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| author | Jeff Law <law@gcc.gnu.org> | 2001-07-09 13:42:28 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2001-07-09 13:42:28 -0600 |
| commit | 0b47e4c1cdabbb5e7bce3c0358fd82595be2fc60 (patch) | |
| tree | c4f8be2760db2de845dd114a0113faa0df32b41a /gcc/ssa.c | |
| parent | 5222e47075dd80a3ada4a34c2231aef6f7a3231f (diff) | |
| download | gcc-0b47e4c1cdabbb5e7bce3c0358fd82595be2fc60.tar.gz | |
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
Diffstat (limited to 'gcc/ssa.c')
| -rw-r--r-- | gcc/ssa.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/ssa.c b/gcc/ssa.c index cad10ca71a6..0aeb92091f9 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 |