aboutsummaryrefslogtreecommitdiff
path: root/gcc/graphite-scop-detection.cc
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/graphite-scop-detection.cc
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/graphite-scop-detection.cc')
-rw-r--r--gcc/graphite-scop-detection.cc1671
1 files changed, 1671 insertions, 0 deletions
diff --git a/gcc/graphite-scop-detection.cc b/gcc/graphite-scop-detection.cc
new file mode 100644
index 0000000..8c0ee99
--- /dev/null
+++ b/gcc/graphite-scop-detection.cc
@@ -0,0 +1,1671 @@
+/* Detection of Static Control Parts (SCoP) for Graphite.
+ Copyright (C) 2009-2022 Free Software Foundation, Inc.
+ Contributed by Sebastian Pop <sebastian.pop@amd.com> and
+ Tobias Grosser <grosser@fim.uni-passau.de>.
+
+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/>. */
+
+#define INCLUDE_ISL
+
+#include "config.h"
+
+#ifdef HAVE_isl
+
+#include "system.h"
+#include "coretypes.h"
+#include "backend.h"
+#include "cfghooks.h"
+#include "domwalk.h"
+#include "tree.h"
+#include "gimple.h"
+#include "ssa.h"
+#include "fold-const.h"
+#include "gimple-iterator.h"
+#include "tree-cfg.h"
+#include "tree-ssa-loop-manip.h"
+#include "tree-ssa-loop-niter.h"
+#include "tree-ssa-loop.h"
+#include "tree-into-ssa.h"
+#include "tree-ssa.h"
+#include "cfgloop.h"
+#include "tree-data-ref.h"
+#include "tree-scalar-evolution.h"
+#include "tree-pass.h"
+#include "tree-ssa-propagate.h"
+#include "gimple-pretty-print.h"
+#include "cfganal.h"
+#include "graphite.h"
+
+class debug_printer
+{
+private:
+ FILE *dump_file;
+
+public:
+ void
+ set_dump_file (FILE *f)
+ {
+ gcc_assert (f);
+ dump_file = f;
+ }
+
+ friend debug_printer &
+ operator<< (debug_printer &output, int i)
+ {
+ fprintf (output.dump_file, "%d", i);
+ return output;
+ }
+ friend debug_printer &
+ operator<< (debug_printer &output, const char *s)
+ {
+ fprintf (output.dump_file, "%s", s);
+ return output;
+ }
+} dp;
+
+#define DEBUG_PRINT(args) do \
+ { \
+ if (dump_file && (dump_flags & TDF_DETAILS)) { args; } \
+ } while (0)
+
+/* Pretty print to FILE all the SCoPs in DOT format and mark them with
+ different colors. If there are not enough colors, paint the
+ remaining SCoPs in gray.
+
+ Special nodes:
+ - "*" after the node number denotes the entry of a SCoP,
+ - "#" after the node number denotes the exit of a SCoP,
+ - "()" around the node number denotes the entry or the
+ exit nodes of the SCOP. These are not part of SCoP. */
+
+DEBUG_FUNCTION void
+dot_all_sese (FILE *file, vec<sese_l>& scops)
+{
+ /* Disable debugging while printing graph. */
+ dump_flags_t tmp_dump_flags = dump_flags;
+ dump_flags = TDF_NONE;
+
+ fprintf (file, "digraph all {\n");
+
+ basic_block bb;
+ FOR_ALL_BB_FN (bb, cfun)
+ {
+ int part_of_scop = false;
+
+ /* Use HTML for every bb label. So we are able to print bbs
+ which are part of two different SCoPs, with two different
+ background colors. */
+ fprintf (file, "%d [label=<\n <TABLE BORDER=\"0\" CELLBORDER=\"1\" ",
+ bb->index);
+ fprintf (file, "CELLSPACING=\"0\">\n");
+
+ /* Select color for SCoP. */
+ sese_l *region;
+ int i;
+ FOR_EACH_VEC_ELT (scops, i, region)
+ {
+ bool sese_in_region = bb_in_sese_p (bb, *region);
+ if (sese_in_region || (region->exit->dest == bb)
+ || (region->entry->dest == bb))
+ {
+ const char *color;
+ switch (i % 17)
+ {
+ case 0: /* red */
+ color = "#e41a1c";
+ break;
+ case 1: /* blue */
+ color = "#377eb8";
+ break;
+ case 2: /* green */
+ color = "#4daf4a";
+ break;
+ case 3: /* purple */
+ color = "#984ea3";
+ break;
+ case 4: /* orange */
+ color = "#ff7f00";
+ break;
+ case 5: /* yellow */
+ color = "#ffff33";
+ break;
+ case 6: /* brown */
+ color = "#a65628";
+ break;
+ case 7: /* rose */
+ color = "#f781bf";
+ break;
+ case 8:
+ color = "#8dd3c7";
+ break;
+ case 9:
+ color = "#ffffb3";
+ break;
+ case 10:
+ color = "#bebada";
+ break;
+ case 11:
+ color = "#fb8072";
+ break;
+ case 12:
+ color = "#80b1d3";
+ break;
+ case 13:
+ color = "#fdb462";
+ break;
+ case 14:
+ color = "#b3de69";
+ break;
+ case 15:
+ color = "#fccde5";
+ break;
+ case 16:
+ color = "#bc80bd";
+ break;
+ default: /* gray */
+ color = "#999999";
+ }
+
+ fprintf (file, " <TR><TD WIDTH=\"50\" BGCOLOR=\"%s\">",
+ color);
+
+ if (!sese_in_region)
+ fprintf (file, " (");
+
+ if (bb == region->entry->dest && bb == region->exit->dest)
+ fprintf (file, " %d*# ", bb->index);
+ else if (bb == region->entry->dest)
+ fprintf (file, " %d* ", bb->index);
+ else if (bb == region->exit->dest)
+ fprintf (file, " %d# ", bb->index);
+ else
+ fprintf (file, " %d ", bb->index);
+
+ fprintf (file, "{lp_%d}", bb->loop_father->num);
+
+ if (!sese_in_region)
+ fprintf (file, ")");
+
+ fprintf (file, "</TD></TR>\n");
+ part_of_scop = true;
+ }
+ }
+
+ if (!part_of_scop)
+ {
+ fprintf (file, " <TR><TD WIDTH=\"50\" BGCOLOR=\"#ffffff\">");
+ fprintf (file, " %d {lp_%d} </TD></TR>\n", bb->index,
+ bb->loop_father->num);
+ }
+ fprintf (file, " </TABLE>>, shape=box, style=\"setlinewidth(0)\"]\n");
+ }
+
+ FOR_ALL_BB_FN (bb, cfun)
+ {
+ edge e;
+ edge_iterator ei;
+ FOR_EACH_EDGE (e, ei, bb->succs)
+ fprintf (file, "%d -> %d;\n", bb->index, e->dest->index);
+ }
+
+ fputs ("}\n\n", file);
+
+ /* Enable debugging again. */
+ dump_flags = tmp_dump_flags;
+}
+
+/* Display SCoP on stderr. */
+
+DEBUG_FUNCTION void
+dot_sese (sese_l& scop)
+{
+ vec<sese_l> scops;
+ scops.create (1);
+
+ if (scop)
+ scops.safe_push (scop);
+
+ dot_all_sese (stderr, scops);
+
+ scops.release ();
+}
+
+DEBUG_FUNCTION void
+dot_cfg ()
+{
+ vec<sese_l> scops;
+ scops.create (1);
+ dot_all_sese (stderr, scops);
+ scops.release ();
+}
+
+/* Returns a COND_EXPR statement when BB has a single predecessor, the
+ edge between BB and its predecessor is not a loop exit edge, and
+ the last statement of the single predecessor is a COND_EXPR. */
+
+static gcond *
+single_pred_cond_non_loop_exit (basic_block bb)
+{
+ if (single_pred_p (bb))
+ {
+ edge e = single_pred_edge (bb);
+ basic_block pred = e->src;
+ gimple *stmt;
+
+ if (loop_depth (pred->loop_father) > loop_depth (bb->loop_father))
+ return NULL;
+
+ stmt = last_stmt (pred);
+
+ if (stmt && gimple_code (stmt) == GIMPLE_COND)
+ return as_a<gcond *> (stmt);
+ }
+
+ return NULL;
+}
+
+namespace
+{
+
+/* Build the maximal scop containing LOOPs and add it to SCOPS. */
+
+class scop_detection
+{
+public:
+ scop_detection () : scops (vNULL) {}
+
+ ~scop_detection ()
+ {
+ scops.release ();
+ }
+
+ /* A marker for invalid sese_l. */
+ static sese_l invalid_sese;
+
+ /* Return the SCOPS in this SCOP_DETECTION. */
+
+ vec<sese_l>
+ get_scops ()
+ {
+ return scops;
+ }
+
+ /* Return an sese_l around the LOOP. */
+
+ sese_l get_sese (loop_p loop);
+
+ /* Merge scops at same loop depth and returns the new sese.
