Merge branch 'master' into gfortran-testdevel/gfortran-test

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 *);