aboutsummaryrefslogtreecommitdiff
path: root/gcc/tree-cfgcleanup.c
diff options
context:
space:
mode:
authorMartin Liska <mliska@suse.cz>2022-01-14 16:56:44 +0100
committerMartin Liska <mliska@suse.cz>2022-01-17 22:12:04 +0100
commit5c69acb32329d49e58c26fa41ae74229a52b9106 (patch)
treeddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/tree-cfgcleanup.c
parent490e23032baaece71f2ec09fa1805064b150fbc2 (diff)
downloadgcc-5c69acb32329d49e58c26fa41ae74229a52b9106.zip
gcc-5c69acb32329d49e58c26fa41ae74229a52b9106.tar.gz
gcc-5c69acb32329d49e58c26fa41ae74229a52b9106.tar.bz2
Rename .c files to .cc files.
gcc/ada/ChangeLog: * adadecode.c: Moved to... * adadecode.cc: ...here. * affinity.c: Moved to... * affinity.cc: ...here. * argv-lynxos178-raven-cert.c: Moved to... * argv-lynxos178-raven-cert.cc: ...here. * argv.c: Moved to... * argv.cc: ...here. * aux-io.c: Moved to... * aux-io.cc: ...here. * cio.c: Moved to... * cio.cc: ...here. * cstreams.c: Moved to... * cstreams.cc: ...here. * env.c: Moved to... * env.cc: ...here. * exit.c: Moved to... * exit.cc: ...here. * expect.c: Moved to... * expect.cc: ...here. * final.c: Moved to... * final.cc: ...here. * gcc-interface/cuintp.c: Moved to... * gcc-interface/cuintp.cc: ...here. * gcc-interface/decl.c: Moved to... * gcc-interface/decl.cc: ...here. * gcc-interface/misc.c: Moved to... * gcc-interface/misc.cc: ...here. * gcc-interface/targtyps.c: Moved to... * gcc-interface/targtyps.cc: ...here. * gcc-interface/trans.c: Moved to... * gcc-interface/trans.cc: ...here. * gcc-interface/utils.c: Moved to... * gcc-interface/utils.cc: ...here. * gcc-interface/utils2.c: Moved to... * gcc-interface/utils2.cc: ...here. * init.c: Moved to... * init.cc: ...here. * initialize.c: Moved to... * initialize.cc: ...here. * libgnarl/thread.c: Moved to... * libgnarl/thread.cc: ...here. * link.c: Moved to... * link.cc: ...here. * locales.c: Moved to... * locales.cc: ...here. * mkdir.c: Moved to... * mkdir.cc: ...here. * raise.c: Moved to... * raise.cc: ...here. * rtfinal.c: Moved to... * rtfinal.cc: ...here. * rtinit.c: Moved to... * rtinit.cc: ...here. * seh_init.c: Moved to... * seh_init.cc: ...here. * sigtramp-armdroid.c: Moved to... * sigtramp-armdroid.cc: ...here. * sigtramp-ios.c: Moved to... * sigtramp-ios.cc: ...here. * sigtramp-qnx.c: Moved to... * sigtramp-qnx.cc: ...here. * sigtramp-vxworks.c: Moved to... * sigtramp-vxworks.cc: ...here. * socket.c: Moved to... * socket.cc: ...here. * tracebak.c: Moved to... * tracebak.cc: ...here. * version.c: Moved to... * version.cc: ...here. * vx_stack_info.c: Moved to... * vx_stack_info.cc: ...here. gcc/ChangeLog: * adjust-alignment.c: Moved to... * adjust-alignment.cc: ...here. * alias.c: Moved to... * alias.cc: ...here. * alloc-pool.c: Moved to... * alloc-pool.cc: ...here. * asan.c: Moved to... * asan.cc: ...here. * attribs.c: Moved to... * attribs.cc: ...here. * auto-inc-dec.c: Moved to... * auto-inc-dec.cc: ...here. * auto-profile.c: Moved to... * auto-profile.cc: ...here. * bb-reorder.c: Moved to... * bb-reorder.cc: ...here. * bitmap.c: Moved to... * bitmap.cc: ...here. * btfout.c: Moved to... * btfout.cc: ...here. * builtins.c: Moved to... * builtins.cc: ...here. * caller-save.c: Moved to... * caller-save.cc: ...here. * calls.c: Moved to... * calls.cc: ...here. * ccmp.c: Moved to... * ccmp.cc: ...here. * cfg.c: Moved to... * cfg.cc: ...here. * cfganal.c: Moved to... * cfganal.cc: ...here. * cfgbuild.c: Moved to... * cfgbuild.cc: ...here. * cfgcleanup.c: Moved to... * cfgcleanup.cc: ...here. * cfgexpand.c: Moved to... * cfgexpand.cc: ...here. * cfghooks.c: Moved to... * cfghooks.cc: ...here. * cfgloop.c: Moved to... * cfgloop.cc: ...here. * cfgloopanal.c: Moved to... * cfgloopanal.cc: ...here. * cfgloopmanip.c: Moved to... * cfgloopmanip.cc: ...here. * cfgrtl.c: Moved to... * cfgrtl.cc: ...here. * cgraph.c: Moved to... * cgraph.cc: ...here. * cgraphbuild.c: Moved to... * cgraphbuild.cc: ...here. * cgraphclones.c: Moved to... * cgraphclones.cc: ...here. * cgraphunit.c: Moved to... * cgraphunit.cc: ...here. * collect-utils.c: Moved to... * collect-utils.cc: ...here. * collect2-aix.c: Moved to... * collect2-aix.cc: ...here. * collect2.c: Moved to... * collect2.cc: ...here. * combine-stack-adj.c: Moved to... * combine-stack-adj.cc: ...here. * combine.c: Moved to... * combine.cc: ...here. * common/common-targhooks.c: Moved to... * common/common-targhooks.cc: ...here. * common/config/aarch64/aarch64-common.c: Moved to... * common/config/aarch64/aarch64-common.cc: ...here. * common/config/alpha/alpha-common.c: Moved to... * common/config/alpha/alpha-common.cc: ...here. * common/config/arc/arc-common.c: Moved to... * common/config/arc/arc-common.cc: ...here. * common/config/arm/arm-common.c: Moved to... * common/config/arm/arm-common.cc: ...here. * common/config/avr/avr-common.c: Moved to... * common/config/avr/avr-common.cc: ...here. * common/config/bfin/bfin-common.c: Moved to... * common/config/bfin/bfin-common.cc: ...here. * common/config/bpf/bpf-common.c: Moved to... * common/config/bpf/bpf-common.cc: ...here. * common/config/c6x/c6x-common.c: Moved to... * common/config/c6x/c6x-common.cc: ...here. * common/config/cr16/cr16-common.c: Moved to... * common/config/cr16/cr16-common.cc: ...here. * common/config/cris/cris-common.c: Moved to... * common/config/cris/cris-common.cc: ...here. * common/config/csky/csky-common.c: Moved to... * common/config/csky/csky-common.cc: ...here. * common/config/default-common.c: Moved to... * common/config/default-common.cc: ...here. * common/config/epiphany/epiphany-common.c: Moved to... * common/config/epiphany/epiphany-common.cc: ...here. * common/config/fr30/fr30-common.c: Moved to... * common/config/fr30/fr30-common.cc: ...here. * common/config/frv/frv-common.c: Moved to... * common/config/frv/frv-common.cc: ...here. * common/config/gcn/gcn-common.c: Moved to... * common/config/gcn/gcn-common.cc: ...here. * common/config/h8300/h8300-common.c: Moved to... * common/config/h8300/h8300-common.cc: ...here. * common/config/i386/i386-common.c: Moved to... * common/config/i386/i386-common.cc: ...here. * common/config/ia64/ia64-common.c: Moved to... * common/config/ia64/ia64-common.cc: ...here. * common/config/iq2000/iq2000-common.c: Moved to... * common/config/iq2000/iq2000-common.cc: ...here. * common/config/lm32/lm32-common.c: Moved to... * common/config/lm32/lm32-common.cc: ...here. * common/config/m32r/m32r-common.c: Moved to... * common/config/m32r/m32r-common.cc: ...here. * common/config/m68k/m68k-common.c: Moved to... * common/config/m68k/m68k-common.cc: ...here. * common/config/mcore/mcore-common.c: Moved to... * common/config/mcore/mcore-common.cc: ...here. * common/config/microblaze/microblaze-common.c: Moved to... * common/config/microblaze/microblaze-common.cc: ...here. * common/config/mips/mips-common.c: Moved to... * common/config/mips/mips-common.cc: ...here. * common/config/mmix/mmix-common.c: Moved to... * common/config/mmix/mmix-common.cc: ...here. * common/config/mn10300/mn10300-common.c: Moved to... * common/config/mn10300/mn10300-common.cc: ...here. * common/config/msp430/msp430-common.c: Moved to... * common/config/msp430/msp430-common.cc: ...here. * common/config/nds32/nds32-common.c: Moved to... * common/config/nds32/nds32-common.cc: ...here. * common/config/nios2/nios2-common.c: Moved to... * common/config/nios2/nios2-common.cc: ...here. * common/config/nvptx/nvptx-common.c: Moved to... * common/config/nvptx/nvptx-common.cc: ...here. * common/config/or1k/or1k-common.c: Moved to... * common/config/or1k/or1k-common.cc: ...here. * common/config/pa/pa-common.c: Moved to... * common/config/pa/pa-common.cc: ...here. * common/config/pdp11/pdp11-common.c: Moved to... * common/config/pdp11/pdp11-common.cc: ...here. * common/config/pru/pru-common.c: Moved to... * common/config/pru/pru-common.cc: ...here. * common/config/riscv/riscv-common.c: Moved to... * common/config/riscv/riscv-common.cc: ...here. * common/config/rs6000/rs6000-common.c: Moved to... * common/config/rs6000/rs6000-common.cc: ...here. * common/config/rx/rx-common.c: Moved to... * common/config/rx/rx-common.cc: ...here. * common/config/s390/s390-common.c: Moved to... * common/config/s390/s390-common.cc: ...here. * common/config/sh/sh-common.c: Moved to... * common/config/sh/sh-common.cc: ...here. * common/config/sparc/sparc-common.c: Moved to... * common/config/sparc/sparc-common.cc: ...here. * common/config/tilegx/tilegx-common.c: Moved to... * common/config/tilegx/tilegx-common.cc: ...here. * common/config/tilepro/tilepro-common.c: Moved to... * common/config/tilepro/tilepro-common.cc: ...here. * common/config/v850/v850-common.c: Moved to... * common/config/v850/v850-common.cc: ...here. * common/config/vax/vax-common.c: Moved to... * common/config/vax/vax-common.cc: ...here. * common/config/visium/visium-common.c: Moved to... * common/config/visium/visium-common.cc: ...here. * common/config/xstormy16/xstormy16-common.c: Moved to... * common/config/xstormy16/xstormy16-common.cc: ...here. * common/config/xtensa/xtensa-common.c: Moved to... * common/config/xtensa/xtensa-common.cc: ...here. * compare-elim.c: Moved to... * compare-elim.cc: ...here. * config/aarch64/aarch64-bti-insert.c: Moved to... * config/aarch64/aarch64-bti-insert.cc: ...here. * config/aarch64/aarch64-builtins.c: Moved to... * config/aarch64/aarch64-builtins.cc: ...here. * config/aarch64/aarch64-c.c: Moved to... * config/aarch64/aarch64-c.cc: ...here. * config/aarch64/aarch64-d.c: Moved to... * config/aarch64/aarch64-d.cc: ...here. * config/aarch64/aarch64.c: Moved to... * config/aarch64/aarch64.cc: ...here. * config/aarch64/cortex-a57-fma-steering.c: Moved to... * config/aarch64/cortex-a57-fma-steering.cc: ...here. * config/aarch64/driver-aarch64.c: Moved to... * config/aarch64/driver-aarch64.cc: ...here. * config/aarch64/falkor-tag-collision-avoidance.c: Moved to... * config/aarch64/falkor-tag-collision-avoidance.cc: ...here. * config/aarch64/host-aarch64-darwin.c: Moved to... * config/aarch64/host-aarch64-darwin.cc: ...here. * config/alpha/alpha.c: Moved to... * config/alpha/alpha.cc: ...here. * config/alpha/driver-alpha.c: Moved to... * config/alpha/driver-alpha.cc: ...here. * config/arc/arc-c.c: Moved to... * config/arc/arc-c.cc: ...here. * config/arc/arc.c: Moved to... * config/arc/arc.cc: ...here. * config/arc/driver-arc.c: Moved to... * config/arc/driver-arc.cc: ...here. * config/arm/aarch-common.c: Moved to... * config/arm/aarch-common.cc: ...here. * config/arm/arm-builtins.c: Moved to... * config/arm/arm-builtins.cc: ...here. * config/arm/arm-c.c: Moved to... * config/arm/arm-c.cc: ...here. * config/arm/arm-d.c: Moved to... * config/arm/arm-d.cc: ...here. * config/arm/arm.c: Moved to... * config/arm/arm.cc: ...here. * config/arm/driver-arm.c: Moved to... * config/arm/driver-arm.cc: ...here. * config/avr/avr-c.c: Moved to... * config/avr/avr-c.cc: ...here. * config/avr/avr-devices.c: Moved to... * config/avr/avr-devices.cc: ...here. * config/avr/avr-log.c: Moved to... * config/avr/avr-log.cc: ...here. * config/avr/avr.c: Moved to... * config/avr/avr.cc: ...here. * config/avr/driver-avr.c: Moved to... * config/avr/driver-avr.cc: ...here. * config/avr/gen-avr-mmcu-specs.c: Moved to... * config/avr/gen-avr-mmcu-specs.cc: ...here. * config/avr/gen-avr-mmcu-texi.c: Moved to... * config/avr/gen-avr-mmcu-texi.cc: ...here. * config/bfin/bfin.c: Moved to... * config/bfin/bfin.cc: ...here. * config/bpf/bpf.c: Moved to... * config/bpf/bpf.cc: ...here. * config/bpf/coreout.c: Moved to... * config/bpf/coreout.cc: ...here. * config/c6x/c6x.c: Moved to... * config/c6x/c6x.cc: ...here. * config/cr16/cr16.c: Moved to... * config/cr16/cr16.cc: ...here. * config/cris/cris.c: Moved to... * config/cris/cris.cc: ...here. * config/csky/csky.c: Moved to... * config/csky/csky.cc: ...here. * config/darwin-c.c: Moved to... * config/darwin-c.cc: ...here. * config/darwin-d.c: Moved to... * config/darwin-d.cc: ...here. * config/darwin-driver.c: Moved to... * config/darwin-driver.cc: ...here. * config/darwin-f.c: Moved to... * config/darwin-f.cc: ...here. * config/darwin.c: Moved to... * config/darwin.cc: ...here. * config/default-c.c: Moved to... * config/default-c.cc: ...here. * config/default-d.c: Moved to... * config/default-d.cc: ...here. * config/dragonfly-d.c: Moved to... * config/dragonfly-d.cc: ...here. * config/epiphany/epiphany.c: Moved