+ Returns a new SESE when merge was successful, INVALID_SESE otherwise. */
+
+ sese_l merge_sese (sese_l first, sese_l second) const;
+
+ /* Build scop outer->inner if possible. */
+
+ void build_scop_depth (loop_p loop);
+
+ /* Return true when BEGIN is the preheader edge of a loop with a single exit
+ END. */
+
+ static bool region_has_one_loop (sese_l s);
+
+ /* Add to SCOPS a scop starting at SCOP_BEGIN and ending at SCOP_END. */
+
+ void add_scop (sese_l s);
+
+ /* Returns true if S1 subsumes/surrounds S2. */
+ static bool subsumes (sese_l s1, sese_l s2);
+
+ /* Remove a SCoP which is subsumed by S1. */
+ void remove_subscops (sese_l s1);
+
+ /* Returns true if S1 intersects with S2. Since we already know that S1 does
+ not subsume S2 or vice-versa, we only check for entry bbs. */
+
+ static bool intersects (sese_l s1, sese_l s2);
+
+ /* Remove one of the scops when it intersects with any other. */
+
+ void remove_intersecting_scops (sese_l s1);
+
+ /* Return true when a statement in SCOP cannot be represented by Graphite. */
+
+ bool harmful_loop_in_region (sese_l scop) const;
+
+ /* Return true only when STMT is simple enough for being handled by Graphite.
+ This depends on SCOP, as the parameters are initialized relatively to
+ this basic block, the linear functions are initialized based on the
+ outermost loop containing STMT inside the SCOP. BB is the place where we
+ try to evaluate the STMT. */
+
+ bool stmt_simple_for_scop_p (sese_l scop, gimple *stmt,
+ basic_block bb) const;
+
+ /* Something like "n * m" is not allowed. */
+
+ static bool graphite_can_represent_init (tree e);
+
+ /* Return true when SCEV can be represented in the polyhedral model.
+
+ An expression can be represented, if it can be expressed as an
+ affine expression. For loops (i, j) and parameters (m, n) all
+ affine expressions are of the form:
+
+ x1 * i + x2 * j + x3 * m + x4 * n + x5 * 1 where x1..x5 element of Z
+
+ 1 i + 20 j + (-2) m + 25
+
+ Something like "i * n" or "n * m" is not allowed. */
+
+ static bool graphite_can_represent_scev (sese_l scop, tree scev);
+
+ /* Return true when EXPR can be represented in the polyhedral model.
+
+ This means an expression can be represented, if it is linear with respect
+ to the loops and the strides are non parametric. LOOP is the place where
+ the expr will be evaluated. SCOP defines the region we analyse. */
+
+ static bool graphite_can_represent_expr (sese_l scop, loop_p loop,
+ tree expr);
+
+ /* Return true if the data references of STMT can be represented by Graphite.
+ We try to analyze the data references in a loop contained in the SCOP. */
+
+ static bool stmt_has_simple_data_refs_p (sese_l scop, gimple *stmt);
+
+ /* Remove the close phi node at GSI and replace its rhs with the rhs
+ of PHI. */
+
+ static void remove_duplicate_close_phi (gphi *phi, gphi_iterator *gsi);
+
+ /* Returns true when Graphite can represent LOOP in SCOP.
+ FIXME: For the moment, graphite cannot be used on loops that iterate using
+ induction variables that wrap. */
+
+ static bool can_represent_loop (loop_p loop, sese_l scop);
+
+ /* Returns the number of pbbs that are in loops contained in SCOP. */
+
+ static int nb_pbbs_in_loops (scop_p scop);
+
+private:
+ vec<sese_l> scops;
+};
+
+sese_l scop_detection::invalid_sese (NULL, NULL);
+
+/* Return an sese_l around the LOOP. */
+
+sese_l
+scop_detection::get_sese (loop_p loop)
+{
+ if (!loop)
+ return invalid_sese;
+
+ edge scop_begin = loop_preheader_edge (loop);
+ edge scop_end = single_exit (loop);
+ if (!scop_end || (scop_end->flags & (EDGE_COMPLEX|EDGE_FAKE)))
+ return invalid_sese;
+
+ return sese_l (scop_begin, scop_end);
+}
+
+/* Merge scops at same loop depth and returns the new sese.
