From 326ddc7954d8a4196275698045c62b6675b68b6c Mon Sep 17 00:00:00 2001 From: hubicka Date: Wed, 29 May 2019 18:13:51 +0000 Subject: [PATCH] * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main variants are pointer equivalent. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271747 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-alias.c | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4452293257c5..a3056bfcafe8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-05-29 Jan Hubicka + + * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main + variants are pointer equivalent. + 2019-05-29 Alejandro Martinez * config/aarch64/aarch64-c.c: Added TARGET_SVE2. diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 33c15f52beba..3ecb337ffdf2 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -787,6 +787,10 @@ same_type_for_tbaa (tree type1, tree type2) type1 = TYPE_MAIN_VARIANT (type1); type2 = TYPE_MAIN_VARIANT (type2); + /* Handle the most common case first. */ + if (type1 == type2) + return 1; + /* If we would have to do structural comparison bail out. */ if (TYPE_STRUCTURAL_EQUALITY_P (type1) || TYPE_STRUCTURAL_EQUALITY_P (type2)) -- 2.39.5