to... * config/epiphany/epiphany.cc: ...here. * config/epiphany/mode-switch-use.c: Moved to... * config/epiphany/mode-switch-use.cc: ...here. * config/epiphany/resolve-sw-modes.c: Moved to... * config/epiphany/resolve-sw-modes.cc: ...here. * config/fr30/fr30.c: Moved to... * config/fr30/fr30.cc: ...here. * config/freebsd-d.c: Moved to... * config/freebsd-d.cc: ...here. * config/frv/frv.c: Moved to... * config/frv/frv.cc: ...here. * config/ft32/ft32.c: Moved to... * config/ft32/ft32.cc: ...here. * config/gcn/driver-gcn.c: Moved to... * config/gcn/driver-gcn.cc: ...here. * config/gcn/gcn-run.c: Moved to... * config/gcn/gcn-run.cc: ...here. * config/gcn/gcn-tree.c: Moved to... * config/gcn/gcn-tree.cc: ...here. * config/gcn/gcn.c: Moved to... * config/gcn/gcn.cc: ...here. * config/gcn/mkoffload.c: Moved to... * config/gcn/mkoffload.cc: ...here. * config/glibc-c.c: Moved to... * config/glibc-c.cc: ...here. * config/glibc-d.c: Moved to... * config/glibc-d.cc: ...here. * config/h8300/h8300.c: Moved to... * config/h8300/h8300.cc: ...here. * config/host-darwin.c: Moved to... * config/host-darwin.cc: ...here. * config/host-hpux.c: Moved to... * config/host-hpux.cc: ...here. * config/host-linux.c: Moved to... * config/host-linux.cc: ...here. * config/host-netbsd.c: Moved to... * config/host-netbsd.cc: ...here. * config/host-openbsd.c: Moved to... * config/host-openbsd.cc: ...here. * config/host-solaris.c: Moved to... * config/host-solaris.cc: ...here. * config/i386/djgpp.c: Moved to... * config/i386/djgpp.cc: ...here. * config/i386/driver-i386.c: Moved to... * config/i386/driver-i386.cc: ...here. * config/i386/driver-mingw32.c: Moved to... * config/i386/driver-mingw32.cc: ...here. * config/i386/gnu-property.c: Moved to... * config/i386/gnu-property.cc: ...here. * config/i386/host-cygwin.c: Moved to... * config/i386/host-cygwin.cc: ...here. * config/i386/host-i386-darwin.c: Moved to... * config/i386/host-i386-darwin.cc: ...here. * config/i386/host-mingw32.c: Moved to... * config/i386/host-mingw32.cc: ...here. * config/i386/i386-builtins.c: Moved to... * config/i386/i386-builtins.cc: ...here. * config/i386/i386-c.c: Moved to... * config/i386/i386-c.cc: ...here. * config/i386/i386-d.c: Moved to... * config/i386/i386-d.cc: ...here. * config/i386/i386-expand.c: Moved to... * config/i386/i386-expand.cc: ...here. * config/i386/i386-features.c: Moved to... * config/i386/i386-features.cc: ...here. * config/i386/i386-options.c: Moved to... * config/i386/i386-options.cc: ...here. * config/i386/i386.c: Moved to... * config/i386/i386.cc: ...here. * config/i386/intelmic-mkoffload.c: Moved to... * config/i386/intelmic-mkoffload.cc: ...here. * config/i386/msformat-c.c: Moved to... * config/i386/msformat-c.cc: ...here. * config/i386/winnt-cxx.c: Moved to... * config/i386/winnt-cxx.cc: ...here. * config/i386/winnt-d.c: Moved to... * config/i386/winnt-d.cc: ...here. * config/i386/winnt-stubs.c: Moved to... * config/i386/winnt-stubs.cc: ...here. * config/i386/winnt.c: Moved to... * config/i386/winnt.cc: ...here. * config/i386/x86-tune-sched-atom.c: Moved to... * config/i386/x86-tune-sched-atom.cc: ...here. * config/i386/x86-tune-sched-bd.c: Moved to... * config/i386/x86-tune-sched-bd.cc: ...here. * config/i386/x86-tune-sched-core.c: Moved to... * config/i386/x86-tune-sched-core.cc: ...here. * config/i386/x86-tune-sched.c: Moved to... * config/i386/x86-tune-sched.cc: ...here. * config/ia64/ia64-c.c: Moved to... * config/ia64/ia64-c.cc: ...here. * config/ia64/ia64.c: Moved to... * config/ia64/ia64.cc: ...here. * config/iq2000/iq2000.c: Moved to... * config/iq2000/iq2000.cc: ...here. * config/linux.c: Moved to... * config/linux.cc: ...here. * config/lm32/lm32.c: Moved to... * config/lm32/lm32.cc: ...here. * config/m32c/m32c-pragma.c: Moved to... * config/m32c/m32c-pragma.cc: ...here. * config/m32c/m32c.c: Moved to... * config/m32c/m32c.cc: ...here. * config/m32r/m32r.c: Moved to... * config/m32r/m32r.cc: ...here. * config/m68k/m68k.c: Moved to... * config/m68k/m68k.cc: ...here. * config/mcore/mcore.c: Moved to... * config/mcore/mcore.cc: ...here. * config/microblaze/microblaze-c.c: Moved to... * config/microblaze/microblaze-c.cc: ...here. * config/microblaze/microblaze.c: Moved to... * config/microblaze/microblaze.cc: ...here. * config/mips/driver-native.c: Moved to... * config/mips/driver-native.cc: ...here. * config/mips/frame-header-opt.c: Moved to... * config/mips/frame-header-opt.cc: ...here. * config/mips/mips-d.c: Moved to... * config/mips/mips-d.cc: ...here. * config/mips/mips.c: Moved to... * config/mips/mips.cc: ...here. * config/mmix/mmix.c: Moved to... * config/mmix/mmix.cc: ...here. * config/mn10300/mn10300.c: Moved to... * config/mn10300/mn10300.cc: ...here. * config/moxie/moxie.c: Moved to... * config/moxie/moxie.cc: ...here. * config/msp430/driver-msp430.c: Moved to... * config/msp430/driver-msp430.cc: ...here. * config/msp430/msp430-c.c: Moved to... * config/msp430/msp430-c.cc: ...here. * config/msp430/msp430-devices.c: Moved to... * config/msp430/msp430-devices.cc: ...here. * config/msp430/msp430.c: Moved to... * config/msp430/msp430.cc: ...here. * config/nds32/nds32-cost.c: Moved to... * config/nds32/nds32-cost.cc: ...here. * config/nds32/nds32-fp-as-gp.c: Moved to... * config/nds32/nds32-fp-as-gp.cc: ...here. * config/nds32/nds32-intrinsic.c: Moved to... * config/nds32/nds32-intrinsic.cc: ...here. * config/nds32/nds32-isr.c: Moved to... * config/nds32/nds32-isr.cc: ...here. * config/nds32/nds32-md-auxiliary.c: Moved to... * config/nds32/nds32-md-auxiliary.cc: ...here. * config/nds32/nds32-memory-manipulation.c: Moved to... * config/nds32/nds32-memory-manipulation.cc: ...here. * config/nds32/nds32-pipelines-auxiliary.c: Moved to... * config/nds32/nds32-pipelines-auxiliary.cc: ...here. * config/nds32/nds32-predicates.c: Moved to... * config/nds32/nds32-predicates.cc: ...here. * config/nds32/nds32-relax-opt.c: Moved to... * config/nds32/nds32-relax-opt.cc: ...here. * config/nds32/nds32-utils.c: Moved to... * config/nds32/nds32-utils.cc: ...here. * config/nds32/nds32.c: Moved to... * config/nds32/nds32.cc: ...here. * config/netbsd-d.c: Moved to... * config/netbsd-d.cc: ...here. * config/netbsd.c: Moved to... * config/netbsd.cc: ...here. * config/nios2/nios2.c: Moved to... * config/nios2/nios2.cc: ...here. * config/nvptx/mkoffload.c: Moved to... * config/nvptx/mkoffload.cc: ...here. * config/nvptx/nvptx-c.c: Moved to... * config/nvptx/nvptx-c.cc: ...here. * config/nvptx/nvptx.c: Moved to... * config/nvptx/nvptx.cc: ...here. * config/openbsd-d.c: Moved to... * config/openbsd-d.cc: ...here. * config/or1k/or1k.c: Moved to... * config/or1k/or1k.cc: ...here. * config/pa/pa-d.c: Moved to... * config/pa/pa-d.cc: ...here. * config/pa/pa.c: Moved to... * config/pa/pa.cc: ...here. * config/pdp11/pdp11.c: Moved to... * config/pdp11/pdp11.cc: ...here. * config/pru/pru-passes.c: Moved to... * config/pru/pru-passes.cc: ...here. * config/pru/pru-pragma.c: Moved to... * config/pru/pru-pragma.cc: ...here. * config/pru/pru.c: Moved to... * config/pru/pru.cc: ...here. * config/riscv/riscv-builtins.c: Moved to... * config/riscv/riscv-builtins.cc: ...here. * config/riscv/riscv-c.c: Moved to... * config/riscv/riscv-c.cc: ...here. * config/riscv/riscv-d.c: Moved to... * config/riscv/riscv-d.cc: ...here. * config/riscv/riscv-shorten-memrefs.c: Moved to... * config/riscv/riscv-shorten-memrefs.cc: ...here. * config/riscv/riscv-sr.c: Moved to... * config/riscv/riscv-sr.cc: ...here. * config/riscv/riscv.c: Moved to... * config/riscv/riscv.cc: ...here. * config/rl78/rl78-c.c: Moved to... * config/rl78/rl78-c.cc: ...here. * config/rl78/rl78.c: Moved to... * config/rl78/rl78.cc: ...here. * config/rs6000/driver-rs6000.c: Moved to... * config/rs6000/driver-rs6000.cc: ...here. * config/rs6000/host-darwin.c: Moved to... * config/rs6000/host-darwin.cc: ...here. * config/rs6000/host-ppc64-darwin.c: Moved to... * config/rs6000/host-ppc64-darwin.cc: ...here. * config/rs6000/rbtree.c: Moved to... * config/rs6000/rbtree.cc: ...here. * config/rs6000/rs6000-c.c: Moved to... * config/rs6000/rs6000-c.cc: ...here. * config/rs6000/rs6000-call.c: Moved to... * config/rs6000/rs6000-call.cc: ...here. * config/rs6000/rs6000-d.c: Moved to... * config/rs6000/rs6000-d.cc: ...here. * config/rs6000/rs6000-gen-builtins.c: Moved to... * config/rs6000/rs6000-gen-builtins.cc: ...here. * config/rs6000/rs6000-linux.c: Moved to... * config/rs6000/rs6000-linux.cc: ...here. * config/rs6000/rs6000-logue.c: Moved to... * config/rs6000/rs6000-logue.cc: ...here. * config/rs6000/rs6000-p8swap.c: Moved to... * config/rs6000/rs6000-p8swap.cc: ...here. * config/rs6000/rs6000-pcrel-opt.c: Moved to... * config/rs6000/rs6000-pcrel-opt.cc: ...here. * config/rs6000/rs6000-string.c: Moved to... * config/rs6000/rs6000-string.cc: ...here. * config/rs6000/rs6000.c: Moved to... * config/rs6000/rs6000.cc: ...here. * config/rx/rx.c: Moved to... * config/rx/rx.cc: ...here. * config/s390/driver-native.c: Moved to... * config/s390/driver-native.cc: ...here. * config/s390/s390-c.c: Moved to... * config/s390/s390-c.cc: ...here. * config/s390/s390-d.c: Moved to... * config/s390/s390-d.cc: ...here. * config/s390/s390.c: Moved to... * config/s390/s390.cc: ...here. * config/sh/divtab-sh4-300.c: Moved to... * config/sh/divtab-sh4-300.cc: ...here. * config/sh/divtab-sh4.c: Moved to... * config/sh/divtab-sh4.cc: ...here. * config/sh/divtab.c: Moved to... * config/sh/divtab.cc: ...here. * config/sh/sh-c.c: Moved to... * config/sh/sh-c.cc: ...here. * config/sh/sh.c: Moved to... * config/sh/sh.cc: ...here. * config/sol2-c.c: Moved to... * config/sol2-c.cc: ...here. * config/sol2-cxx.c: Moved to... * config/sol2-cxx.cc: ...here. * config/sol2-d.c: Moved to... * config/sol2-d.cc: ...here. * config/sol2-stubs.c: Moved to... * config/sol2-stubs.cc: ...here. * config/sol2.c: Moved to... * config/sol2.cc: ...here. * config/sparc/driver-sparc.c: Moved to... * config/sparc/driver-sparc.cc: ...here. * config/sparc/sparc-c.c: Moved to... * config/sparc/sparc-c.cc: ...here. * config/sparc/sparc-d.c: Moved to... * config/sparc/sparc-d.cc: ...here. * config/sparc/sparc.c: Moved to... * config/sparc/sparc.cc: ...here. * config/stormy16/stormy16.c: Moved to... * config/stormy16/stormy16.cc: ...here. * config/tilegx/mul-tables.c: Moved to... * config/tilegx/mul-tables.cc: ...here. * config/tilegx/tilegx-c.c: Moved to... * config/tilegx/tilegx-c.cc: ...here. * config/tilegx/tilegx.c: Moved to... * config/tilegx/tilegx.cc: ...here. * config/tilepro/mul-tables.c: Moved to... * config/tilepro/mul-tables.cc: ...here. * config/tilepro/tilepro-c.c: Moved to... * config/tilepro/tilepro-c.cc: ...here. * config/tilepro/tilepro.c: Moved to... * config/tilepro/tilepro.cc: ...here. * config/v850/v850-c.c: Moved to... * config/v850/v850-c.cc: ...here. * config/v850/v850.c: Moved to... * config/v850/v850.cc: ...here. * config/vax/vax.c: Moved to... * config/vax/vax.cc: ...here. * config/visium/visium.c: Moved to... * config/visium/visium.cc: ...here. * config/vms/vms-c.c: Moved to... * config/vms/vms-c.cc: ...here. * config/vms/vms-f.c: Moved to... * config/vms/vms-f.cc: ...here. * config/vms/vms.c: Moved to... * config/vms/vms.cc: ...here. * config/vxworks-c.c: Moved to... * config/vxworks-c.cc: ...here. * config/vxworks.c: Moved to... * config/vxworks.cc: ...here. * config/winnt-c.c: Moved to... * config/winnt-c.cc: ...here. * config/xtensa/xtensa.c: Moved to... * config/xtensa/xtensa.cc: ...here. * context.c: Moved to... * context.