+ Returns a new SESE when merge was successful, INVALID_SESE otherwise. */
+
+sese_l
+scop_detection::merge_sese (sese_l first, sese_l second) const
+{
+ /* In the trivial case first/second may be NULL. */
+ if (!first)
+ return second;
+ if (!second)
+ return first;
+
+ DEBUG_PRINT (dp << "[scop-detection] try merging sese s1: ";
+ print_sese (dump_file, first);
+ dp << "[scop-detection] try merging sese s2: ";
+ print_sese (dump_file, second));
+
+ auto_bitmap worklist, in_sese_region;
+ bitmap_set_bit (worklist, get_entry_bb (first)->index);
+ bitmap_set_bit (worklist, get_exit_bb (first)->index);
+ bitmap_set_bit (worklist, get_entry_bb (second)->index);
+ bitmap_set_bit (worklist, get_exit_bb (second)->index);
+ edge entry = NULL, exit = NULL;
+
+ /* We can optimize the case of adding a loop entry dest or exit
+ src to the worklist (for single-exit loops) by skipping
+ directly to the exit dest / entry src. in_sese_region
+ doesn't have to cover all blocks in the region but merely
+ its border it acts more like a visited bitmap. */
+ do
+ {
+ int index = bitmap_first_set_bit (worklist);
+ bitmap_clear_bit (worklist, index);
+ basic_block bb = BASIC_BLOCK_FOR_FN (cfun, index);
+ edge_iterator ei;
+ edge e;
+
+ /* With fake exit edges we can end up with no possible exit. */
+ if (index == EXIT_BLOCK)
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] cannot merge seses.\n");
+ return invalid_sese;
+ }
+
+ bitmap_set_bit (in_sese_region, bb->index);
+
+ basic_block dom = get_immediate_dominator (CDI_DOMINATORS, bb);
+ FOR_EACH_EDGE (e, ei, bb->preds)
+ if (e->src == dom
+ && (! entry
+ || dominated_by_p (CDI_DOMINATORS, entry->dest, bb)))
+ {
+ if (entry
+ && ! bitmap_bit_p (in_sese_region, entry->src->index))
+ bitmap_set_bit (worklist, entry->src->index);
+ entry = e;
+ }
+ else if (! bitmap_bit_p (in_sese_region, e->src->index))
+ bitmap_set_bit (worklist, e->src->index);
+
+ basic_block pdom = get_immediate_dominator (CDI_POST_DOMINATORS, bb);
+ FOR_EACH_EDGE (e, ei, bb->succs)
+ if (e->dest == pdom
+ && (! exit
+ || dominated_by_p (CDI_POST_DOMINATORS, exit->src, bb)))
+ {
+ if (exit
+ && ! bitmap_bit_p (in_sese_region, exit->dest->index))
+ bitmap_set_bit (worklist, exit->dest->index);
+ exit = e;
+ }
+ else if (! bitmap_bit_p (in_sese_region, e->dest->index))
+ bitmap_set_bit (worklist, e->dest->index);
+ }
+ while (! bitmap_empty_p (worklist));
+
+ sese_l combined (entry, exit);
+
+ DEBUG_PRINT (dp << "[merged-sese] s1: "; print_sese (dump_file, combined));
+
+ return combined;
+}
+
+/* Build scop outer->inner if possible. */
+
+void
+scop_detection::build_scop_depth (loop_p loop)
+{
+ sese_l s = invalid_sese;
+ loop = loop->inner;
+ while (loop)
+ {
+ sese_l next = get_sese (loop);
+ if (! next
+ || harmful_loop_in_region (next))
+ {
+ if (s)
+ add_scop (s);
+ build_scop_depth (loop);
+ s = invalid_sese;
+ }
+ else if (! s)
+ s = next;
+ else
+ {
+ sese_l combined = merge_sese (s, next);
+ if (! combined
+ || harmful_loop_in_region (combined))
+ {
+ add_scop (s);
+ s = next;
+ }
+ else
+ s = combined;
+ }
+ loop = loop->next;
+ }
+ if (s)
+ add_scop (s);
+}
+
+/* Returns true when Graphite can represent LOOP in SCOP.
+ FIXME: For the moment, graphite cannot be used on loops that iterate using
+ induction variables that wrap. */
+
+bool
+scop_detection::can_represent_loop (loop_p loop, sese_l scop)
+{
+ tree niter;
+ struct tree_niter_desc niter_desc;
+
+ /* We can only handle do {} while () style loops correctly. */
+ edge exit = single_exit (loop);
+ if (!exit
+ || !single_pred_p (loop->latch)
+ || exit->src != single_pred (loop->latch)
+ || !empty_block_p (loop->latch))
+ return false;
+
+ return !(loop_preheader_edge (loop)->flags & EDGE_IRREDUCIBLE_LOOP)
+ && number_of_iterations_exit (loop, single_exit (loop), &niter_desc, false)
+ && niter_desc.control.no_overflow
+ && (niter = number_of_latch_executions (loop))
+ && !chrec_contains_undetermined (niter)
+ && graphite_can_represent_expr (scop, loop, niter);
+}
+
+/* Return true when BEGIN is the preheader edge of a loop with a single exit
+ END. */
+
+bool
+scop_detection::region_has_one_loop (sese_l s)
+{
+ edge begin = s.entry;
+ edge end = s.exit;
+ /* Check for a single perfectly nested loop. */
+ if (begin->dest->loop_father->inner)
+ return false;
+
+ /* Otherwise, check whether we have adjacent loops. */
+ return (single_pred_p (end->src)
+ && begin->dest->loop_father == single_pred (end->src)->loop_father);
+}
+
+/* Add to SCOPS a scop starting at SCOP_BEGIN and ending at SCOP_END. */
+
+void
+scop_detection::add_scop (sese_l s)
+{
+ gcc_assert (s);
+
+ /* If the exit edge is fake discard the SCoP for now as we're removing the
+ fake edges again after analysis. */
+ if (s.exit->flags & EDGE_FAKE)
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] Discarding infinite loop SCoP: ";
+ print_sese (dump_file, s));
+ return;
+ }
+
+ /* Include the BB with the loop-closed SSA PHI nodes, we need this
+ block in the region for code-generating out-of-SSA copies.
