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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-nrv.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-nrv.c')
| -rw-r--r-- | gcc/tree-nrv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-nrv.c b/gcc/tree-nrv.c index 9d17a10..df757f7 100644 --- a/gcc/tree-nrv.c +++ b/gcc/tree-nrv.c @@ -315,8 +315,8 @@ dest_safe_for_nrv_p (gcall *call) if (TREE_CODE (dest) == SSA_NAME) return true; - if (call_may_clobber_ref_p (call, dest) - || ref_maybe_used_by_stmt_p (call, dest)) + if (call_may_clobber_ref_p (call, dest, false) + || ref_maybe_used_by_stmt_p (call, dest, false)) return false; return true; |