From d72c3ec3f65c7e75b9d7149de4eb02701992cdb9 Mon Sep 17 00:00:00 2001 From: Jeffrey A Law Date: Thu, 28 Jun 2001 17:18:36 +0000 Subject: [PATCH] ssa-dce.c (eliminate_dead_code): Remove fake edges from the CFG after dead code elimination is complete. * ssa-dce.c (eliminate_dead_code): Remove fake edges from the CFG after dead code elimination is complete. From-SVN: r43641 --- gcc/ChangeLog | 5 +++++ gcc/ssa-dce.c | 6 +++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cffad14260c..d4022475295 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-dce.c (eliminate_dead_code): Remove fake edges from the + CFG after dead code elimination is complete. + 2001-06-28 Rainer Orth * gthr-posix.h [LIBOBJC]: Add weak definitions of diff --git a/gcc/ssa-dce.c b/gcc/ssa-dce.c index ca0d998070b..1629803b8e8 100644 --- a/gcc/ssa-dce.c +++ b/gcc/ssa-dce.c @@ -39,7 +39,8 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA out-of-date. Edges from some infinite loops to the exit block can be added to - the control-flow graph. + the control-flow graph, but will be removed after this pass is + complete. It Does Not Perform: We decided to not simultaneously perform jump optimization and dead @@ -606,6 +607,9 @@ eliminate_dead_code () delete_insn_bb (insn); }); + /* Remove fake edges from the CFG. */ + remove_fake_edges (); + /* Release allocated memory. */ for (insn = get_insns (); insn != NULL_RTX; insn = NEXT_INSN (insn)) RESURRECT_INSN (insn);