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * coverage.c: Moved to... * coverage.cc: ...here. * cppbuiltin.c: Moved to... * cppbuiltin.cc: ...here. * cppdefault.c: Moved to... * cppdefault.cc: ...here. * cprop.c: Moved to... * cprop.cc: ...here. * cse.c: Moved to... * cse.cc: ...here. * cselib.c: Moved to... * cselib.cc: ...here. * ctfc.c: Moved to... * ctfc.cc: ...here. * ctfout.c: Moved to... * ctfout.cc: ...here. * data-streamer-in.c: Moved to... * data-streamer-in.cc: ...here. * data-streamer-out.c: Moved to... * data-streamer-out.cc: ...here. * data-streamer.c: Moved to... * data-streamer.cc: ...here. * dbgcnt.c: Moved to... * dbgcnt.cc: ...here. * dbxout.c: Moved to... * dbxout.cc: ...here. * dce.c: Moved to... * dce.cc: ...here. * ddg.c: Moved to... * ddg.cc: ...here. * debug.c: Moved to... * debug.cc: ...here. * df-core.c: Moved to... * df-core.cc: ...here. * df-problems.c: Moved to... * df-problems.cc: ...here. * df-scan.c: Moved to... * df-scan.cc: ...here. * dfp.c: Moved to... * dfp.cc: ...here. * diagnostic-color.c: Moved to... * diagnostic-color.cc: ...here. * diagnostic-show-locus.c: Moved to... * diagnostic-show-locus.cc: ...here. * diagnostic-spec.c: Moved to... * diagnostic-spec.cc: ...here. * diagnostic.c: Moved to... * diagnostic.cc: ...here. * dojump.c: Moved to... * dojump.cc: ...here. * dominance.c: Moved to... * dominance.cc: ...here. * domwalk.c: Moved to... * domwalk.cc: ...here. * double-int.c: Moved to... * double-int.cc: ...here. * dse.c: Moved to... * dse.cc: ...here. * dumpfile.c: Moved to... * dumpfile.cc: ...here. * dwarf2asm.c: Moved to... * dwarf2asm.cc: ...here. * dwarf2cfi.c: Moved to... * dwarf2cfi.cc: ...here. * dwarf2ctf.c: Moved to... * dwarf2ctf.cc: ...here. * dwarf2out.c: Moved to... * dwarf2out.cc: ...here. * early-remat.c: Moved to... * early-remat.cc: ...here. * edit-context.c: Moved to... * edit-context.cc: ...here. * emit-rtl.c: Moved to... * emit-rtl.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * et-forest.c: Moved to... * et-forest.cc: ...here. * except.c: Moved to... * except.cc: ...here. * explow.c: Moved to... * explow.cc: ...here. * expmed.c: Moved to... * expmed.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * fibonacci_heap.c: Moved to... * fibonacci_heap.cc: ...here. * file-find.c: Moved to... * file-find.cc: ...here. * file-prefix-map.c: Moved to... * file-prefix-map.cc: ...here. * final.c: Moved to... * final.cc: ...here. * fixed-value.c: Moved to... * fixed-value.cc: ...here. * fold-const-call.c: Moved to... * fold-const-call.cc: ...here. * fold-const.c: Moved to... * fold-const.cc: ...here. * fp-test.c: Moved to... * fp-test.cc: ...here. * function-tests.c: Moved to... * function-tests.cc: ...here. * function.c: Moved to... * function.cc: ...here. * fwprop.c: Moved to... * fwprop.cc: ...here. * gcc-ar.c: Moved to... * gcc-ar.cc: ...here. * gcc-main.c: Moved to... * gcc-main.cc: ...here. * gcc-rich-location.c: Moved to... * gcc-rich-location.cc: ...here. * gcc.c: Moved to... * gcc.cc: ...here. * gcov-dump.c: Moved to... * gcov-dump.cc: ...here. * gcov-io.c: Moved to... * gcov-io.cc: ...here. * gcov-tool.c: Moved to... * gcov-tool.cc: ...here. * gcov.c: Moved to... * gcov.cc: ...here. * gcse-common.c: Moved to... * gcse-common.cc: ...here. * gcse.c: Moved to... * gcse.cc: ...here. * genattr-common.c: Moved to... * genattr-common.cc: ...here. * genattr.c: Moved to... * genattr.cc: ...here. * genattrtab.c: Moved to... * genattrtab.cc: ...here. * genautomata.c: Moved to... * genautomata.cc: ...here. * gencfn-macros.c: Moved to... * gencfn-macros.cc: ...here. * gencheck.c: Moved to... * gencheck.cc: ...here. * genchecksum.c: Moved to... * genchecksum.cc: ...here. * gencodes.c: Moved to... * gencodes.cc: ...here. * genconditions.c: Moved to... * genconditions.cc: ...here. * genconfig.c: Moved to... * genconfig.cc: ...here. * genconstants.c: Moved to... * genconstants.cc: ...here. * genemit.c: Moved to... * genemit.cc: ...here. * genenums.c: Moved to... * genenums.cc: ...here. * generic-match-head.c: Moved to... * generic-match-head.cc: ...here. * genextract.c: Moved to... * genextract.cc: ...here. * genflags.c: Moved to... * genflags.cc: ...here. * gengenrtl.c: Moved to... * gengenrtl.cc: ...here. * gengtype-parse.c: Moved to... * gengtype-parse.cc: ...here. * gengtype-state.c: Moved to... * gengtype-state.cc: ...here. * gengtype.c: Moved to... * gengtype.cc: ...here. * genhooks.c: Moved to... * genhooks.cc: ...here. * genmatch.c: Moved to... * genmatch.cc: ...here. * genmddeps.c: Moved to... * genmddeps.cc: ...here. * genmddump.c: Moved to... * genmddump.cc: ...here. * genmodes.c: Moved to... * genmodes.cc: ...here. * genopinit.c: Moved to... * genopinit.cc: ...here. * genoutput.c: Moved to... * genoutput.cc: ...here. * genpeep.c: Moved to... * genpeep.cc: ...here. * genpreds.c: Moved to... * genpreds.cc: ...here. * genrecog.c: Moved to... * genrecog.cc: ...here. * gensupport.c: Moved to... * gensupport.cc: ...here. * gentarget-def.c: Moved to... * gentarget-def.cc: ...here. * genversion.c: Moved to... * genversion.cc: ...here. * ggc-common.c: Moved to... * ggc-common.cc: ...here. * ggc-none.c: Moved to... * ggc-none.cc: ...here. * ggc-page.c: Moved to... * ggc-page.cc: ...here. * ggc-tests.c: Moved to... * ggc-tests.cc: ...here. * gimple-builder.c: Moved to... * gimple-builder.cc: ...here. * gimple-expr.c: Moved to... * gimple-expr.cc: ...here. * gimple-fold.c: Moved to... * gimple-fold.cc: ...here. * gimple-iterator.c: Moved to... * gimple-iterator.cc: ...here. * gimple-laddress.c: Moved to... * gimple-laddress.cc: ...here. * gimple-loop-jam.c: Moved to... * gimple-loop-jam.cc: ...here. * gimple-low.c: Moved to... * gimple-low.cc: ...here. * gimple-match-head.c: Moved to... * gimple-match-head.cc: ...here. * gimple-pretty-print.c: Moved to... * gimple-pretty-print.cc: ...here. * gimple-ssa-backprop.c: Moved to... * gimple-ssa-backprop.cc: ...here. * gimple-ssa-evrp-analyze.c: Moved to... * gimple-ssa-evrp-analyze.cc: ...here. * gimple-ssa-evrp.c: Moved to... * gimple-ssa-evrp.cc: ...here. * gimple-ssa-isolate-paths.c: Moved to... * gimple-ssa-isolate-paths.cc: ...here. * gimple-ssa-nonnull-compare.c: Moved to... * gimple-ssa-nonnull-compare.cc: ...here. * gimple-ssa-split-paths.c: Moved to... * gimple-ssa-split-paths.cc: ...here. * gimple-ssa-sprintf.c: Moved to... * gimple-ssa-sprintf.cc: ...here. * gimple-ssa-store-merging.c: Moved to... * gimple-ssa-store-merging.cc: ...here. * gimple-ssa-strength-reduction.c: Moved to... * gimple-ssa-strength-reduction.cc: ...here. * gimple-ssa-warn-alloca.c: Moved to... * gimple-ssa-warn-alloca.cc: ...here. * gimple-ssa-warn-restrict.c: Moved to... * gimple-ssa-warn-restrict.cc: ...here. * gimple-streamer-in.c: Moved to... * gimple-streamer-in.cc: ...here. * gimple-streamer-out.c: Moved to... * gimple-streamer-out.cc: ...here. * gimple-walk.c: Moved to... * gimple-walk.cc: ...here. * gimple-warn-recursion.c: Moved to... * gimple-warn-recursion.cc: ...here. * gimple.c: Moved to... * gimple.cc: ...here. * gimplify-me.c: Moved to... * gimplify-me.cc: ...here. * gimplify.c: Moved to... * gimplify.cc: ...here. * godump.c: Moved to... * godump.cc: ...here. * graph.c: Moved to... * graph.cc: ...here. * graphds.c: Moved to... * graphds.cc: ...here. * graphite-dependences.c: Moved to... * graphite-dependences.cc: ...here. * graphite-isl-ast-to-gimple.c: Moved to... * graphite-isl-ast-to-gimple.cc: ...here. * graphite-optimize-isl.c: Moved to... * graphite-optimize-isl.cc: ...here. * graphite-poly.c: Moved to... * graphite-poly.cc: ...here. * graphite-scop-detection.c: Moved to... * graphite-scop-detection.cc: ...here. * graphite-sese-to-poly.c: Moved to... * graphite-sese-to-poly.cc: ...here. * graphite.c: Moved to... * graphite.cc: ...here. * haifa-sched.c: Moved to... * haifa-sched.cc: ...here. * hash-map-tests.c: Moved to... * hash-map-tests.cc: ...here. * hash-set-tests.c: Moved to... * hash-set-tests.cc: ...here. * hash-table.c: Moved to... * hash-table.cc: ...here. * hooks.c: Moved to... * hooks.cc: ...here. * host-default.c: Moved to... * host-default.cc: ...here. * hw-doloop.c: Moved to... * hw-doloop.cc: ...here. * hwint.c: Moved to... * hwint.cc: ...here. * ifcvt.c: Moved to... * ifcvt.cc: ...here. * inchash.c: Moved to... * inchash.cc: ...here. * incpath.c: Moved to... * incpath.cc: ...here. * init-regs.c: Moved to... * init-regs.cc: ...here. * input.c: Moved to... * input.cc: ...here. * internal-fn.c: Moved to... * internal-fn.cc: ...here. * intl.c: Moved to... * intl.cc: ...here. * ipa-comdats.c: Moved to... * ipa-comdats.cc: ...here. * ipa-cp.c: Moved to... * ipa-cp.cc: ...here. * ipa-devirt.c: Moved to... * ipa-devirt.cc: ...here. * ipa-fnsummary.c: Moved to... * ipa-fnsummary.cc: ...here. * ipa-icf-gimple.c: Moved to... * ipa-icf-gimple.cc: ...here. * ipa-icf.c: Moved to... * ipa-icf.cc: ...here. * ipa-inline-analysis.c: Moved to... * ipa-inline-analysis.cc: ...here. * ipa-inline-transform.c: Moved to... * ipa-inline-transform.cc: ...here. * ipa-inline.c: Moved to... * ipa-inline.cc: ...here. * ipa-modref-tree.c: Moved to... * ipa-modref-tree.cc: ...here. * ipa-modref.c: Moved to... * ipa-modref.cc: ...here. * ipa-param-manipulation.c: Moved to... * ipa-param-manipulation.cc: ...here. * ipa-polymorphic-call.c: Moved to... * ipa-polymorphic-call.cc: ...here. * ipa-predicate.c: Moved to... * ipa-predicate.cc: ...here. * ipa-profile.c: Moved to... * ipa-profile.cc: ...here. * ipa-prop.c: Moved to... * ipa-prop.cc: ...here. * ipa-pure-const.c: Moved to... * ipa-pure-const.cc: ...here. * ipa-ref.c: Moved to... * ipa-ref.cc: ...here. * ipa-reference.c: Moved to... * ipa-reference.cc: ...here. * ipa-split.c: Moved to... * ipa-split.cc: ...here. * ipa-sra.c: Moved to... * ipa-sra.cc: ...here. * ipa-utils.c: Moved to... * ipa-utils.cc: ...here. * ipa-visibility.c: Moved to... * ipa-visibility.cc: ...here. * ipa.c: Moved to... * ipa.cc: ...here. * ira-build.c: Moved to... * ira-build.cc: ...here. * ira-color.c: Moved to... * ira-color.cc: ...here. * ira-conflicts.c: Moved to... * ira-conflicts.cc: ...here. * ira-costs.c: Moved to... * ira-costs.cc: ...here. * ira-emit.c: Moved to... * ira-emit.cc: ...here. * ira-lives.c: Moved to... * ira-lives.cc: ...here. * ira.c: Moved to... * ira.cc: ...here. * jump.c: Moved to... * jump.cc: ...here. * langhooks.c: Moved to... * langhooks.cc: ...here. * lcm.c: Moved to... * lcm.cc: ...here. * lists.c: Moved to... * lists.cc: ...here. * loop-doloop.c: Moved to... * loop-doloop.cc: ...here. * loop-init.c: Moved to... * loop-init.cc: ...here. * loop-invariant.c: Moved to... * loop-invariant.cc: ...here. * loop-iv.c: Moved to... * loop-iv.cc: ...here. * loop-unroll.c: Moved to... * loop-unroll.cc: ...here. * lower-subreg.c: Moved to... * lower-subreg.cc: ...here. * lra-assigns.c: Moved to... * lra-assigns.cc: ...here. * lra-coalesce.c: Moved to... * lra-coalesce.cc: ...here. * lra-constraints.c: Moved to... * lra-constraints.cc: ...here. * lra-eliminations.c: Moved to... * lra-eliminations.cc: ...here. * lra-lives.c: Moved to... * lra-lives.cc: ...here. * lra-remat.c: Moved to... * lra-remat.cc: ...here. * lra-spills.c: Moved to... * lra-spills.cc: ...here. * lra.c: Moved to... * lra.cc: ...here. * lto-cgraph.c: Moved to... * lto-cgraph.cc: ...here. * lto-compress.c: Moved to... * lto-compress.cc: ...here. * lto-opts.c: Moved to... * lto-opts.cc: ...here. * lto-section-in.c: Moved to... * lto-section-in.cc: ...here. * lto-section-out.c: Moved to... * lto-section-out.cc: ...here. * lto-streamer-in.c: Moved to... * lto-streamer-in.cc: ...here. * lto-streamer-out.c: Moved to... * lto-streamer-out.cc: ...here. * lto-streamer.c: Moved to... * lto-streamer.cc: ...here. * lto-wrapper.c: Moved to... * lto-wrapper.cc: ...here. * main.c: Moved to... * main.cc: ...here. * mcf.c: Moved to... * mcf.cc: ...here. * mode-switching.c: Moved to... * mode-switching.cc: ...here. * modulo-sched.c: Moved to... * modulo-sched.cc: ...here. * multiple_target.c: Moved to... * multiple_target.cc: ...here. * omp-expand.c: Moved to... * omp-expand.cc: ...here. * omp-general.c: Moved to... * omp-general.cc: ...here. * omp-low.c: Moved to... * omp-low.cc: ...here. * omp-offload.c: Moved to... * omp-offload.cc: ...here. * omp-simd-clone.c: Moved to... * omp-simd-clone.cc: ...here. * opt-suggestions.c: Moved to... * opt-suggestions.cc: ...here. * optabs-libfuncs.c: Moved to... * optabs-libfuncs.cc: ...here. * optabs-query.c: Moved to... * optabs-query.cc: ...here. * optabs-tree.c: Moved to... * optabs-tree.cc: ...here. * optabs.c: Moved to... * optabs.cc: ...here. * opts-common.c: Moved to... * opts-common.cc: ...here. * opts-global.c: Moved to... * opts-global.cc: ...here. * opts.c: Moved to... * opts.cc: ...here. * passes.c: Moved to... * passes.cc: ...here. * plugin.c: Moved to... * plugin.cc: ...here. * postreload-gcse.c: Moved to... * postreload-gcse.cc: ...here. * postreload.c: Moved to... * postreload.cc: ...here. * predict.c: Moved to... * predict.cc: ...here. * prefix.c: Moved to... * prefix.cc: ...here. * pretty-print.c: Moved to... * pretty-print.cc: ...here. * print-rtl-function.c: Moved to... * print-rtl-function.cc: ...here. * print-rtl.c: Moved to... * print-rtl.cc: ...here. * print-tree.c: Moved to... * print-tree.cc: ...here. * profile-count.c: Moved to... * profile-count.cc: ...here. * profile.c: Moved to... * profile.cc: ...here. * read-md.c: Moved to... * read-md.cc: ...here. * read-rtl-function.c: Moved to... * read-rtl-function.cc: ...here. * read-rtl.c: Moved to... * read-rtl.cc: ...here. * real.c: Moved to... * real.cc: ...here. * realmpfr.c: Moved to... * realmpfr.cc: ...here. * recog.c: Moved to... * recog.cc: ...here. * ree.c: Moved to... * ree.cc: ...here. * reg-stack.c: Moved to... * reg-stack.cc: ...here. * regcprop.c: Moved to... * regcprop.cc: ...here. * reginfo.c: Moved to... * reginfo.cc: ...here. * regrename.c: Moved to... * regrename.cc: ...here. * regstat.c: Moved to... * regstat.cc: ...here. * reload.c: Moved to... * reload.cc: ...here. * reload1.c: Moved to... * reload1.cc: ...here. * reorg.c: Moved to... * reorg.cc: ...here. * resource.c: Moved to... * resource.cc: ...here. * rtl-error.c: Moved to... * rtl-error.cc: ...here. * rtl-tests.c: Moved to... * rtl-tests.cc: ...here. * rtl.c: Moved to... * rtl.cc: ...here. * rtlanal.c: Moved to... * rtlanal.cc: ...here. * rtlhash.c: Moved to... * rtlhash.cc: ...here. * rtlhooks.c: Moved to... * rtlhooks.cc: ...here. * rtx-vector-builder.c: Moved to... * rtx-vector-builder.cc: ...here. * run-rtl-passes.c: Moved to... * run-rtl-passes.cc: ...here. * sancov.c: Moved to... * sancov.cc: ...here. * sanopt.c: Moved to... * sanopt.cc: ...here. * sbitmap.c: Moved to... * sbitmap.cc: ...here. * sched-deps.c: Moved to... * sched-deps.cc: ...here. * sched-ebb.c: Moved to... * sched-ebb.cc: ...here. * sched-rgn.c: Moved to... * sched-rgn.cc: ...here. * sel-sched-dump.c: Moved to... * sel-sched-dump.cc: ...here. * sel-sched-ir.c: Moved to... * sel-sched-ir.cc: ...here. * sel-sched.c: Moved to... * sel-sched.cc: ...here. * selftest-diagnostic.c: Moved to... * selftest-diagnostic.cc: ...here. * selftest-rtl.c: Moved to... * selftest-rtl.cc: ...here. * selftest-run-tests.c: Moved to... * selftest-run-tests.cc: ...here. * selftest.c: Moved to... * selftest.cc: ...here. * sese.c: Moved to... * sese.cc: ...here. * shrink-wrap.c: Moved to... * shrink-wrap.cc: ...here. * simplify-rtx.c: Moved to... * simplify-rtx.cc: ...here. * sparseset.c: Moved to... * sparseset.cc: ...here. * spellcheck-tree.c: Moved to... * spellcheck-tree.cc: ...here. * spellcheck.c: Moved to... * spellcheck.cc: ...here. * sreal.c: Moved to... * sreal.cc: ...here. * stack-ptr-mod.c: Moved to... * stack-ptr-mod.cc: ...here. * statistics.c: Moved to... * statistics.cc: ...here. * stmt.c: Moved to... * stmt.cc: ...here. * stor-layout.c: Moved to... * stor-layout.cc: ...here. * store-motion.c: Moved to... * store-motion.cc: ...here. * streamer-hooks.c: Moved to... * streamer-hooks.cc: ...here. * stringpool.c: Moved to... * stringpool.cc: ...here. * substring-locations.c: Moved to... * substring-locations.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * target-globals.c: Moved to... * target-globals.cc: ...here. * targhooks.c: Moved to... * targhooks.cc: ...here. * timevar.c: Moved to... * timevar.cc: ...here. * toplev.c: Moved to... * toplev.cc: ...here. * tracer.c: Moved to... * tracer.cc: ...here. * trans-mem.c: Moved to... * trans-mem.cc: ...here. * tree-affine.c: Moved to... * tree-affine.cc: ...here. * tree-call-cdce.c: Moved to... * tree-call-cdce.cc: ...here. * tree-cfg.c: Moved to... * tree-cfg.cc: ...here. * tree-cfgcleanup.c: Moved to... * tree-cfgcleanup.cc: ...here. * tree-chrec.c: Moved to... * tree-chrec.cc: ...here. * tree-complex.c: Moved to... * tree-complex.cc: ...here. * tree-data-ref.c: Moved to... * tree-data-ref.cc: ...here. * tree-dfa.c: Moved to... * tree-dfa.cc: ...here. * tree-diagnostic.c: Moved to... * tree-diagnostic.cc: ...here. * tree-dump.c: Moved to... * tree-dump.cc: ...here. * tree-eh.c: Moved to... * tree-eh.cc: ...here. * tree-emutls.c: Moved to... * tree-emutls.cc: ...here. * tree-if-conv.c: Moved to... * tree-if-conv.cc: ...here. * tree-inline.c: Moved to... * tree-inline.cc: ...here. * tree-into-ssa.c: Moved to... * tree-into-ssa.cc: ...here. * tree-iterator.c: Moved to... * tree-iterator.cc: ...here. * tree-loop-distribution.c: Moved to... * tree-loop-distribution.cc: ...here. * tree-nested.c: Moved to... * tree-nested.cc: ...here. * tree-nrv.c: Moved to... * tree-nrv.cc: ...here. * tree-object-size.c: Moved to... * tree-object-size.cc: ...here. * tree-outof-ssa.c: Moved to... * tree-outof-ssa.cc: ...here. * tree-parloops.c: Moved to... * tree-parloops.cc: ...here. * tree-phinodes.c: Moved to... * tree-phinodes.cc: ...here. * tree-predcom.c: Moved to... * tree-predcom.cc: ...here. * tree-pretty-print.c: Moved to... * tree-pretty-print.cc: ...here. * tree-profile.c: Moved to... * tree-profile.cc: ...here. * tree-scalar-evolution.c: Moved to... * tree-scalar-evolution.cc: ...here. * tree-sra.c: Moved to... * tree-sra.cc: ...here. * tree-ssa-address.c: Moved to... * tree-ssa-address.cc: ...here. * tree-ssa-alias.c: Moved to... * tree-ssa-alias.cc: ...here. * tree-ssa-ccp.c: Moved to... * tree-ssa-ccp.cc: ...here. * tree-ssa-coalesce.c: Moved to... * tree-ssa-coalesce.cc: ...here. * tree-ssa-copy.c: Moved to... * tree-ssa-copy.cc: ...here. * tree-ssa-dce.c: Moved to... * tree-ssa-dce.cc: ...here. * tree-ssa-dom.c: Moved to... * tree-ssa-dom.cc: ...here. * tree-ssa-dse.c: Moved to... * tree-ssa-dse.cc: ...here. * tree-ssa-forwprop.c: Moved to... * tree-ssa-forwprop.cc: ...here. * tree-ssa-ifcombine.c: Moved to... * tree-ssa-ifcombine.cc: ...here. * tree-ssa-live.c: Moved to... * tree-ssa-live.cc: ...here. * tree-ssa-loop-ch.c: Moved to... * tree-ssa-loop-ch.cc: ...here. * tree-ssa-loop-im.c: Moved to... * tree-ssa-loop-im.cc: ...here. * tree-ssa-loop-ivcanon.c: Moved to... * tree-ssa-loop-ivcanon.cc: ...here. * tree-ssa-loop-ivopts.c: Moved to... * tree-ssa-loop-ivopts.cc: ...here. * tree-ssa-loop-manip.c: Moved to... * tree-ssa-loop-manip.cc: ...here. * tree-ssa-loop-niter.c: Moved to... * tree-ssa-loop-niter.cc: ...here. * tree-ssa-loop-prefetch.c: Moved to... * tree-ssa-loop-prefetch.cc: ...here. * tree-ssa-loop-split.c: Moved to... * tree-ssa-loop-split.cc: ...here. * tree-ssa-loop-unswitch.c: Moved to... * tree-ssa-loop-unswitch.cc: ...here. * tree-ssa-loop.c: Moved to... * tree-ssa-loop.cc: ...here. * tree-ssa-math-opts.c: Moved to... * tree-ssa-math-opts.cc: ...here. * tree-ssa-operands.c: Moved to... * tree-ssa-operands.cc: ...here. * tree-ssa-phiopt.c: Moved to... * tree-ssa-phiopt.cc: ...here. * tree-ssa-phiprop.c: Moved to... * tree-ssa-phiprop.cc: ...here. * tree-ssa-pre.c: Moved to... * tree-ssa-pre.cc: ...here. * tree-ssa-propagate.c: Moved to... * tree-ssa-propagate.cc: ...here. * tree-ssa-reassoc.c: Moved to... * tree-ssa-reassoc.cc: ...here. * tree-ssa-sccvn.c: Moved to... * tree-ssa-sccvn.cc: ...here. * tree-ssa-scopedtables.c: Moved to... * tree-ssa-scopedtables.cc: ...here. * tree-ssa-sink.c: Moved to... * tree-ssa-sink.cc: ...here. * tree-ssa-strlen.c: Moved to... * tree-ssa-strlen.cc: ...here. * tree-ssa-structalias.c: Moved to... * tree-ssa-structalias.cc: ...here. * tree-ssa-tail-merge.c: Moved to... * tree-ssa-tail-merge.cc: ...here. * tree-ssa-ter.c: Moved to... * tree-ssa-ter.cc: ...here. * tree-ssa-threadbackward.c: Moved to... * tree-ssa-threadbackward.cc: ...here. * tree-ssa-threadedge.c: Moved to... * tree-ssa-threadedge.cc: ...here. * tree-ssa-threadupdate.c: Moved to... * tree-ssa-threadupdate.cc: ...here. * tree-ssa-uncprop.c: Moved to... * tree-ssa-uncprop.cc: ...here. * tree-ssa-uninit.c: Moved to... * tree-ssa-uninit.cc: ...here. * tree-ssa.c: Moved to... * tree-ssa.cc: ...here. * tree-ssanames.c: Moved to... * tree-ssanames.cc: ...here. * tree-stdarg.c: Moved to... * tree-stdarg.cc: ...here. * tree-streamer-in.c: Moved to... * tree-streamer-in.cc: ...here. * tree-streamer-out.c: Moved to... * tree-streamer-out.cc: ...here. * tree-streamer.c: Moved to... * tree-streamer.cc: ...here. * tree-switch-conversion.c: Moved to... * tree-switch-conversion.cc: ...here. * tree-tailcall.c: Moved to... * tree-tailcall.cc: ...here. * tree-vect-data-refs.c: Moved to... * tree-vect-data-refs.cc: ...here. * tree-vect-generic.c: Moved to... * tree-vect-generic.cc: ...here. * tree-vect-loop-manip.c: Moved to... * tree-vect-loop-manip.cc: ...here. * tree-vect-loop.c: Moved to... * tree-vect-loop.cc: ...here. * tree-vect-patterns.c: Moved to... * tree-vect-patterns.cc: ...here. * tree-vect-slp-patterns.c: Moved to... * tree-vect-slp-patterns.cc: ...here. * tree-vect-slp.c: Moved to... * tree-vect-slp.cc: ...here. * tree-vect-stmts.c: Moved to... * tree-vect-stmts.cc: ...here. * tree-vector-builder.c: Moved to... * tree-vector-builder.cc: ...here. * tree-vectorizer.c: Moved to... * tree-vectorizer.cc: ...here. * tree-vrp.c: Moved to... * tree-vrp.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * tsan.c: Moved to... * tsan.cc: ...here. * typed-splay-tree.c: Moved to... * typed-splay-tree.cc: ...here. * ubsan.c: Moved to... * ubsan.cc: ...here. * valtrack.c: Moved to... * valtrack.cc: ...here. * value-prof.c: Moved to... * value-prof.cc: ...here. * var-tracking.c: Moved to... * var-tracking.cc: ...here. * varasm.c: Moved to... * varasm.cc: ...here. * varpool.c: Moved to... * varpool.cc: ...here. * vec-perm-indices.c: Moved to... * vec-perm-indices.cc: ...here. * vec.c: Moved to... * vec.cc: ...here. * vmsdbgout.c: Moved to... * vmsdbgout.cc: ...here. * vr-values.c: Moved to... * vr-values.cc: ...here. * vtable-verify.c: Moved to... * vtable-verify.cc: ...here. * web.c: Moved to... * web.cc: ...here. * xcoffout.c: Moved to... * xcoffout.cc: ...here. gcc/c-family/ChangeLog: * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. gcc/c/ChangeLog: * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. gcc/cp/ChangeLog: * call.c: Moved to... * call.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constexpr.c: Moved to... * constexpr.cc: ...here. * cp-gimplify.c: Moved to... * cp-gimplify.cc: ...here. * cp-lang.c: Moved to... * cp-lang.cc: ...here. * cp-objcp-common.c: Moved to... * cp-objcp-common.cc: ...here. * cp-ubsan.c: Moved to... * cp-ubsan.cc: ...here. * cvt.c: Moved to... * cvt.cc: ...here. * cxx-pretty-print.c: Moved to... * cxx-pretty-print.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * decl2.c: Moved to... * decl2.cc: ...here. * dump.c: Moved to... * dump.cc: ...here. * error.c: Moved to... * error.cc: ...here. * except.c: Moved to... * except.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * friend.c: Moved to... * friend.cc: ...here. * g++spec.c: Moved to... * g++spec.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lambda.c: Moved to... * lambda.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * mangle.c: Moved to... * mangle.cc: ...here. * method.c: Moved to... * method.cc: ...here. * name-lookup.c: Moved to... * name-lookup.cc: ...here. * optimize.c: Moved to... * optimize.cc: ...here. * parser.c: Moved to... * parser.cc: ...here. * pt.c: Moved to... * pt.cc: ...here. * ptree.c: Moved to... * ptree.cc: ...here. * rtti.c: Moved to... * rtti.cc: ...here. * search.c: Moved to... * search.cc: ...here. * semantics.c: Moved to... * semantics.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * typeck.c: Moved to... * typeck.cc: ...here. * typeck2.c: Moved to... * typeck2.cc: ...here. * vtable-class-hierarchy.c: Moved to... * vtable-class-hierarchy.cc: ...here. gcc/fortran/ChangeLog: * arith.c: Moved to... * arith.cc: ...here. * array.c: Moved to... * array.cc: ...here. * bbt.c: Moved to... * bbt.cc: ...here. * check.c: Moved to... * check.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constructor.c: Moved to... * constructor.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * cpp.c: Moved to... * cpp.cc: ...here. * data.c: Moved to... * data.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * dependency.c: Moved to... * dependency.cc: ...here. * dump-parse-tree.c: Moved to... * dump-parse-tree.cc: ...here. * error.c: Moved to... * error.