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| author | Jan Hubicka <jh@suse.cz> | 2020-10-08 17:15:58 +0200 |
|---|---|---|
| committer | Jan Hubicka <jh@suse.cz> | 2020-10-08 17:23:16 +0200 |
| commit | 3e1123e52f8eca2650efa0bc81768792d328961f (patch) | |
| tree | 6d7164bbf9f936430f020bc3ef566542abdbe447 /gcc/tree-ssa-alias.c | |
| parent | 3a9e6ee42acf1e3d00e4391ab1b1a56bb0b32ad2 (diff) | |
| download | gcc-3e1123e52f8eca2650efa0bc81768792d328961f.zip gcc-3e1123e52f8eca2650efa0bc81768792d328961f.tar.gz gcc-3e1123e52f8eca2650efa0bc81768792d328961f.tar.bz2 | |
Disable TBAA in some uses of call_may_clobber_ref_p
* tree-nrv.c (dest_safe_for_nrv_p): Disable tbaa in
call_may_clobber_ref_p and ref_maybe_used_by_stmt_p.
* tree-tailcall.c (find_tail_calls): Likewise.
* tree-ssa-alias.c (call_may_clobber_ref_p): Add tbaa_p parameter.
* tree-ssa-alias.h (call_may_clobber_ref_p): Update prototype.
* tree-ssa-sccvn.c (vn_reference_lookup_3): Pass data->tbaa_p
to call_may_clobber_ref_p_1.
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 9725598..ac7e020 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -3320,12 +3320,12 @@ call_may_clobber_ref_p_1 (gcall *call, ao_ref *ref, bool tbaa_p) return true, otherwise return false. */ bool -call_may_clobber_ref_p (gcall *call, tree ref) +call_may_clobber_ref_p (gcall *call, tree ref, bool tbaa_p) { bool res; ao_ref r; ao_ref_init (&r, ref); - res = call_may_clobber_ref_p_1 (call, &r, true); + res = call_may_clobber_ref_p_1 (call, &r, tbaa_p); if (res) ++alias_stats.call_may_clobber_ref_p_may_alias; else |