Makefile.in (OBJS): Add ssa-ccp.o

	* Makefile.in (OBJS): Add ssa-ccp.o
	(ssa-ccp.o): Add dependencies.
	* toplev.c (DFI_ssa_ccp): New dump file enum.
	(dump_file): Add entry for dumping after SSA CCP.
	(flag_ssa_ccp): New flag variable.
	(f_options): Add -fssa-ccp.
	(rest_of_compilation): Run SSA CCP if requested.
	* timevar.def (TV_SSA_CCP): New timevar.
	* ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
	* doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
	Fix minor typo in SSA DCE documentation.
	* doc/invoke.texi: Add documentation for new flag -fssa-ccp.
	Add documentation for new dump option.  Renumber dump files
	appropriately.

	* po/POTFILES.in: Add ssa-ccp.c

From-SVN: r43872

1 files changed, 3 insertions, 1 deletions

diff --git a/gcc/ssa.c b/gcc/ssa.c
index cad10ca..0aeb920 100644
--- a/gcc/ssa.c
+++ b/gcc/ssa.c
@@ -1924,7 +1924,9 @@ mark_phi_and_copy_regs (phi_set)
 	rtx pattern;
 	rtx src;
 
-	if (insn == NULL)
+	if (insn == NULL
+	    || (GET_CODE (insn) == NOTE
+		&& NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED))
 	  continue;
 	pattern = PATTERN (insn);
 	/* Sometimes we get PARALLEL insns.  These aren't phi nodes or