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * f95-lang.c: Moved to... * f95-lang.cc: ...here. * frontend-passes.c: Moved to... * frontend-passes.cc: ...here. * gfortranspec.c: Moved to... * gfortranspec.cc: ...here. * interface.c: Moved to... * interface.cc: ...here. * intrinsic.c: Moved to... * intrinsic.cc: ...here. * io.c: Moved to... * io.cc: ...here. * iresolve.c: Moved to... * iresolve.cc: ...here. * match.c: Moved to... * match.cc: ...here. * matchexp.c: Moved to... * matchexp.cc: ...here. * misc.c: Moved to... * misc.cc: ...here. * module.c: Moved to... * module.cc: ...here. * openmp.c: Moved to... * openmp.cc: ...here. * options.c: Moved to... * options.cc: ...here. * parse.c: Moved to... * parse.cc: ...here. * primary.c: Moved to... * primary.cc: ...here. * resolve.c: Moved to... * resolve.cc: ...here. * scanner.c: Moved to... * scanner.cc: ...here. * simplify.c: Moved to... * simplify.cc: ...here. * st.c: Moved to... * st.cc: ...here. * symbol.c: Moved to... * symbol.cc: ...here. * target-memory.c: Moved to... * target-memory.cc: ...here. * trans-array.c: Moved to... * trans-array.cc: ...here. * trans-common.c: Moved to... * trans-common.cc: ...here. * trans-const.c: Moved to... * trans-const.cc: ...here. * trans-decl.c: Moved to... * trans-decl.cc: ...here. * trans-expr.c: Moved to... * trans-expr.cc: ...here. * trans-intrinsic.c: Moved to... * trans-intrinsic.cc: ...here. * trans-io.c: Moved to... * trans-io.cc: ...here. * trans-openmp.c: Moved to... * trans-openmp.cc: ...here. * trans-stmt.c: Moved to... * trans-stmt.cc: ...here. * trans-types.c: Moved to... * trans-types.cc: ...here. * trans.c: Moved to... * trans.cc: ...here. gcc/go/ChangeLog: * go-backend.c: Moved to... * go-backend.cc: ...here. * go-lang.c: Moved to... * go-lang.cc: ...here. * gospec.c: Moved to... * gospec.cc: ...here. gcc/jit/ChangeLog: * dummy-frontend.c: Moved to... * dummy-frontend.cc: ...here. * jit-builtins.c: Moved to... * jit-builtins.cc: ...here. * jit-logging.c: Moved to... * jit-logging.cc: ...here. * jit-playback.c: Moved to... * jit-playback.cc: ...here. * jit-recording.c: Moved to... * jit-recording.cc: ...here. * jit-result.c: Moved to... * jit-result.cc: ...here. * jit-spec.c: Moved to... * jit-spec.cc: ...here. * jit-tempdir.c: Moved to... * jit-tempdir.cc: ...here. * jit-w32.c: Moved to... * jit-w32.cc: ...here. * libgccjit.c: Moved to... * libgccjit.cc: ...here. gcc/lto/ChangeLog: * common.c: Moved to... * common.cc: ...here. * lto-common.c: Moved to... * lto-common.cc: ...here. * lto-dump.c: Moved to... * lto-dump.cc: ...here. * lto-lang.c: Moved to... * lto-lang.cc: ...here. * lto-object.c: Moved to... * lto-object.cc: ...here. * lto-partition.c: Moved to... * lto-partition.cc: ...here. * lto-symtab.c: Moved to... * lto-symtab.cc: ...here. * lto.c: Moved to... * lto.cc: ...here. gcc/objc/ChangeLog: * objc-act.c: Moved to... * objc-act.cc: ...here. * objc-encoding.c: Moved to... * objc-encoding.cc: ...here. * objc-gnu-runtime-abi-01.c: Moved to... * objc-gnu-runtime-abi-01.cc: ...here. * objc-lang.c: Moved to... * objc-lang.cc: ...here. * objc-map.c: Moved to... * objc-map.cc: ...here. * objc-next-runtime-abi-01.c: Moved to... * objc-next-runtime-abi-01.cc: ...here. * objc-next-runtime-abi-02.c: Moved to... * objc-next-runtime-abi-02.cc: ...here. * objc-runtime-shared-support.c: Moved to... * objc-runtime-shared-support.cc: ...here. gcc/objcp/ChangeLog: * objcp-decl.c: Moved to... * objcp-decl.cc: ...here. * objcp-lang.c: Moved to... * objcp-lang.cc: ...here. libcpp/ChangeLog: * charset.c: Moved to... * charset.cc: ...here. * directives.c: Moved to... * directives.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * files.c: Moved to... * files.cc: ...here. * identifiers.c: Moved to... * identifiers.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * line-map.c: Moved to... * line-map.cc: ...here. * macro.c: Moved to... * macro.cc: ...here. * makeucnid.c: Moved to... * makeucnid.cc: ...here. * mkdeps.c: Moved to... * mkdeps.cc: ...here. * pch.c: Moved to... * pch.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * traditional.c: Moved to... * traditional.cc: ...here.
Diffstat (limited to 'gcc/tree-cfgcleanup.c')
-rw-r--r--gcc/tree-cfgcleanup.c1654
1 files changed, 0 insertions, 1654 deletions
diff --git a/gcc/tree-cfgcleanup.c b/gcc/tree-cfgcleanup.c
deleted file mode 100644
index 6c05ef2..0000000
--- a/gcc/tree-cfgcleanup.c
+++ /dev/null
@@ -1,1654 +0,0 @@
-/* CFG cleanup for trees.
- Copyright (C) 2001-2022 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "backend.h"
-#include "rtl.h"
-#include "tree.h"
-#include "gimple.h"
-#include "cfghooks.h"
-#include "tree-pass.h"
-#include "ssa.h"
-#include "diagnostic-core.h"
-#include "fold-const.h"
-#include "cfganal.h"
-#include "cfgcleanup.h"
-#include "tree-eh.h"
-#include "gimplify.h"
-#include "gimple-iterator.h"
-#include "tree-cfg.h"
-#include "tree-ssa-loop-manip.h"
-#include "tree-dfa.h"
-#include "tree-ssa.h"
-#include "cfgloop.h"
-#include "tree-scalar-evolution.h"
-#include "gimple-match.h"
-#include "gimple-fold.h"
-#include "tree-ssa-loop-niter.h"
-#include "cgraph.h"
-#include "tree-into-ssa.h"
-#include "tree-cfgcleanup.h"
-
-
-/* The set of blocks in that at least one of the following changes happened:
- -- the statement at the end of the block was changed
- -- the block was newly created
- -- the set of the predecessors of the block changed
- -- the set of the successors of the block changed
- ??? Maybe we could track these changes separately, since they determine
- what cleanups it makes sense to try on the block. */
-bitmap cfgcleanup_altered_bbs;
-
-/* Remove any fallthru edge from EV. Return true if an edge was removed. */
-
-static bool
-remove_fallthru_edge (vec<edge, va_gc> *ev)
-{
- edge_iterator ei;
- edge e;
-
- FOR_EACH_EDGE (e, ei, ev)
- if ((e->flags & EDGE_FALLTHRU) != 0)
- {
- if (e->flags & EDGE_COMPLEX)
- e->flags &= ~EDGE_FALLTHRU;
- else
- remove_edge_and_dominated_blocks (e);
- return true;
- }
- return false;
-}
-
-/* Convert a SWTCH with single non-default case to gcond and replace it
- at GSI. */
-
-static bool
-convert_single_case_switch (gswitch *swtch, gimple_stmt_iterator &gsi)
-{
- if (gimple_switch_num_labels (swtch) != 2)
- return false;
-
- tree index = gimple_switch_index (swtch);
- tree label = gimple_switch_label (swtch, 1);
- tree low = CASE_LOW (label);
- tree high = CASE_HIGH (label);
-
- basic_block default_bb = gimple_switch_default_bb (cfun, swtch);
- basic_block case_bb = label_to_block (cfun, CASE_LABEL (label));
-
- basic_block bb = gimple_bb (swtch);
- gcond *cond;
-
- /* Replace switch statement with condition statement. */
- if (high)
- {
- tree lhs, rhs;
- if (range_check_type (TREE_TYPE (index)) == NULL_TREE)
- return false;
- generate_range_test (bb, index, low, high, &lhs, &rhs);
- cond = gimple_build_cond (LE_EXPR, lhs, rhs, NULL_TREE, NULL_TREE);
- }
- else
- cond = gimple_build_cond (EQ_EXPR, index,
- fold_convert (TREE_TYPE (index), low),
- NULL_TREE, NULL_TREE);
-
- gsi_replace (&gsi, cond, true);
-
- /* Update edges. */
- edge case_edge = find_edge (bb, case_bb);
- edge default_edge = find_edge (bb, default_bb);
-
- case_edge->flags |= EDGE_TRUE_VALUE;
- default_edge->flags |= EDGE_FALSE_VALUE;
- return true;
-}
-
-/* Disconnect an unreachable block in the control expression starting
- at block BB. */
-
-static bool
-cleanup_control_expr_graph (basic_block bb, gimple_stmt_iterator gsi)
-{
- edge taken_edge;
- bool retval = false;
- gimple *stmt = gsi_stmt (gsi);
-
- if (!single_succ_p (bb))
- {
- edge e;
- edge_iterator ei;
- bool warned;
- tree val = NULL_TREE;
-
- /* Try to convert a switch with just a single non-default case to
- GIMPLE condition. */
- if (gimple_code (stmt) == GIMPLE_SWITCH
- && convert_single_case_switch (as_a<gswitch *> (stmt), gsi))
- stmt = gsi_stmt (gsi);
-
- fold_defer_overflow_warnings ();
- switch (gimple_code (stmt))
- {
- case GIMPLE_COND:
- {
- gimple_match_op res_op;
- if (gimple_simplify (stmt, &res_op, NULL, no_follow_ssa_edges,
- no_follow_ssa_edges)
- && res_op.code == INTEGER_CST)
- val = res_op.ops[0];
- }
- break;
-
- case GIMPLE_SWITCH:
- val = gimple_switch_index (as_a <gswitch *> (stmt));
- break;
-
- default:
- ;
- }
- taken_edge = find_taken_edge (bb, val);
- if (!taken_edge)
- {
- fold_undefer_and_ignore_overflow_warnings ();
- return false;
- }
-
- /* Remove all the edges except the one that is always executed. */
- warned = false;
- for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
- {
- if (e != taken_edge)
- {
- if (!warned)
- {
- fold_undefer_overflow_warnings
- (true, stmt, WARN_STRICT_OVERFLOW_CONDITIONAL);
- warned = true;
- }
-
- taken_edge->probability += e->probability;
- remove_edge_and_dominated_blocks (e);
- retval = true;
- }
- else
- ei_next (&ei);
- }
- if (!warned)
- fold_undefer_and_ignore_overflow_warnings ();
- }
- else
- taken_edge = single_succ_edge (bb);
-
- bitmap_set_bit (cfgcleanup_altered_bbs, bb->index);
- gsi_remove (&gsi, true);
- taken_edge->flags = EDGE_FALLTHRU;
-
- return retval;
-}
-
-/* Cleanup the GF_CALL_CTRL_ALTERING flag according to
- to updated gimple_call_flags. */
-
-static void
-cleanup_call_ctrl_altering_flag (basic_block bb, gimple *bb_end)
-{
- if (!is_gimple_call (bb_end)
- || !gimple_call_ctrl_altering_p (bb_end)
- || (/* IFN_UNIQUE should be the last insn, to make checking for it
- as cheap as possible. */
- gimple_call_internal_p (bb_end)
- && gimple_call_internal_unique_p (bb_end)))
- return;
-
- int flags = gimple_call_flags (bb_end);
- if (((flags & (ECF_CONST | ECF_PURE))
- && !(flags & ECF_LOOPING_CONST_OR_PURE))
- || (flags & ECF_LEAF))
- gimple_call_set_ctrl_altering (bb_end, false);
- else
- {
- edge_iterator ei;
- edge e;
- bool found = false;
- FOR_EACH_EDGE (e, ei, bb->succs)
- if (e->flags & EDGE_FALLTHRU)
- found = true;
- else if (e->flags & EDGE_ABNORMAL)
- {
- found = false;
- break;
- }
- /* If there's no abnormal edge and a fallthru edge the call
- isn't control-altering anymore. */
- if (found)
- gimple_call_set_ctrl_altering (bb_end, false);
- }
-}
-
-/* Try to remove superfluous control structures in basic block BB. Returns
- true if anything changes. */
-
-static bool
-cleanup_control_flow_bb (basic_block bb)
-{
- gimple_stmt_iterator gsi;
- bool retval = false;
- gimple *stmt;
-
- /* If the last statement of the block could throw and now cannot,
- we need to prune cfg. */
- retval |= gimple_purge_dead_eh_edges (bb);
-
- gsi = gsi_last_nondebug_bb (bb);
- if (gsi_end_p (gsi))
- return retval;
-
- stmt = gsi_stmt (gsi);
-
- /* Try to cleanup ctrl altering flag for call which ends bb. */
- cleanup_call_ctrl_altering_flag (bb, stmt);
-
- if (gimple_code (stmt) == GIMPLE_COND
- || gimple_code (stmt) == GIMPLE_SWITCH)
- {
- gcc_checking_assert (gsi_stmt (gsi_last_bb (bb)) == stmt);
- retval |= cleanup_control_expr_graph (bb, gsi);
- }
- else if (gimple_code (stmt) == GIMPLE_GOTO
- && TREE_CODE (gimple_goto_dest (stmt)) == ADDR_EXPR
- && (TREE_CODE (TREE_OPERAND (gimple_goto_dest (stmt), 0))
- == LABEL_DECL))
- {
- /* If we had a computed goto which has a compile-time determinable
- destination, then we can eliminate the goto. */
- edge e;
- tree label;
- edge_iterator ei;
- basic_block target_block;
-
- gcc_checking_assert (gsi_stmt (gsi_last_bb (bb)) == stmt);
- /* First look at all the outgoing edges. Delete any outgoing
- edges which do not go to the right block. For the one
- edge which goes to the right block, fix up its flags. */
- label = TREE_OPERAND (gimple_goto_dest (stmt), 0);
- if (DECL_CONTEXT (label) != cfun->decl)
- return retval;
- target_block = label_to_block (cfun, label);
- for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
- {
- if (e->dest != target_block)
- remove_edge_and_dominated_blocks (e);
- else
- {
- /* Turn off the EDGE_ABNORMAL flag. */
- e->flags &= ~EDGE_ABNORMAL;
-
- /* And set EDGE_FALLTHRU. */
- e->flags |= EDGE_FALLTHRU;
- ei_next (&ei);
- }
- }
-
- bitmap_set_bit (cfgcleanup_altered_bbs, bb->index);
- bitmap_set_bit (cfgcleanup_altered_bbs, target_block->index);
-
- /* Remove the GOTO_EXPR as it is not needed. The CFG has all the
- relevant information we need. */
- gsi_remove (&gsi, true);
- retval = true;
- }
-
- /* Check for indirect calls that have been turned into
- noreturn calls. */
- else if (is_gimple_call (stmt)
- && gimple_call_noreturn_p (stmt))
- {
- /* If there are debug stmts after the noreturn call, remove them
- now, they should be all unreachable anyway. */
- for (gsi_next (&gsi); !gsi_end_p (gsi); )
- gsi_remove (&gsi, true);
- if (remove_fallthru_edge (bb->succs))
- retval = true;
- }
-
- return retval;
-}
-
-/* Return true if basic block BB does nothing except pass control
- flow to another block and that we can safely insert a label at
- the start of the successor block.