+ canonicalize_loop_closed_ssa makes sure that is in proper shape. */
+ if (s.exit->dest != EXIT_BLOCK_PTR_FOR_FN (cfun)
+ && loop_exit_edge_p (s.exit->src->loop_father, s.exit))
+ {
+ gcc_assert (single_pred_p (s.exit->dest)
+ && single_succ_p (s.exit->dest)
+ && sese_trivially_empty_bb_p (s.exit->dest));
+ s.exit = single_succ_edge (s.exit->dest);
+ }
+
+ /* Do not add scops with only one loop. */
+ if (region_has_one_loop (s))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] Discarding one loop SCoP: ";
+ print_sese (dump_file, s));
+ return;
+ }
+
+ if (get_exit_bb (s) == EXIT_BLOCK_PTR_FOR_FN (cfun))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Discarding SCoP exiting to return: ";
+ print_sese (dump_file, s));
+ return;
+ }
+
+ /* Remove all the scops which are subsumed by s. */
+ remove_subscops (s);
+
+ /* Remove intersecting scops. FIXME: It will be a good idea to keep
+ the non-intersecting part of the scop already in the list. */
+ remove_intersecting_scops (s);
+
+ scops.safe_push (s);
+ DEBUG_PRINT (dp << "[scop-detection] Adding SCoP: "; print_sese (dump_file, s));
+}
+
+/* Return true when a statement in SCOP cannot be represented by Graphite. */
+
+bool
+scop_detection::harmful_loop_in_region (sese_l scop) const
+{
+ basic_block exit_bb = get_exit_bb (scop);
+ basic_block entry_bb = get_entry_bb (scop);
+
+ DEBUG_PRINT (dp << "[checking-harmful-bbs] ";
+ print_sese (dump_file, scop));
+ gcc_assert (dominated_by_p (CDI_DOMINATORS, exit_bb, entry_bb));
+
+ auto_vec<basic_block> worklist;
+ auto_bitmap loops;
+
+ worklist.safe_push (entry_bb);
+ while (! worklist.is_empty ())
+ {
+ basic_block bb = worklist.pop ();
+ DEBUG_PRINT (dp << "Visiting bb_" << bb->index << "\n");
+
+ /* The basic block should not be part of an irreducible loop. */
+ if (bb->flags & BB_IRREDUCIBLE_LOOP)
+ return true;
+
+ /* Check for unstructured control flow: CFG not generated by structured
+ if-then-else. */
+ if (bb->succs->length () > 1)
+ {
+ edge e;
+ edge_iterator ei;
+ FOR_EACH_EDGE (e, ei, bb->succs)
+ if (!dominated_by_p (CDI_POST_DOMINATORS, bb, e->dest)
+ && !dominated_by_p (CDI_DOMINATORS, e->dest, bb))
+ return true;
+ }
+
+ /* Collect all loops in the current region. */
+ loop_p loop = bb->loop_father;
+ if (loop_in_sese_p (loop, scop))
+ bitmap_set_bit (loops, loop->num);
+
+ /* Check for harmful statements in basic blocks part of the region. */
+ for (gimple_stmt_iterator gsi = gsi_start_bb (bb);
+ !gsi_end_p (gsi); gsi_next (&gsi))
+ if (!stmt_simple_for_scop_p (scop, gsi_stmt (gsi), bb))
+ return true;
+
+ for (basic_block dom = first_dom_son (CDI_DOMINATORS, bb);
+ dom;
+ dom = next_dom_son (CDI_DOMINATORS, dom))
+ if (dom != scop.exit->dest)
+ worklist.safe_push (dom);
+ }
+
+ /* Go through all loops and check that they are still valid in the combined
+ scop. */
+ unsigned j;
+ bitmap_iterator bi;
+ EXECUTE_IF_SET_IN_BITMAP (loops, 0, j, bi)
+ {
+ loop_p loop = (*current_loops->larray)[j];
+ gcc_assert (loop->num == (int) j);
+
+ /* Check if the loop nests are to be optimized for speed. */
+ if (! loop->inner
+ && ! optimize_loop_for_speed_p (loop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] loop_"
+ << loop->num << " is not on a hot path.\n");
+ return true;
+ }
+
+ if (! can_represent_loop (loop, scop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] cannot represent loop_"
+ << loop->num << "\n");
+ return true;
+ }
+
+ /* Check if all loop nests have at least one data reference.
+ ??? This check is expensive and loops premature at this point.
+ If important to retain we can pre-compute this for all innermost
+ loops and reject those when we build a SESE region for a loop
+ during SESE discovery. */
+ if (! loop->inner
+ && ! loop_nest_has_data_refs (loop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] loop_" << loop->num
+ << "does not have any data reference.\n");
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/* Returns true if S1 subsumes/surrounds S2. */
+bool
+scop_detection::subsumes (sese_l s1, sese_l s2)
+{
+ if (dominated_by_p (CDI_DOMINATORS, get_entry_bb (s2),
+ get_entry_bb (s1))
+ && dominated_by_p (CDI_POST_DOMINATORS, s2.exit->dest,
+ s1.exit->dest))
+ return true;
+ return false;
+}
+
+/* Remove a SCoP which is subsumed by S1. */
+void
+scop_detection::remove_subscops (sese_l s1)
+{
+ int j;
+ sese_l *s2;
+ FOR_EACH_VEC_ELT_REVERSE (scops, j, s2)
+ {
+ if (subsumes (s1, *s2))
+ {
+ DEBUG_PRINT (dp << "Removing sub-SCoP";
+ print_sese (dump_file, *s2));
+ scops.unordered_remove (j);
+ }
+ }
+}
+
+/* Returns true if S1 intersects with S2. Since we already know that S1 does
+ not subsume S2 or vice-versa, we only check for entry bbs. */
+
+bool
+scop_detection::intersects (sese_l s1, sese_l s2)
+{
+ if (dominated_by_p (CDI_DOMINATORS, get_entry_bb (s2),
+ get_entry_bb (s1))
+ && !dominated_by_p (CDI_DOMINATORS, get_entry_bb (s2),
+ get_exit_bb (s1)))
+ return true;
+ if ((s1.exit == s2.entry) || (s2.exit == s1.entry))
+ return true;
+
+ return false;
+}
+
+/* Remove one of the scops when it intersects with any other. */
+
+void
+scop_detection::remove_intersecting_scops (sese_l s1)
+{
+ int j;
+ sese_l *s2;
+ FOR_EACH_VEC_ELT_REVERSE (scops, j, s2)
+ {
+ if (intersects (s1, *s2))
+ {
+ DEBUG_PRINT (dp << "Removing intersecting SCoP";
+ print_sese (dump_file, *s2);
+ dp << "Intersects with:";
+ print_sese (dump_file, s1));
+ scops.unordered_remove (j);
+ }
+ }
+}
+
+/* Something like "n * m" is not allowed. */
+
+bool
+scop_detection::graphite_can_represent_init (tree e)
+{
+ switch (TREE_CODE (e))
+ {
+ case POLYNOMIAL_CHREC:
+ return graphite_can_represent_init (CHREC_LEFT (e))
+ && graphite_can_represent_init (CHREC_RIGHT (e));
+
+ case MULT_EXPR:
+ if (chrec_contains_symbols (TREE_OPERAND (e, 0)))
+ return graphite_can_represent_init (TREE_OPERAND (e, 0))
+ && tree_fits_shwi_p (TREE_OPERAND (e, 1));
+ else
+ return graphite_can_represent_init (TREE_OPERAND (e, 1))
+ && tree_fits_shwi_p (TREE_OPERAND (e, 0));
+
+ case PLUS_EXPR:
+ case POINTER_PLUS_EXPR:
+ case MINUS_EXPR:
+ return graphite_can_represent_init (TREE_OPERAND (e, 0))
+ && graphite_can_represent_init (TREE_OPERAND (e, 1));
+
+ case NEGATE_EXPR:
+ case BIT_NOT_EXPR:
+ CASE_CONVERT:
+ case NON_LVALUE_EXPR:
+ return graphite_can_represent_init (TREE_OPERAND (e, 0));
+
+ default:
+ break;
+ }
+
+ return true;
+}
+
+/* Return true when SCEV can be represented in the polyhedral model.
