From 3e1123e52f8eca2650efa0bc81768792d328961f Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Thu, 8 Oct 2020 17:15:58 +0200 Subject: 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. --- gcc/tree-nrv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'gcc/tree-nrv.c') 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; -- cgit v1.1