-
- As a precondition, we require that BB be not equal to
- the entry block. */
-
-static bool
-tree_forwarder_block_p (basic_block bb, bool phi_wanted)
-{
- gimple_stmt_iterator gsi;
- location_t locus;
-
- /* BB must have a single outgoing edge. */
- if (single_succ_p (bb) != 1
- /* If PHI_WANTED is false, BB must not have any PHI nodes.
- Otherwise, BB must have PHI nodes. */
- || gimple_seq_empty_p (phi_nodes (bb)) == phi_wanted
- /* BB may not be a predecessor of the exit block. */
- || single_succ (bb) == EXIT_BLOCK_PTR_FOR_FN (cfun)
- /* Nor should this be an infinite loop. */
- || single_succ (bb) == bb
- /* BB may not have an abnormal outgoing edge. */
- || (single_succ_edge (bb)->flags & EDGE_ABNORMAL))
- return false;
-
- gcc_checking_assert (bb != ENTRY_BLOCK_PTR_FOR_FN (cfun));
-
- locus = single_succ_edge (bb)->goto_locus;
-
- /* There should not be an edge coming from entry, or an EH edge. */
- {
- edge_iterator ei;
- edge e;
-
- FOR_EACH_EDGE (e, ei, bb->preds)
- if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun) || (e->flags & EDGE_EH))
- return false;
- /* If goto_locus of any of the edges differs, prevent removing
- the forwarder block when not optimizing. */
- else if (!optimize
- && (LOCATION_LOCUS (e->goto_locus) != UNKNOWN_LOCATION
- || LOCATION_LOCUS (locus) != UNKNOWN_LOCATION)
- && e->goto_locus != locus)
- return false;
- }
-
- /* Now walk through the statements backward. We can ignore labels,
- anything else means this is not a forwarder block. */
- for (gsi = gsi_last_bb (bb); !gsi_end_p (gsi); gsi_prev (&gsi))
- {
- gimple *stmt = gsi_stmt (gsi);
-
- switch (gimple_code (stmt))
- {
- case GIMPLE_LABEL:
- if (DECL_NONLOCAL (gimple_label_label (as_a <glabel *> (stmt))))
- return false;
- if (!optimize
- && (gimple_has_location (stmt)
- || LOCATION_LOCUS (locus) != UNKNOWN_LOCATION)
- && gimple_location (stmt) != locus)
- return false;
- break;
-
- /* ??? For now, hope there's a corresponding debug
- assignment at the destination. */
- case GIMPLE_DEBUG:
- break;
-
- default:
- return false;
- }
- }
-
- if (current_loops)
- {
- basic_block dest;
- /* Protect loop headers. */
- if (bb_loop_header_p (bb))
- return false;
-
- dest = EDGE_SUCC (bb, 0)->dest;
- /* Protect loop preheaders and latches if requested. */
- if (dest->loop_father->header == dest)
- {
- if (bb->loop_father == dest->loop_father)
- {
- if (loops_state_satisfies_p (LOOPS_HAVE_SIMPLE_LATCHES))
- return false;
- /* If bb doesn't have a single predecessor we'd make this
- loop have multiple latches. Don't do that if that
- would in turn require disambiguating them. */
- return (single_pred_p (bb)
- || loops_state_satisfies_p
- (LOOPS_MAY_HAVE_MULTIPLE_LATCHES));
- }
- else if (bb->loop_father == loop_outer (dest->loop_father))
- return !loops_state_satisfies_p (LOOPS_HAVE_PREHEADERS);
- /* Always preserve other edges into loop headers that are
- not simple latches or preheaders. */
- return false;
- }
- }
-
- return true;
-}
-
-/* If all the PHI nodes in DEST have alternatives for E1 and E2 and
- those alternatives are equal in each of the PHI nodes, then return
- true, else return false. */
-
-static bool
-phi_alternatives_equal (basic_block dest, edge e1, edge e2)
-{
- int n1 = e1->dest_idx;
- int n2 = e2->dest_idx;
- gphi_iterator gsi;
-
- for (gsi = gsi_start_phis (dest); !gsi_end_p (gsi); gsi_next (&gsi))
- {
- gphi *phi = gsi.phi ();
- tree val1 = gimple_phi_arg_def (phi, n1);
- tree val2 = gimple_phi_arg_def (phi, n2);
-
- gcc_assert (val1 != NULL_TREE);
- gcc_assert (val2 != NULL_TREE);
-
- if (!operand_equal_for_phi_arg_p (val1, val2))
- return false;
- }
-
- return true;
-}
-
-/* Move debug stmts from the forwarder block SRC to DEST. */
-
-static void
-move_debug_stmts_from_forwarder (basic_block src, basic_block dest,
- bool dest_single_pred_p)
-{
- if (!MAY_HAVE_DEBUG_STMTS)
- return;
-
- gimple_stmt_iterator gsi_to = gsi_after_labels (dest);
- for (gimple_stmt_iterator gsi = gsi_after_labels (src); !gsi_end_p (gsi);)
- {
- gimple *debug = gsi_stmt (gsi);
- gcc_assert (is_gimple_debug (debug));
- /* Move debug binds anyway, but not anything else like begin-stmt
- markers unless they are always valid at the destination. */
- if (dest_single_pred_p
- || gimple_debug_bind_p (debug))
- {
- gsi_move_before (&gsi, &gsi_to);
- /* Reset debug-binds that are not always valid at the destination.
- Simply dropping them can cause earlier values to become live,
- generating wrong debug information.
- ??? There are several things we could improve here. For
- one we might be able to move stmts to the predecessor.
- For anther, if the debug stmt is immediately followed by a
- (debug) definition in the destination (on a post-dominated path?)
- we can elide it without any bad effects. */
- if (!dest_single_pred_p)
- {
- gimple_debug_bind_reset_value (debug);
- update_stmt (debug);
- }
- }
- else
- gsi_next (&gsi);
- }
-}
-
-/* Removes forwarder block BB. Returns false if this failed. */
-
-static bool
-remove_forwarder_block (basic_block bb)
-{
- edge succ = single_succ_edge (bb), e, s;
- basic_block dest = succ->dest;
- gimple *stmt;
- edge_iterator ei;
- gimple_stmt_iterator gsi, gsi_to;
-
- /* We check for infinite loops already in tree_forwarder_block_p.
- However it may happen that the infinite loop is created
- afterwards due to removal of forwarders. */
- if (dest == bb)
- return false;
-
- /* If the destination block consists of a nonlocal label or is a
- EH landing pad, do not merge it. */
- stmt = first_stmt (dest);
- if (stmt)
- if (glabel *label_stmt = dyn_cast <glabel *> (stmt))
- if (DECL_NONLOCAL (gimple_label_label (label_stmt))
- || EH_LANDING_PAD_NR (gimple_label_label (label_stmt)) != 0)
- return false;
-
- /* If there is an abnormal edge to basic block BB, but not into
- dest, problems might occur during removal of the phi node at out
- of ssa due to overlapping live ranges of registers.
-
- If there is an abnormal edge in DEST, the problems would occur
- anyway since cleanup_dead_labels would then merge the labels for
- two different eh regions, and rest of exception handling code
- does not like it.
-
- So if there is an abnormal edge to BB, proceed only if there is
- no abnormal edge to DEST and there are no phi nodes in DEST. */
- if (bb_has_abnormal_pred (bb)
- && (bb_has_abnormal_pred (dest)
- || !gimple_seq_empty_p (phi_nodes (dest))))
- return false;
-
- /* If there are phi nodes in DEST, and some of the blocks that are
- predecessors of BB are also predecessors of DEST, check that the
- phi node arguments match. */
- if (!gimple_seq_empty_p (phi_nodes (dest)))
- {
- FOR_EACH_EDGE (e, ei, bb->preds)
- {
- s = find_edge (e->src, dest);
- if (!s)
- continue;
-
- if (!phi_alternatives_equal (dest, succ, s))
- return false;
- }
- }
-
- basic_block pred = NULL;
- if (single_pred_p (bb))
- pred = single_pred (bb);
- bool dest_single_pred_p = single_pred_p (dest);
-
- /* Redirect the edges. */
- for (ei = ei_start (bb->preds); (e = ei_safe_edge (ei)); )
- {
- bitmap_set_bit (cfgcleanup_altered_bbs, e->src->index);
-
- if (e->flags & EDGE_ABNORMAL)
- {
- /* If there is an abnormal edge, redirect it anyway, and
- move the labels to the new block to make it legal. */
- s = redirect_edge_succ_nodup (e, dest);
- }
- else
- s = redirect_edge_and_branch (e, dest);
-
- if (s == e)
- {
- /* Create arguments for the phi nodes, since the edge was not
- here before. */
- for (gphi_iterator psi = gsi_start_phis (dest);
- !gsi_end_p (psi);
- gsi_next (&psi))
- {
- gphi *phi = psi.phi ();
- location_t l = gimple_phi_arg_location_from_edge (phi, succ);
- tree def = gimple_phi_arg_def (phi, succ->dest_idx);
- add_phi_arg (phi, unshare_expr (def), s, l);
- }
- }
- }
-
- /* Move nonlocal labels and computed goto targets as well as user
- defined labels and labels with an EH landing pad number to the
- new block, so that the redirection of the abnormal edges works,
- jump targets end up in a sane place and debug information for
- labels is retained. */
- gsi_to = gsi_start_bb (dest);
- for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); )
- {
- stmt = gsi_stmt (gsi);
- if (is_gimple_debug (stmt))
- break;
-
- /* Forwarder blocks can only contain labels and debug stmts, and
- labels must come first, so if we get to this point, we know
- we're looking at a label. */
- tree decl = gimple_label_label (as_a <glabel *> (stmt));
- if (EH_LANDING_PAD_NR (decl) != 0
- || DECL_NONLOCAL (decl)
- || FORCED_LABEL (decl)
- || !DECL_ARTIFICIAL (decl))
- gsi_move_before (&gsi, &gsi_to);
- else
- gsi_next (&gsi);
- }
-
- /* Move debug statements. Reset them if the destination does not
- have a single predecessor. */
- move_debug_stmts_from_forwarder (bb, dest, dest_single_pred_p);
-
- bitmap_set_bit (cfgcleanup_altered_bbs, dest->index);
-
- /* Update the dominators. */
- if (dom_info_available_p (CDI_DOMINATORS))
- {
- basic_block dom, dombb, domdest;
-
- dombb = get_immediate_dominator (CDI_DOMINATORS, bb);
- domdest = get_immediate_dominator (CDI_DOMINATORS, dest);
- if (domdest == bb)
- {
- /* Shortcut to avoid calling (relatively expensive)
- nearest_common_dominator unless necessary. */
- dom = dombb;
- }
- else
- dom = nearest_common_dominator (CDI_DOMINATORS, domdest, dombb);
-
- set_immediate_dominator (CDI_DOMINATORS, dest, dom);
- }
-
- /* Adjust latch infomation of BB's parent loop as otherwise
- the cfg hook has a hard time not to kill the loop. */
- if (current_loops && bb->loop_father->latch == bb)
- bb->loop_father->latch = pred;
-
- /* And kill the forwarder block. */
- delete_basic_block (bb);
-
- return true;
-}
-
-/* STMT is a call that has been discovered noreturn. Split the
- block to prepare fixing up the CFG and remove LHS.
- Return true if cleanup-cfg needs to run. */
-
-bool
-fixup_noreturn_call (gimple *stmt)
-{
- basic_block bb = gimple_bb (stmt);
- bool changed = false;
-
- if (gimple_call_builtin_p (stmt, BUILT_IN_RETURN))
- return false;
-
- /* First split basic block if stmt is not last. */
- if (stmt != gsi_stmt (gsi_last_bb (bb)))
- {
- if (stmt == gsi_stmt (gsi_last_nondebug_bb (bb)))
- {
- /* Don't split if there are only debug stmts
- after stmt, that can result in -fcompare-debug
- failures. Remove the debug stmts instead,
- they should be all unreachable anyway. */
- gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
- for (gsi_next (&gsi); !gsi_end_p (gsi); )
- gsi_remove (&gsi, true);
- }
- else
- {
- split_block (bb, stmt);
- changed = true;
- }
- }
-
- /* If there is an LHS, remove it, but only if its type has fixed size.
- The LHS will need to be recreated during RTL expansion and creating
- temporaries of variable-sized types is not supported. Also don't
- do this with TREE_ADDRESSABLE types, as assign_temp will abort.
- Drop LHS regardless of TREE_ADDRESSABLE, if the function call
- has been changed into a call that does not return a value, like
- __builtin_unreachable or __cxa_pure_virtual. */
- tree lhs = gimple_call_lhs (stmt);
- if (lhs
- && (should_remove_lhs_p (lhs)
- || VOID_TYPE_P (TREE_TYPE (gimple_call_fntype (stmt)))))
- {
- gimple_call_set_lhs (stmt, NULL_TREE);
-
- /* We need to fix up the SSA name to avoid checking errors. */
- if (TREE_CODE (lhs) == SSA_NAME)
- {
- tree new_var = create_tmp_reg (TREE_TYPE (lhs));
- SET_SSA_NAME_VAR_OR_IDENTIFIER (lhs, new_var);
- SSA_NAME_DEF_STMT (lhs) = gimple_build_nop ();
- set_ssa_default_def (cfun, new_var, lhs);
- }
-
- update_stmt (stmt);
- }
-
- /* Mark the call as altering control flow. */
- if (!gimple_call_ctrl_altering_p (stmt))
- {
- gimple_call_set_ctrl_altering (stmt, true);
- changed = true;
- }
-
- return changed;
-}
-
-/* Return true if we want to merge BB1 and BB2 into a single block. */
-
-static bool
-want_merge_blocks_p (basic_block bb1, basic_block bb2)
-{
- if (!can_merge_blocks_p (bb1, bb2))
- return false;
- gimple_stmt_iterator gsi = gsi_last_nondebug_bb (bb1);
- if (gsi_end_p (gsi) || !stmt_can_terminate_bb_p (gsi_stmt (gsi)))
- return true;
- return bb1->count.ok_for_merging (bb2->count);
-}
-
-
-/* Tries to cleanup cfg in basic block BB by merging blocks. Returns
- true if anything changes. */
-
-static bool
-cleanup_tree_cfg_bb (basic_block bb)
-{
- if (tree_forwarder_block_p (bb, false)
- && remove_forwarder_block (bb))
- return true;
-
- /* If there is a merge opportunity with the predecessor
- do nothing now but wait until we process the predecessor.