+
+ An expression can be represented, if it can be expressed as an
+ affine expression. For loops (i, j) and parameters (m, n) all
+ affine expressions are of the form:
+
+ x1 * i + x2 * j + x3 * m + x4 * n + x5 * 1 where x1..x5 element of Z
+
+ 1 i + 20 j + (-2) m + 25
+
+ Something like "i * n" or "n * m" is not allowed. */
+
+bool
+scop_detection::graphite_can_represent_scev (sese_l scop, tree scev)
+{
+ if (chrec_contains_undetermined (scev))
+ return false;
+
+ switch (TREE_CODE (scev))
+ {
+ case NEGATE_EXPR:
+ case BIT_NOT_EXPR:
+ CASE_CONVERT:
+ case NON_LVALUE_EXPR:
+ return graphite_can_represent_scev (scop, TREE_OPERAND (scev, 0));
+
+ case PLUS_EXPR:
+ case POINTER_PLUS_EXPR:
+ case MINUS_EXPR:
+ return graphite_can_represent_scev (scop, TREE_OPERAND (scev, 0))
+ && graphite_can_represent_scev (scop, TREE_OPERAND (scev, 1));
+
+ case MULT_EXPR:
+ return !CONVERT_EXPR_CODE_P (TREE_CODE (TREE_OPERAND (scev, 0)))
+ && !CONVERT_EXPR_CODE_P (TREE_CODE (TREE_OPERAND (scev, 1)))
+ && !(chrec_contains_symbols (TREE_OPERAND (scev, 0))
+ && chrec_contains_symbols (TREE_OPERAND (scev, 1)))
+ && graphite_can_represent_init (scev)
+ && graphite_can_represent_scev (scop, TREE_OPERAND (scev, 0))
+ && graphite_can_represent_scev (scop, TREE_OPERAND (scev, 1));
+
+ case POLYNOMIAL_CHREC:
+ /* Check for constant strides. With a non constant stride of
+ 'n' we would have a value of 'iv * n'. Also check that the
+ initial value can represented: for example 'n * m' cannot be
+ represented. */
+ gcc_assert (loop_in_sese_p (get_loop (cfun,
+ CHREC_VARIABLE (scev)), scop));
+ if (!evolution_function_right_is_integer_cst (scev)
+ || !graphite_can_represent_init (scev))
+ return false;
+ return graphite_can_represent_scev (scop, CHREC_LEFT (scev));
+
+ case ADDR_EXPR:
+ /* We cannot encode addresses for ISL. */
+ return false;
+
+ default:
+ break;
+ }
+
+ /* Only affine functions can be represented. */
+ if (tree_contains_chrecs (scev, NULL) || !scev_is_linear_expression (scev))
+ return false;
+
+ return true;
+}
+
+/* Return true when EXPR can be represented in the polyhedral model.
+
+ This means an expression can be represented, if it is linear with respect to
+ the loops and the strides are non parametric. LOOP is the place where the
+ expr will be evaluated. SCOP defines the region we analyse. */
+
+bool
+scop_detection::graphite_can_represent_expr (sese_l scop, loop_p loop,
+ tree expr)
+{
+ tree scev = cached_scalar_evolution_in_region (scop, loop, expr);
+ return graphite_can_represent_scev (scop, scev);
+}
+
+/* Return true if the data references of STMT can be represented by Graphite.
+ We try to analyze the data references in a loop contained in the SCOP. */
+
+bool
+scop_detection::stmt_has_simple_data_refs_p (sese_l scop, gimple *stmt)
+{
+ edge nest = scop.entry;
+ loop_p loop = loop_containing_stmt (stmt);
+ if (!loop_in_sese_p (loop, scop))
+ loop = NULL;
+
+ auto_vec<data_reference_p> drs;
+ if (! graphite_find_data_references_in_stmt (nest, loop, stmt, &drs))
+ return false;
+
+ int j;
+ data_reference_p dr;
+ FOR_EACH_VEC_ELT (drs, j, dr)
+ {
+ for (unsigned i = 0; i < DR_NUM_DIMENSIONS (dr); ++i)
+ if (! graphite_can_represent_scev (scop, DR_ACCESS_FN (dr, i)))
+ return false;
+ }
+
+ return true;
+}
+
+/* GIMPLE_ASM and GIMPLE_CALL may embed arbitrary side effects.
+ Calls have side-effects, except those to const or pure
+ functions. */
+
+static bool
+stmt_has_side_effects (gimple *stmt)
+{
+ if (gimple_has_volatile_ops (stmt)
+ || (gimple_code (stmt) == GIMPLE_CALL
+ && !(gimple_call_flags (stmt) & (ECF_CONST | ECF_PURE)))
+ || (gimple_code (stmt) == GIMPLE_ASM))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Statement has side-effects:\n";
+ print_gimple_stmt (dump_file, stmt, 0, TDF_VOPS | TDF_MEMSYMS));
+ return true;
+ }
+ return false;
+}
+
+/* Return true only when STMT is simple enough for being handled by Graphite.
+ This depends on SCOP, as the parameters are initialized relatively to
+ this basic block, the linear functions are initialized based on the outermost
+ loop containing STMT inside the SCOP. BB is the place where we try to
+ evaluate the STMT. */
+
+bool
+scop_detection::stmt_simple_for_scop_p (sese_l scop, gimple *stmt,
+ basic_block bb) const
+{
+ gcc_assert (scop);
+
+ if (is_gimple_debug (stmt))
+ return true;
+
+ if (stmt_has_side_effects (stmt))
+ return false;
+
+ if (!stmt_has_simple_data_refs_p (scop, stmt))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Graphite cannot handle data-refs in stmt:\n";
+ print_gimple_stmt (dump_file, stmt, 0, TDF_VOPS|TDF_MEMSYMS););
+ return false;
+ }
+
+ switch (gimple_code (stmt))
+ {
+ case GIMPLE_LABEL:
+ return true;
+
+ case GIMPLE_COND:
+ {
+ /* We can handle all binary comparisons. Inequalities are
+ also supported as they can be represented with union of
+ polyhedra. */
+ enum tree_code code = gimple_cond_code (stmt);
+ if (!(code == LT_EXPR
+ || code == GT_EXPR
+ || code == LE_EXPR
+ || code == GE_EXPR
+ || code == EQ_EXPR
+ || code == NE_EXPR))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Graphite cannot handle cond stmt:\n";
+ print_gimple_stmt (dump_file, stmt, 0,
+ TDF_VOPS | TDF_MEMSYMS));
+ return false;
+ }
+
+ loop_p loop = bb->loop_father;
+ for (unsigned i = 0; i < 2; ++i)
+ {
+ tree op = gimple_op (stmt, i);
+ if (!graphite_can_represent_expr (scop, loop, op)
+ /* We can only constrain on integer type. */
+ || ! INTEGRAL_TYPE_P (TREE_TYPE (op)))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Graphite cannot represent stmt:\n";
+ print_gimple_stmt (dump_file, stmt, 0,
+ TDF_VOPS | TDF_MEMSYMS));
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ case GIMPLE_ASSIGN:
+ case GIMPLE_CALL:
+ {
+ tree op, lhs = gimple_get_lhs (stmt);
+ ssa_op_iter i;
+ /* If we are not going to instantiate the stmt do not require
+ its operands to be instantiatable at this point. */
+ if (lhs
+ && TREE_CODE (lhs) == SSA_NAME
+ && scev_analyzable_p (lhs, scop))
+ return true;
+ /* Verify that if we can analyze operands at their def site we
+ also can represent them when analyzed at their uses. */
+ FOR_EACH_SSA_TREE_OPERAND (op, stmt, i, SSA_OP_USE)
+ if (scev_analyzable_p (op, scop)
+ && chrec_contains_undetermined
+ (cached_scalar_evolution_in_region (scop,
+ bb->loop_father, op)))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] "
+ << "Graphite cannot code-gen stmt:\n";
+ print_gimple_stmt (dump_file, stmt, 0,
+ TDF_VOPS | TDF_MEMSYMS));
+ return false;
+ }
+ return true;
+ }
+
+ default:
+ /* These nodes cut a new scope. */
+ DEBUG_PRINT (
+ dp << "[scop-detection-fail] "
+ << "Gimple stmt not handled in Graphite:\n";
+ print_gimple_stmt (dump_file, stmt, 0, TDF_VOPS | TDF_MEMSYMS));
+ return false;
+ }
+}
+
+/* Returns the number of pbbs that are in loops contained in SCOP. */
+
+int
+scop_detection::nb_pbbs_in_loops (scop_p scop)
+{
+ int i;
+ poly_bb_p pbb;
+ int res = 0;
+
+ FOR_EACH_VEC_ELT (scop->pbbs, i, pbb)
+ if (loop_in_sese_p (gbb_loop (PBB_BLACK_BOX (pbb)), scop->scop_info->region))
+ res++;
+
+ return res;
+}
+
+/* Assigns the parameter NAME an index in REGION. */
+
+static void
+assign_parameter_index_in_region (tree name, sese_info_p region)
+{
+ gcc_assert (TREE_CODE (name) == SSA_NAME
+ && ! defined_in_sese_p (name, region->region));
+ int i;
+ tree p;
+ FOR_EACH_VEC_ELT (region->params, i, p)
+ if (p == name)
+ return;
+
+ region->params.safe_push (name);
+}
+
+/* In the context of sese S, scan the expression E and translate it to
+ a linear expression C. When parsing a symbolic multiplication, K
+ represents the constant multiplier of an expression containing
+ parameters. */
+
+static void
+scan_tree_for_params (sese_info_p s, tree e)
+{
+ if (e == chrec_dont_know)
+ return;
+
+ switch (TREE_CODE (e))
+ {
+ case POLYNOMIAL_CHREC:
+ scan_tree_for_params (s, CHREC_LEFT (e));
+ break;
+
+ case MULT_EXPR:
+ if (chrec_contains_symbols (TREE_OPERAND (e, 0)))
+ scan_tree_for_params (s, TREE_OPERAND (e, 0));
+ else
+ scan_tree_for_params (s, TREE_OPERAND (e, 1));
+ break;
+
+ case PLUS_EXPR:
+ case POINTER_PLUS_EXPR:
+ case MINUS_EXPR:
+ scan_tree_for_params (s, TREE_OPERAND (e, 0));
+ scan_tree_for_params (s, TREE_OPERAND (e, 1));
+ break;
+
+ case NEGATE_EXPR:
+ case BIT_NOT_EXPR:
+ CASE_CONVERT:
+ case NON_LVALUE_EXPR:
+ scan_tree_for_params (s, TREE_OPERAND (e, 0));
+ break;
+
+ case SSA_NAME:
+ assign_parameter_index_in_region (e, s);
+ break;
+
+ case INTEGER_CST:
+ case ADDR_EXPR:
+ case REAL_CST:
+ case COMPLEX_CST:
+ case VECTOR_CST:
+ break;
+
+ default:
+ gcc_unreachable ();
+ break;
+ }
+}
+
+/* Find parameters with respect to REGION in BB. We are looking in memory
+ access functions, conditions and loop bounds. */
+
+static void
+find_params_in_bb (sese_info_p region, gimple_poly_bb_p gbb)
+{
+ /* Find parameters in the access functions of data references. */
+ int i;
+ data_reference_p dr;
+ FOR_EACH_VEC_ELT (GBB_DATA_REFS (gbb), i, dr)
+ for (unsigned j = 0; j < DR_NUM_DIMENSIONS (dr); j++)
+ scan_tree_for_params (region, DR_ACCESS_FN (dr, j));
+
+ /* Find parameters in conditional statements. */
+ gimple *stmt;
+ FOR_EACH_VEC_ELT (GBB_CONDITIONS (gbb), i, stmt)
+ {
+ loop_p loop = gimple_bb (stmt)->loop_father;
+ tree lhs = cached_scalar_evolution_in_region (region->region, loop,
+ gimple_cond_lhs (stmt));
+ tree rhs = cached_scalar_evolution_in_region (region->region, loop,
+ gimple_cond_rhs (stmt));
+ gcc_assert (!chrec_contains_undetermined (lhs)
+ && !chrec_contains_undetermined (rhs));
+
+ scan_tree_for_params (region, lhs);
+ scan_tree_for_params (region, rhs);
+ }
+}
+
+/* Record the parameters used in the SCOP BBs. A variable is a parameter
+ in a scop if it does not vary during the execution of that scop. */
+
+static void
+find_scop_parameters (scop_p scop)
+{
+ unsigned i;
+ sese_info_p region = scop->scop_info;
+
+ /* Parameters used in loop bounds are processed during gather_bbs. */
+
+ /* Find the parameters used in data accesses. */
+ poly_bb_p pbb;
+ FOR_EACH_VEC_ELT (scop->pbbs, i, pbb)
+ find_params_in_bb (region, PBB_BLACK_BOX (pbb));
+
+ int nbp = sese_nb_params (region);
+ scop_set_nb_params (scop, nbp);
+}
+
+static void
+add_write (vec<tree> *writes, tree def)
+{
+ writes->safe_push (def);
+ DEBUG_PRINT (dp << "Adding scalar write: ";
+ print_generic_expr (dump_file, def);
+ dp << "\nFrom stmt: ";
+ print_gimple_stmt (dump_file,
+ SSA_NAME_DEF_STMT (def), 0));
+}
+
+static void
+add_read (vec<scalar_use> *reads, tree use, gimple *use_stmt)
+{
+ DEBUG_PRINT (dp << "Adding scalar read: ";
+ print_generic_expr (dump_file, use);
+ dp << "\nFrom stmt: ";
+ print_gimple_stmt (dump_file, use_stmt, 0));
+ reads->safe_push (std::make_pair (use_stmt, use));
+}
+
+
+/* Record DEF if it is used in other bbs different than DEF_BB in the SCOP. */
+
+static void
+build_cross_bb_scalars_def (scop_p scop, tree def, basic_block def_bb,
+ vec<tree> *writes)
+{
+ if (!is_gimple_reg (def))
+ return;
+
+ bool scev_analyzable = scev_analyzable_p (def, scop->scop_info->region);
+
+ gimple *use_stmt;
+ imm_use_iterator imm_iter;
+ FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def)
+ /* Do not gather scalar variables that can be analyzed by SCEV as they can
+ be generated out of the induction variables. */
+ if ((! scev_analyzable
+ /* But gather SESE liveouts as we otherwise fail to rewrite their
+ exit PHIs. */
