diff options
Diffstat (limited to 'gcc/rtl-ssa/functions.h')
| -rw-r--r-- | gcc/rtl-ssa/functions.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/rtl-ssa/functions.h b/gcc/rtl-ssa/functions.h index 2e20f5e..ba80507 100644 --- a/gcc/rtl-ssa/functions.h +++ b/gcc/rtl-ssa/functions.h @@ -131,8 +131,23 @@ public: // Look for a definition of RESOURCE at INSN. Return the result of the // search as a def_lookup; see the comments there for more details. + // + // NOTE: This is not the function to use if INSN is known to be a real + // instruction (one with an RTL pattern) and if the caller is only + // interested in definitions within INSN itself. In those cases + // it is better to use find_access. def_lookup find_def (resource_info resource, insn_info *insn); + // Search for a use of DEF around non-debug instruction INSN and return the + // result of the search as a use_lookup. See the comment above the class + // for more details about the result means. + // + // NOTE: This is not the function to use if INSN is known to be a real + // instruction (one with an RTL pattern) and if the caller is only + // interested in uses within INSN itself. In those cases it is better + // to use find_access. + use_lookup find_use (set_info *def, insn_info *insn); + // Return an RAII object that owns all temporary RTL SSA memory // allocated during a change attempt. The object should remain in // scope until the change has been aborted or successfully completed. @@ -294,6 +309,7 @@ private: void add_live_out_use (bb_info *, set_info *); set_info *live_out_value (bb_info *, set_info *); + void commit_make_use_available (use_info *); void append_phi (ebb_info *, phi_info *); void remove_phi (phi_info *); |