- This happens when we visit BBs in a non-optimal order and
- avoids quadratic behavior with adjusting stmts BB pointer. */
- if (single_pred_p (bb)
- && want_merge_blocks_p (single_pred (bb), bb))
- /* But make sure we _do_ visit it. When we remove unreachable paths
- ending in a backedge we fail to mark the destinations predecessors
- as changed. */
- bitmap_set_bit (cfgcleanup_altered_bbs, single_pred (bb)->index);
-
- /* Merging the blocks may create new opportunities for folding
- conditional branches (due to the elimination of single-valued PHI
- nodes). */
- else if (single_succ_p (bb)
- && want_merge_blocks_p (bb, single_succ (bb)))
- {
- merge_blocks (bb, single_succ (bb));
- return true;
- }
-
- return false;
-}
-
-/* Return true if E is an EDGE_ABNORMAL edge for returns_twice calls,
- i.e. one going from .ABNORMAL_DISPATCHER to basic block which doesn't
- start with a forced or nonlocal label. Calls which return twice can return
- the second time only if they are called normally the first time, so basic
- blocks which can be only entered through these abnormal edges but not
- normally are effectively unreachable as well. Additionally ignore
- __builtin_setjmp_receiver starting blocks, which have one FORCED_LABEL
- and which are always only reachable through EDGE_ABNORMAL edge. They are
- handled in cleanup_control_flow_pre. */
-
-static bool
-maybe_dead_abnormal_edge_p (edge e)
-{
- if ((e->flags & (EDGE_ABNORMAL | EDGE_EH)) != EDGE_ABNORMAL)
- return false;
-
- gimple_stmt_iterator gsi = gsi_start_nondebug_after_labels_bb (e->src);
- gimple *g = gsi_stmt (gsi);
- if (!g || !gimple_call_internal_p (g, IFN_ABNORMAL_DISPATCHER))
- return false;
-
- tree target = NULL_TREE;
- for (gsi = gsi_start_bb (e->dest); !gsi_end_p (gsi); gsi_next (&gsi))
- if (glabel *label_stmt = dyn_cast <glabel *> (gsi_stmt (gsi)))
- {
- tree this_target = gimple_label_label (label_stmt);
- if (DECL_NONLOCAL (this_target))
- return false;
- if (FORCED_LABEL (this_target))
- {
- if (target)
- return false;
- target = this_target;
- }
- }
- else
- break;
-
- if (target)
- {
- /* If there was a single FORCED_LABEL, check for
- __builtin_setjmp_receiver with address of that label. */
- if (!gsi_end_p (gsi) && is_gimple_debug (gsi_stmt (gsi)))
- gsi_next_nondebug (&gsi);
- if (gsi_end_p (gsi))
- return false;
- if (!gimple_call_builtin_p (gsi_stmt (gsi), BUILT_IN_SETJMP_RECEIVER))
- return false;
-
- tree arg = gimple_call_arg (gsi_stmt (gsi), 0);
- if (TREE_CODE (arg) != ADDR_EXPR || TREE_OPERAND (arg, 0) != target)
- return false;
- }
- return true;
-}
-
-/* If BB is a basic block ending with __builtin_setjmp_setup, return edge
- from .ABNORMAL_DISPATCHER basic block to corresponding
- __builtin_setjmp_receiver basic block, otherwise return NULL. */
-static edge
-builtin_setjmp_setup_bb (basic_block bb)
-{
- if (EDGE_COUNT (bb->succs) != 2
- || ((EDGE_SUCC (bb, 0)->flags
- & (EDGE_ABNORMAL | EDGE_EH)) != EDGE_ABNORMAL
- && (EDGE_SUCC (bb, 1)->flags
- & (EDGE_ABNORMAL | EDGE_EH)) != EDGE_ABNORMAL))
- return NULL;
-
- gimple_stmt_iterator gsi = gsi_last_nondebug_bb (bb);
- if (gsi_end_p (gsi)
- || !gimple_call_builtin_p (gsi_stmt (gsi), BUILT_IN_SETJMP_SETUP))
- return NULL;
-
- tree arg = gimple_call_arg (gsi_stmt (gsi), 1);
- if (TREE_CODE (arg) != ADDR_EXPR
- || TREE_CODE (TREE_OPERAND (arg, 0)) != LABEL_DECL)
- return NULL;
-
- basic_block recv_bb = label_to_block (cfun, TREE_OPERAND (arg, 0));
- if (EDGE_COUNT (recv_bb->preds) != 1
- || (EDGE_PRED (recv_bb, 0)->flags
- & (EDGE_ABNORMAL | EDGE_EH)) != EDGE_ABNORMAL
- || (EDGE_SUCC (bb, 0)->dest != EDGE_PRED (recv_bb, 0)->src
- && EDGE_SUCC (bb, 1)->dest != EDGE_PRED (recv_bb, 0)->src))
- return NULL;
-
- /* EDGE_PRED (recv_bb, 0)->src should be the .ABNORMAL_DISPATCHER bb. */
- return EDGE_PRED (recv_bb, 0);
-}
-
-/* Do cleanup_control_flow_bb in PRE order. */
-
-static bool
-cleanup_control_flow_pre ()
-{
- bool retval = false;
-
- /* We want remove_edge_and_dominated_blocks to only remove edges,
- not dominated blocks which it does when dom info isn't available.
- Pretend so. */
- dom_state saved_state = dom_info_state (CDI_DOMINATORS);
- set_dom_info_availability (CDI_DOMINATORS, DOM_NONE);
-
- auto_vec<edge_iterator, 20> stack (n_basic_blocks_for_fn (cfun) + 2);
- auto_sbitmap visited (last_basic_block_for_fn (cfun));
- bitmap_clear (visited);
-
- vec<edge, va_gc> *setjmp_vec = NULL;
- auto_vec<basic_block, 4> abnormal_dispatchers;
-
- stack.quick_push (ei_start (ENTRY_BLOCK_PTR_FOR_FN (cfun)->succs));
-
- while (! stack.is_empty ())
- {
- /* Look at the edge on the top of the stack. */
- edge_iterator ei = stack.last ();
- basic_block dest = ei_edge (ei)->dest;
-
- if (dest != EXIT_BLOCK_PTR_FOR_FN (cfun)
- && !bitmap_bit_p (visited, dest->index)
- && (ei_container (ei) == setjmp_vec
- || !maybe_dead_abnormal_edge_p (ei_edge (ei))))
- {
- bitmap_set_bit (visited, dest->index);
- /* We only possibly remove edges from DEST here, leaving
- possibly unreachable code in the IL. */
- retval |= cleanup_control_flow_bb (dest);
-
- /* Check for __builtin_setjmp_setup. Edges from .ABNORMAL_DISPATCH
- to __builtin_setjmp_receiver will be normally ignored by
- maybe_dead_abnormal_edge_p. If DEST is a visited
- __builtin_setjmp_setup, queue edge from .ABNORMAL_DISPATCH
- to __builtin_setjmp_receiver, so that it will be visited too. */
- if (edge e = builtin_setjmp_setup_bb (dest))
- {
- vec_safe_push (setjmp_vec, e);
- if (vec_safe_length (setjmp_vec) == 1)
- stack.quick_push (ei_start (setjmp_vec));
- }
-
- if ((ei_edge (ei)->flags
- & (EDGE_ABNORMAL | EDGE_EH)) == EDGE_ABNORMAL)
- {
- gimple_stmt_iterator gsi
- = gsi_start_nondebug_after_labels_bb (dest);
- gimple *g = gsi_stmt (gsi);
- if (g && gimple_call_internal_p (g, IFN_ABNORMAL_DISPATCHER))
- abnormal_dispatchers.safe_push (dest);
- }
-
- if (EDGE_COUNT (dest->succs) > 0)
- stack.quick_push (ei_start (dest->succs));
- }
- else
- {
- if (!ei_one_before_end_p (ei))
- ei_next (&stack.last ());
- else
- {
- if (ei_container (ei) == setjmp_vec)
- vec_safe_truncate (setjmp_vec, 0);
- stack.pop ();
- }
- }
- }
-
- vec_free (setjmp_vec);
-
- /* If we've marked .ABNORMAL_DISPATCHER basic block(s) as visited
- above, but haven't marked any of their successors as visited,
- unmark them now, so that they can be removed as useless. */
- for (basic_block dispatcher_bb : abnormal_dispatchers)
- {
- edge e;
- edge_iterator ei;
- FOR_EACH_EDGE (e, ei, dispatcher_bb->succs)
- if (bitmap_bit_p (visited, e->dest->index))
- break;
- if (e == NULL)
- bitmap_clear_bit (visited, dispatcher_bb->index);
- }
-
- set_dom_info_availability (CDI_DOMINATORS, saved_state);
-
- /* We are deleting BBs in non-reverse dominator order, make sure
- insert_debug_temps_for_defs is prepared for that. */
- if (retval)
- free_dominance_info (CDI_DOMINATORS);
-
- /* Remove all now (and previously) unreachable blocks. */
- for (int i = NUM_FIXED_BLOCKS; i < last_basic_block_for_fn (cfun); ++i)
- {
- basic_block bb = BASIC_BLOCK_FOR_FN (cfun, i);
- if (bb && !bitmap_bit_p (visited, bb->index))
- {
- if (!retval)
- free_dominance_info (CDI_DOMINATORS);
- delete_basic_block (bb);
- retval = true;
- }
- }
-
- return retval;
-}
-
-static bool
-mfb_keep_latches (edge e)
-{
- return !((dom_info_available_p (CDI_DOMINATORS)
- && dominated_by_p (CDI_DOMINATORS, e->src, e->dest))
- || (e->flags & EDGE_DFS_BACK));
-}
-
-/* Remove unreachable blocks and other miscellaneous clean up work.
- Return true if the flowgraph was modified, false otherwise. */
-
-static bool
-cleanup_tree_cfg_noloop (unsigned ssa_update_flags)
-{
- timevar_push (TV_TREE_CLEANUP_CFG);
-
- /* Ensure that we have single entries into loop headers. Otherwise
- if one of the entries is becoming a latch due to CFG cleanup
- (from formerly being part of an irreducible region) then we mess
- up loop fixup and associate the old loop with a different region
- which makes niter upper bounds invalid. See for example PR80549.
- This needs to be done before we remove trivially dead edges as
- we need to capture the dominance state before the pending transform. */
- if (current_loops)
- {
- /* This needs backedges or dominators. */
- if (!dom_info_available_p (CDI_DOMINATORS))
- mark_dfs_back_edges ();
-
- for (loop_p loop : *get_loops (cfun))
- if (loop && loop->header)
- {
- basic_block bb = loop->header;
- edge_iterator ei;
- edge e;
- bool found_latch = false;
- bool any_abnormal = false;
- unsigned n = 0;
- /* We are only interested in preserving existing loops, but
- we need to check whether they are still real and of course
- if we need to add a preheader at all. */
- FOR_EACH_EDGE (e, ei, bb->preds)
- {
- if (e->flags & EDGE_ABNORMAL)
- {
- any_abnormal = true;
- break;
- }
- if ((dom_info_available_p (CDI_DOMINATORS)
- && dominated_by_p (CDI_DOMINATORS, e->src, bb))
- || (e->flags & EDGE_DFS_BACK))
- {
- found_latch = true;
- continue;
- }
- n++;
- }
- /* If we have more than one entry to the loop header
- create a forwarder. */
- if (found_latch && ! any_abnormal && n > 1)
- {
- edge fallthru = make_forwarder_block (bb, mfb_keep_latches,
- NULL);
- loop->header = fallthru->dest;
- if (! loops_state_satisfies_p (LOOPS_NEED_FIXUP))
- {
- /* The loop updating from the CFG hook is incomplete
- when we have multiple latches, fixup manually. */
- remove_bb_from_loops (fallthru->src);
- loop_p cloop = loop;
- FOR_EACH_EDGE (e, ei, fallthru->src->preds)
- cloop = find_common_loop (cloop, e->src->loop_father);
- add_bb_to_loop (fallthru->src, cloop);
- }
- }
- }
- }
-
- /* Prepare the worklists of altered blocks. */
- cfgcleanup_altered_bbs = BITMAP_ALLOC (NULL);
-
- /* Start by iterating over all basic blocks in PRE order looking for
- edge removal opportunities. Do this first because incoming SSA form
- may be invalid and we want to avoid performing SSA related tasks such
- as propgating out a PHI node during BB merging in that state. This
- also gets rid of unreachable blocks. */
- bool changed = cleanup_control_flow_pre ();
-
- /* After doing the above SSA form should be valid (or an update SSA
- should be required). */
- if (ssa_update_flags)
- update_ssa (ssa_update_flags);
-
- /* Compute dominator info which we need for the iterative process below. */
- if (!dom_info_available_p (CDI_DOMINATORS))
- calculate_dominance_info (CDI_DOMINATORS);
- else
- checking_verify_dominators (CDI_DOMINATORS);
-
- /* During forwarder block cleanup, we may redirect edges out of
- SWITCH_EXPRs, which can get expensive. So we want to enable
- recording of edge to CASE_LABEL_EXPR. */
- start_recording_case_labels ();
-
- /* Continue by iterating over all basic blocks looking for BB merging
- opportunities. We cannot use FOR_EACH_BB_FN for the BB iteration
- since the basic blocks may get removed. */
- unsigned n = last_basic_block_for_fn (cfun);
- for (unsigned i = NUM_FIXED_BLOCKS; i < n; i++)
- {
- basic_block bb = BASIC_BLOCK_FOR_FN (cfun, i);
- if (bb)
- changed |= cleanup_tree_cfg_bb (bb);
- }
-
- /* Now process the altered blocks, as long as any are available. */
- while (!bitmap_empty_p (cfgcleanup_altered_bbs))
- {
- unsigned i = bitmap_first_set_bit (cfgcleanup_altered_bbs);
- bitmap_clear_bit (cfgcleanup_altered_bbs, i);
- if (i < NUM_FIXED_BLOCKS)
- continue;
-
- basic_block bb = BASIC_BLOCK_FOR_FN (cfun, i);
- if (!bb)
- continue;
-
- /* BB merging done by cleanup_tree_cfg_bb can end up propagating
- out single-argument PHIs which in turn can expose
- cleanup_control_flow_bb opportunities so we have to repeat
- that here. */
- changed |= cleanup_control_flow_bb (bb);
- changed |= cleanup_tree_cfg_bb (bb);
- }
-
- end_recording_case_labels ();
- BITMAP_FREE (cfgcleanup_altered_bbs);
-
- gcc_assert (dom_info_available_p (CDI_DOMINATORS));
-
- /* Do not renumber blocks if the SCEV cache is active, it is indexed by
- basic-block numbers. */
- if (! scev_initialized_p ())
- compact_blocks ();
-
- checking_verify_flow_info ();
-
- timevar_pop (TV_TREE_CLEANUP_CFG);
-
- if (changed && current_loops)
- {
- /* Removing edges and/or blocks may make recorded bounds refer
- to stale GIMPLE stmts now, so clear them. */
- free_numbers_of_iterations_estimates (cfun);
- loops_state_set (LOOPS_NEED_FIXUP);
- }
-
- return changed;
-}
-
-/* Repairs loop structures. */
-
-static void
-repair_loop_structures (void)
-{
- bitmap changed_bbs;
- unsigned n_new_loops;
-
- calculate_dominance_info (CDI_DOMINATORS);
-
- timevar_push (TV_REPAIR_LOOPS);
- changed_bbs = BITMAP_ALLOC (NULL);
- n_new_loops = fix_loop_structure (changed_bbs);
-
- /* This usually does nothing. But sometimes parts of cfg that originally
- were inside a loop get out of it due to edge removal (since they
- become unreachable by back edges from latch). Also a former
- irreducible loop can become reducible - in this case force a full
- rewrite into loop-closed SSA form. */
- if (loops_state_satisfies_p (LOOP_CLOSED_SSA))
- rewrite_into_loop_closed_ssa (n_new_loops ? NULL : changed_bbs,
- TODO_update_ssa);
-
- BITMAP_FREE (changed_bbs);
-
- checking_verify_loop_structure ();
- scev_reset ();
-
- timevar_pop (TV_REPAIR_LOOPS);
-}
-
-/* Cleanup cfg and repair loop structures. */
-
-bool
-cleanup_tree_cfg (unsigned ssa_update_flags)
-{
- bool changed = cleanup_tree_cfg_noloop (ssa_update_flags);
-
- if (current_loops != NULL
- && loops_state_satisfies_p (LOOPS_NEED_FIXUP))
- repair_loop_structures ();
-
- return changed;
-}
-
-/* Tries to merge the PHI nodes at BB into those at BB's sole successor.