+ || ! bb_in_sese_p (gimple_bb (use_stmt), scop->scop_info->region))
+ && (def_bb != gimple_bb (use_stmt) && !is_gimple_debug (use_stmt)))
+ {
+ add_write (writes, def);
+ break;
+ }
+}
+
+/* Record USE if it is defined in other bbs different than USE_STMT
+ in the SCOP. */
+
+static void
+build_cross_bb_scalars_use (scop_p scop, tree use, gimple *use_stmt,
+ vec<scalar_use> *reads)
+{
+ if (!is_gimple_reg (use))
+ return;
+
+ /* Do not gather scalar variables that can be analyzed by SCEV as they can be
+ generated out of the induction variables. */
+ if (scev_analyzable_p (use, scop->scop_info->region))
+ return;
+
+ gimple *def_stmt = SSA_NAME_DEF_STMT (use);
+ if (gimple_bb (def_stmt) != gimple_bb (use_stmt))
+ add_read (reads, use, use_stmt);
+}
+
+/* Generates a polyhedral black box only if the bb contains interesting
+ information. */
+
+static gimple_poly_bb_p
+try_generate_gimple_bb (scop_p scop, basic_block bb)
+{
+ vec<data_reference_p> drs = vNULL;
+ vec<tree> writes = vNULL;
+ vec<scalar_use> reads = vNULL;
+
+ sese_l region = scop->scop_info->region;
+ edge nest = region.entry;
+ loop_p loop = bb->loop_father;
+ if (!loop_in_sese_p (loop, region))
+ loop = NULL;
+
+ for (gimple_stmt_iterator gsi = gsi_start_bb (bb); !gsi_end_p (gsi);
+ gsi_next (&gsi))
+ {
+ gimple *stmt = gsi_stmt (gsi);
+ if (is_gimple_debug (stmt))
+ continue;
+
+ graphite_find_data_references_in_stmt (nest, loop, stmt, &drs);
+
+ tree def = gimple_get_lhs (stmt);
+ if (def)
+ build_cross_bb_scalars_def (scop, def, gimple_bb (stmt), &writes);
+
+ ssa_op_iter iter;
+ tree use;
+ FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_USE)
+ build_cross_bb_scalars_use (scop, use, stmt, &reads);
+ }
+
+ /* Handle defs and uses in PHIs. Those need special treatment given
+ that we have to present ISL with sth that looks like we've rewritten
+ the IL out-of-SSA. */
+ for (gphi_iterator psi = gsi_start_phis (bb); !gsi_end_p (psi);
+ gsi_next (&psi))
+ {
+ gphi *phi = psi.phi ();
+ tree res = gimple_phi_result (phi);
+ if (virtual_operand_p (res)
+ || scev_analyzable_p (res, scop->scop_info->region))
+ continue;
+ /* To simulate out-of-SSA the block containing the PHI node has
+ reads of the PHI destination. And to preserve SSA dependences
+ we also write to it (the out-of-SSA decl and the SSA result
+ are coalesced for dependence purposes which is good enough). */
+ add_read (&reads, res, phi);
+ add_write (&writes, res);
+ }
+ basic_block bb_for_succs = bb;
+ if (bb_for_succs == bb_for_succs->loop_father->latch
+ && bb_in_sese_p (bb_for_succs, scop->scop_info->region)
+ && sese_trivially_empty_bb_p (bb_for_succs))
+ bb_for_succs = NULL;
+ while (bb_for_succs)
+ {
+ basic_block latch = NULL;
+ edge_iterator ei;
+ edge e;
+ FOR_EACH_EDGE (e, ei, bb_for_succs->succs)
+ {
+ for (gphi_iterator psi = gsi_start_phis (e->dest); !gsi_end_p (psi);
+ gsi_next (&psi))
+ {
+ gphi *phi = psi.phi ();
+ tree res = gimple_phi_result (phi);
+ if (virtual_operand_p (res))
+ continue;
+ /* To simulate out-of-SSA the predecessor of edges into PHI nodes
+ has a copy from the PHI argument to the PHI destination. */
+ if (! scev_analyzable_p (res, scop->scop_info->region))
+ add_write (&writes, res);
+ tree use = PHI_ARG_DEF_FROM_EDGE (phi, e);
+ if (TREE_CODE (use) == SSA_NAME
+ && ! SSA_NAME_IS_DEFAULT_DEF (use)
+ && gimple_bb (SSA_NAME_DEF_STMT (use)) != bb_for_succs
+ && ! scev_analyzable_p (use, scop->scop_info->region))
+ add_read (&reads, use, phi);
+ }
+ if (e->dest == bb_for_succs->loop_father->latch
+ && bb_in_sese_p (e->dest, scop->scop_info->region)
+ && sese_trivially_empty_bb_p (e->dest))
+ latch = e->dest;
+ }
+ /* Handle empty latch block PHIs here, otherwise we confuse ISL
+ with extra conditional code where it then peels off the last
+ iteration just because of that. It would be simplest if we
+ just didn't force simple latches (thus remove the forwarder). */
+ bb_for_succs = latch;
+ }
+
+ /* For the region exit block add reads for all live-out vars. */
+ if (bb == scop->scop_info->region.exit->src)
+ {
+ sese_build_liveouts (scop->scop_info);
+ unsigned i;
+ bitmap_iterator bi;
+ EXECUTE_IF_SET_IN_BITMAP (scop->scop_info->liveout, 0, i, bi)
+ {
+ tree use = ssa_name (i);
+ add_read (&reads, use, NULL);
+ }
+ }
+
+ if (drs.is_empty () && writes.is_empty () && reads.is_empty ())
+ return NULL;
+
+ return new_gimple_poly_bb (bb, drs, reads, writes);
+}
+
+/* Compute alias-sets for all data references in DRS. */
+
+static bool
+build_alias_set (scop_p scop)
+{
+ int num_vertices = scop->drs.length ();
+ struct graph *g = new_graph (num_vertices);
+ dr_info *dr1, *dr2;
+ int i, j;
+ int *all_vertices;
+
+ struct loop *nest
+ = find_common_loop (scop->scop_info->region.entry->dest->loop_father,
+ scop->scop_info->region.exit->src->loop_father);
+
+ FOR_EACH_VEC_ELT (scop->drs, i, dr1)
+ for (j = i+1; scop->drs.iterate (j, &dr2); j++)
+ if (dr_may_alias_p (dr1->dr, dr2->dr, nest))
+ {
+ /* Dependences in the same alias set need to be handled
+ by just looking at DR_ACCESS_FNs. */
+ if (DR_NUM_DIMENSIONS (dr1->dr) == 0
+ || DR_NUM_DIMENSIONS (dr1->dr) != DR_NUM_DIMENSIONS (dr2->dr)
+ || ! operand_equal_p (DR_BASE_OBJECT (dr1->dr),
+ DR_BASE_OBJECT (dr2->dr),
+ OEP_ADDRESS_OF)
+ || ! types_compatible_p (TREE_TYPE (DR_BASE_OBJECT (dr1->dr)),
+ TREE_TYPE (DR_BASE_OBJECT (dr2->dr))))
+ {
+ free_graph (g);
+ return false;
+ }
+ add_edge (g, i, j);
+ add_edge (g, j, i);
+ }
+
+ all_vertices = XNEWVEC (int, num_vertices);
+ for (i = 0; i < num_vertices; i++)
+ all_vertices[i] = i;
+
+ scop->max_alias_set
+ = graphds_dfs (g, all_vertices, num_vertices, NULL, true, NULL) + 1;
+ free (all_vertices);
+
+ for (i = 0; i < g->n_vertices; i++)
