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tree-ssa-alias.c (same_type_for_tbaa): Return ture if main variants are pointer equivalent.

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* tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
	variants are pointer equivalent.

From-SVN: r271747
This commit is contained in:
Jan Hubicka 2019-05-29 20:13:51 +02:00 • committed by Jan Hubicka
parent 824e57cbf4
commit 01a58e3698
2 changed files with 9 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-05-29 Jan Hubicka <jh@suse.cz>
* tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
variants are pointer equivalent.
2019-05-29 Alejandro Martinez <alejandro.martinezvicente@arm.com>
* config/aarch64/aarch64-c.c: Added TARGET_SVE2.

4
gcc/tree-ssa-alias.c
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@ -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))