- Returns true if successful. */
-
-static bool
-remove_forwarder_block_with_phi (basic_block bb)
-{
- edge succ = single_succ_edge (bb);
- basic_block dest = succ->dest;
- gimple *label;
- basic_block dombb, domdest, dom;
-
- /* We check for infinite loops already in tree_forwarder_block_p.
- However it may happen that the infinite loop is created
- afterwards due to removal of forwarders. */
- if (dest == bb)
- return false;
-
- /* Removal of forwarders may expose new natural loops and thus
- a block may turn into a loop header. */
- if (current_loops && bb_loop_header_p (bb))
- return false;
-
- /* If the destination block consists of a nonlocal label, do not
- merge it. */
- label = first_stmt (dest);
- if (label)
- if (glabel *label_stmt = dyn_cast <glabel *> (label))
- if (DECL_NONLOCAL (gimple_label_label (label_stmt)))
- return false;
-
- /* Record BB's single pred in case we need to update the father
- loop's latch information later. */
- basic_block pred = NULL;
- if (single_pred_p (bb))
- pred = single_pred (bb);
- bool dest_single_pred_p = single_pred_p (dest);
-
- /* Redirect each incoming edge to BB to DEST. */
- while (EDGE_COUNT (bb->preds) > 0)
- {
- edge e = EDGE_PRED (bb, 0), s;
- gphi_iterator gsi;
-
- s = find_edge (e->src, dest);
- if (s)
- {
- /* We already have an edge S from E->src to DEST. If S and
- E->dest's sole successor edge have the same PHI arguments
- at DEST, redirect S to DEST. */
- if (phi_alternatives_equal (dest, s, succ))
- {
- e = redirect_edge_and_branch (e, dest);
- redirect_edge_var_map_clear (e);
- continue;
- }
-
- /* PHI arguments are different. Create a forwarder block by
- splitting E so that we can merge PHI arguments on E to
- DEST. */
- e = single_succ_edge (split_edge (e));
- }
- else
- {
- /* If we merge the forwarder into a loop header verify if we
- are creating another loop latch edge. If so, reset
- number of iteration information of the loop. */
- if (dest->loop_father->header == dest
- && dominated_by_p (CDI_DOMINATORS, e->src, dest))
- {
- dest->loop_father->any_upper_bound = false;
- dest->loop_father->any_likely_upper_bound = false;
- free_numbers_of_iterations_estimates (dest->loop_father);
- }
- }
-
- s = redirect_edge_and_branch (e, dest);
-
- /* redirect_edge_and_branch must not create a new edge. */
- gcc_assert (s == e);
-
- /* Add to the PHI nodes at DEST each PHI argument removed at the
- destination of E. */
- for (gsi = gsi_start_phis (dest);
- !gsi_end_p (gsi);
- gsi_next (&gsi))
- {
- gphi *phi = gsi.phi ();
- tree def = gimple_phi_arg_def (phi, succ->dest_idx);
- location_t locus = gimple_phi_arg_location_from_edge (phi, succ);
-
- if (TREE_CODE (def) == SSA_NAME)
- {
- /* If DEF is one of the results of PHI nodes removed during
- redirection, replace it with the PHI argument that used
- to be on E. */
- vec<edge_var_map> *head = redirect_edge_var_map_vector (e);
- size_t length = head ? head->length () : 0;
- for (size_t i = 0; i < length; i++)
- {
- edge_var_map *vm = &(*head)[i];
- tree old_arg = redirect_edge_var_map_result (vm);
- tree new_arg = redirect_edge_var_map_def (vm);
-
- if (def == old_arg)
- {
- def = new_arg;
- locus = redirect_edge_var_map_location (vm);
- break;
- }
- }
- }
-
- add_phi_arg (phi, def, s, locus);
- }
-
- redirect_edge_var_map_clear (e);
- }
-
- /* Move debug statements. Reset them if the destination does not
- have a single predecessor. */
- move_debug_stmts_from_forwarder (bb, dest, dest_single_pred_p);
-
- /* Update the dominators. */
- dombb = get_immediate_dominator (CDI_DOMINATORS, bb);
- domdest = get_immediate_dominator (CDI_DOMINATORS, dest);
- if (domdest == bb)
- {
- /* Shortcut to avoid calling (relatively expensive)
- nearest_common_dominator unless necessary. */
- dom = dombb;
- }
- else
- dom = nearest_common_dominator (CDI_DOMINATORS, domdest, dombb);
-
- set_immediate_dominator (CDI_DOMINATORS, dest, dom);
-
- /* Adjust latch infomation of BB's parent loop as otherwise
- the cfg hook has a hard time not to kill the loop. */
- if (current_loops && bb->loop_father->latch == bb)
- bb->loop_father->latch = pred;
-
- /* Remove BB since all of BB's incoming edges have been redirected
- to DEST. */
- delete_basic_block (bb);
-
- return true;
-}
-
-/* This pass merges PHI nodes if one feeds into another. For example,
- suppose we have the following:
-
- goto <bb 9> (<L9>);
-
-<L8>:;
- tem_17 = foo ();
-
- # tem_6 = PHI <tem_17(8), tem_23(7)>;
-<L9>:;
-
- # tem_3 = PHI <tem_6(9), tem_2(5)>;
-<L10>:;
-
- Then we merge the first PHI node into the second one like so:
-
- goto <bb 9> (<L10>);
-
-<L8>:;
- tem_17 = foo ();
-
- # tem_3 = PHI <tem_23(7), tem_2(5), tem_17(8)>;
-<L10>:;
-*/
-
-namespace {
-
-const pass_data pass_data_merge_phi =
-{
- GIMPLE_PASS, /* type */
- "mergephi", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- TV_TREE_MERGE_PHI, /* tv_id */
- ( PROP_cfg | PROP_ssa ), /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- 0, /* todo_flags_finish */
-};
-
-class pass_merge_phi : public gimple_opt_pass
-{
-public:
- pass_merge_phi (gcc::context *ctxt)
- : gimple_opt_pass (pass_data_merge_phi, ctxt)
- {}
-
- /* opt_pass methods: */
- opt_pass * clone () { return new pass_merge_phi (m_ctxt); }
- virtual unsigned int execute (function *);
-
-}; // class pass_merge_phi
-
-unsigned int
-pass_merge_phi::execute (function *fun)
-{
- basic_block *worklist = XNEWVEC (basic_block, n_basic_blocks_for_fn (fun));
- basic_block *current = worklist;
- basic_block bb;
-
- calculate_dominance_info (CDI_DOMINATORS);
-
- /* Find all PHI nodes that we may be able to merge. */
- FOR_EACH_BB_FN (bb, fun)
- {
- basic_block dest;
-
- /* Look for a forwarder block with PHI nodes. */
- if (!tree_forwarder_block_p (bb, true))
- continue;
-
- dest = single_succ (bb);
-
- /* We have to feed into another basic block with PHI
- nodes. */
- if (gimple_seq_empty_p (phi_nodes (dest))
- /* We don't want to deal with a basic block with
- abnormal edges. */
- || bb_has_abnormal_pred (bb))
- continue;
-
- if (!dominated_by_p (CDI_DOMINATORS, dest, bb))
- {
- /* If BB does not dominate DEST, then the PHI nodes at
- DEST must be the only users of the results of the PHI
- nodes at BB. */
- *current++ = bb;
- }
- else
- {
- gphi_iterator gsi;
- unsigned int dest_idx = single_succ_edge (bb)->dest_idx;
-
- /* BB dominates DEST. There may be many users of the PHI
- nodes in BB. However, there is still a trivial case we
- can handle. If the result of every PHI in BB is used
- only by a PHI in DEST, then we can trivially merge the
- PHI nodes from BB into DEST. */
- for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi);
- gsi_next (&gsi))
- {
- gphi *phi = gsi.phi ();
- tree result = gimple_phi_result (phi);
- use_operand_p imm_use;
- gimple *use_stmt;
-
- /* If the PHI's result is never used, then we can just
- ignore it. */
- if (has_zero_uses (result))
- continue;
-
- /* Get the single use of the result of this PHI node. */
- if (!single_imm_use (result, &imm_use, &use_stmt)
- || gimple_code (use_stmt) != GIMPLE_PHI
- || gimple_bb (use_stmt) != dest
- || gimple_phi_arg_def (use_stmt, dest_idx) != result)
- break;
- }
-
- /* If the loop above iterated through all the PHI nodes
- in BB, then we can merge the PHIs from BB into DEST. */
- if (gsi_end_p (gsi))
- *current++ = bb;
- }
- }
-
- /* Now let's drain WORKLIST. */
- bool changed = false;
- while (current != worklist)
- {
- bb = *--current;
- changed |= remove_forwarder_block_with_phi (bb);
- }
- free (worklist);
-
- /* Removing forwarder blocks can cause formerly irreducible loops
- to become reducible if we merged two entry blocks. */
- if (changed
- && current_loops)
- loops_state_set (LOOPS_NEED_FIXUP);
-
- return 0;
-}
-
-} // anon namespace
-
-gimple_opt_pass *
-make_pass_merge_phi (gcc::context *ctxt)
-{
- return new pass_merge_phi (ctxt);
-}
-
-/* Pass: cleanup the CFG just before expanding trees to RTL.
- This is just a round of label cleanups and case node grouping
- because after the tree optimizers have run such cleanups may
- be necessary. */
-
-static unsigned int
-execute_cleanup_cfg_post_optimizing (void)
-{
- unsigned int todo = execute_fixup_cfg ();
- if (cleanup_tree_cfg ())
- {
- todo &= ~TODO_cleanup_cfg;
- todo |= TODO_update_ssa;
- }
- maybe_remove_unreachable_handlers ();
- cleanup_dead_labels ();
- if (group_case_labels ())
- todo |= TODO_cleanup_cfg;
- if ((flag_compare_debug_opt || flag_compare_debug)
- && flag_dump_final_insns)
- {
- FILE *final_output = fopen (flag_dump_final_insns, "a");
-
- if (!final_output)
- {
- error ("could not open final insn dump file %qs: %m",
- flag_dump_final_insns);
- flag_dump_final_insns = NULL;
- }
- else
- {
- int save_unnumbered = flag_dump_unnumbered;
- int save_noaddr = flag_dump_noaddr;
-
- flag_dump_noaddr = flag_dump_unnumbered = 1;
- fprintf (final_output, "\n");
- dump_enumerated_decls (final_output,
- dump_flags | TDF_SLIM | TDF_NOUID);
- flag_dump_noaddr = save_noaddr;
- flag_dump_unnumbered = save_unnumbered;
- if (fclose (final_output))
- {
- error ("could not close final insn dump file %qs: %m",
- flag_dump_final_insns);
- flag_dump_final_insns = NULL;
- }
- }
- }
- return todo;
-}
-
-namespace {
-
-const pass_data pass_data_cleanup_cfg_post_optimizing =
-{
- GIMPLE_PASS, /* type */
- "optimized", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- TV_TREE_CLEANUP_CFG, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_remove_unused_locals, /* todo_flags_finish */
-};
-
-class pass_cleanup_cfg_post_optimizing : public gimple_opt_pass
-{
-public:
- pass_cleanup_cfg_post_optimizing (gcc::context *ctxt)
- : gimple_opt_pass (pass_data_cleanup_cfg_post_optimizing, ctxt)
- {}
-
- /* opt_pass methods: */
- virtual unsigned int execute (function *)
- {
- return execute_cleanup_cfg_post_optimizing ();
- }
-
-}; // class pass_cleanup_cfg_post_optimizing
-
-} // anon namespace
-
-gimple_opt_pass *
-make_pass_cleanup_cfg_post_optimizing (gcc::context *ctxt)
-{
- return new pass_cleanup_cfg_post_optimizing (ctxt);
-}
-
-
-/* Delete all unreachable basic blocks and update callgraph.
- Doing so is somewhat nontrivial because we need to update all clones and
- remove inline function that become unreachable. */
-
-bool
-delete_unreachable_blocks_update_callgraph (cgraph_node *dst_node,
- bool update_clones)
-{
- bool changed = false;
- basic_block b, next_bb;
-
- find_unreachable_blocks ();
-
- /* Delete all unreachable basic blocks. */
-
- for (b = ENTRY_BLOCK_PTR_FOR_FN (cfun)->next_bb; b
- != EXIT_BLOCK_PTR_FOR_FN (cfun); b = next_bb)
- {
- next_bb = b->next_bb;
-
- if (!(b->flags & BB_REACHABLE))
- {
- gimple_stmt_iterator bsi;
-
- for (bsi = gsi_start_bb (b); !gsi_end_p (bsi); gsi_next (&bsi))
- {
- struct cgraph_edge *e;
- struct cgraph_node *node;
-
- dst_node->remove_stmt_references (gsi_stmt (bsi));
-
- if (gimple_code (gsi_stmt (bsi)) == GIMPLE_CALL
- &&(e = dst_node->get_edge (gsi_stmt (bsi))) != NULL)
- {
- if (!e->inline_failed)
- e->callee->remove_symbol_and_inline_clones (dst_node);
- else
- cgraph_edge::remove (e);
- }
- if (update_clones && dst_node->clones)
- for (node = dst_node->clones; node != dst_node;)
- {
- node->remove_stmt_references (gsi_stmt (bsi));
- if (gimple_code (gsi_stmt (bsi)) == GIMPLE_CALL
- && (e = node->get_edge (gsi_stmt (bsi))) != NULL)
- {
- if (!e->inline_failed)
- e->callee->remove_symbol_and_inline_clones (dst_node);
- else
- cgraph_edge::remove (e);
- }
-
- if (node->clones)
- node = node->clones;
- else if (node->next_sibling_clone)
- node = node->next_sibling_clone;
- else
- {
- while (node != dst_node && !node->next_sibling_clone)
- node = node->clone_of;
- if (node != dst_node)
- node = node->next_sibling_clone;
- }
- }
- }
- delete_basic_block (b);
- changed = true;
- }
- }
-
- return changed;
-}
-
generated by cgit v1.1 at 2025-08-13 00:52:22 +0000