+ scop->drs[i].alias_set = g->vertices[i].component + 1;
+
+ free_graph (g);
+ return true;
+}
+
+/* Gather BBs and conditions for a SCOP. */
+class gather_bbs : public dom_walker
+{
+public:
+ gather_bbs (cdi_direction, scop_p, int *);
+
+ virtual edge before_dom_children (basic_block);
+ virtual void after_dom_children (basic_block);
+
+private:
+ auto_vec<gimple *, 3> conditions, cases;
+ scop_p scop;
+};
+}
+gather_bbs::gather_bbs (cdi_direction direction, scop_p scop, int *bb_to_rpo)
+ : dom_walker (direction, ALL_BLOCKS, bb_to_rpo), scop (scop)
+{
+}
+
+/* Call-back for dom_walk executed before visiting the dominated
+ blocks. */
+
+edge
+gather_bbs::before_dom_children (basic_block bb)
+{
+ sese_info_p region = scop->scop_info;
+ if (!bb_in_sese_p (bb, region->region))
+ return dom_walker::STOP;
+
+ /* For loops fully contained in the region record parameters in the
+ loop bounds. */
+ loop_p loop = bb->loop_father;
+ if (loop->header == bb
+ && loop_in_sese_p (loop, region->region))
+ {
+ tree nb_iters = number_of_latch_executions (loop);
+ if (chrec_contains_symbols (nb_iters))
+ {
+ nb_iters = cached_scalar_evolution_in_region (region->region,
+ loop, nb_iters);
+ scan_tree_for_params (region, nb_iters);
+ }
+ }
+
+ if (gcond *stmt = single_pred_cond_non_loop_exit (bb))
+ {
+ edge e = single_pred_edge (bb);
+ /* Make sure the condition is in the region and thus was verified
+ to be handled. */
+ if (e != region->region.entry)
+ {
+ conditions.safe_push (stmt);
+ if (e->flags & EDGE_TRUE_VALUE)
+ cases.safe_push (stmt);
+ else
+ cases.safe_push (NULL);
+ }
+ }
+
+ scop->scop_info->bbs.safe_push (bb);
+
+ gimple_poly_bb_p gbb = try_generate_gimple_bb (scop, bb);
+ if (!gbb)
+ return NULL;
+
+ GBB_CONDITIONS (gbb) = conditions.copy ();
+ GBB_CONDITION_CASES (gbb) = cases.copy ();
+
+ poly_bb_p pbb = new_poly_bb (scop, gbb);
+ scop->pbbs.safe_push (pbb);
+
+ int i;
+ data_reference_p dr;
+ FOR_EACH_VEC_ELT (gbb->data_refs, i, dr)
+ {
+ DEBUG_PRINT (dp << "Adding memory ";
+ if (dr->is_read)
+ dp << "read: ";
+ else
+ dp << "write: ";
+ print_generic_expr (dump_file, dr->ref);
+ dp << "\nFrom stmt: ";
+ print_gimple_stmt (dump_file, dr->stmt, 0));
+
+ scop->drs.safe_push (dr_info (dr, pbb));
+ }
+
+ return NULL;
+}
+
+/* Call-back for dom_walk executed after visiting the dominated
+ blocks. */
+
+void
+gather_bbs::after_dom_children (basic_block bb)
+{
+ if (!bb_in_sese_p (bb, scop->scop_info->region))
+ return;
+
+ if (single_pred_cond_non_loop_exit (bb))
+ {
+ edge e = single_pred_edge (bb);
+ if (e != scop->scop_info->region.entry)
+ {
+ conditions.pop ();
+ cases.pop ();
+ }
+ }
+}
+
+
+/* Compute sth like an execution order, dominator order with first executing
+ edges that stay inside the current loop, delaying processing exit edges. */
+
+static int *bb_to_rpo;
+
+/* Helper for qsort, sorting after order above. */
+
+static int
+cmp_pbbs (const void *pa, const void *pb)
+{
+ poly_bb_p bb1 = *((const poly_bb_p *)pa);
+ poly_bb_p bb2 = *((const poly_bb_p *)pb);
+ if (bb_to_rpo[bb1->black_box->bb->index]
+ < bb_to_rpo[bb2->black_box->bb->index])
+ return -1;
+ else if (bb_to_rpo[bb1->black_box->bb->index]
+ > bb_to_rpo[bb2->black_box->bb->index])
+ return 1;
+ else
+ return 0;
+}
+
+/* Find Static Control Parts (SCoP) in the current function and pushes
+ them to SCOPS. */
+
+void
+build_scops (vec<scop_p> *scops)
+{
+ if (dump_file)
+ dp.set_dump_file (dump_file);
+
+ scop_detection sb;
+ sb.build_scop_depth (current_loops->tree_root);
+
+ /* Now create scops from the lightweight SESEs. */
+ vec<sese_l> scops_l = sb.get_scops ();
+
+ /* Domwalk needs a bb to RPO mapping. Compute it once here. */
+ int *postorder = XNEWVEC (int, n_basic_blocks_for_fn (cfun));
+ int postorder_num = pre_and_rev_post_order_compute (NULL, postorder, true);
+ bb_to_rpo = XNEWVEC (int, last_basic_block_for_fn (cfun));
+ for (int i = 0; i < postorder_num; ++i)
+ bb_to_rpo[postorder[i]] = i;
+ free (postorder);
+
+ int i;
+ sese_l *s;
+ FOR_EACH_VEC_ELT (scops_l, i, s)
+ {
+ scop_p scop = new_scop (s->entry, s->exit);
+
+ /* Record all basic blocks and their conditions in REGION. */
+ gather_bbs (CDI_DOMINATORS, scop, bb_to_rpo).walk (s->entry->dest);
+
+ /* Sort pbbs after execution order for initial schedule generation. */
+ scop->pbbs.qsort (cmp_pbbs);
+
+ if (! build_alias_set (scop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] cannot handle dependences\n");
+ free_scop (scop);
+ continue;
+ }
+
+ /* Do not optimize a scop containing only PBBs that do not belong
+ to any loops. */
+ if (sb.nb_pbbs_in_loops (scop) == 0)
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] no data references.\n");
+ free_scop (scop);
+ continue;
+ }
+
+ unsigned max_arrays = param_graphite_max_arrays_per_scop;
+ if (max_arrays > 0
+ && scop->drs.length () >= max_arrays)
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] too many data references: "
+ << scop->drs.length ()
+ << " is larger than --param graphite-max-arrays-per-scop="
+ << max_arrays << ".\n");
+ free_scop (scop);
+ continue;
+ }
+
+ find_scop_parameters (scop);
+ graphite_dim_t max_dim = param_graphite_max_nb_scop_params;
+ if (max_dim > 0
+ && scop_nb_params (scop) > max_dim)
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] too many parameters: "
+ << scop_nb_params (scop)
+ << " larger than --param graphite-max-nb-scop-params="
+ << max_dim << ".\n");
+ free_scop (scop);
+ continue;
+ }
+
+ scops->safe_push (scop);
+ }
+
+ free (bb_to_rpo);
+ bb_to_rpo = NULL;
+ DEBUG_PRINT (dp << "number of SCoPs: " << (scops ? scops->length () : 0););
+}
+
+#endif /* HAVE_isl */
generated by cgit v1.1 at 2025-03-07 00:25:20 +0000