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re PR tree-optimization/89268 (r268689 caused FAIL: gcc.dg/vect/pr79887.c)

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PR tree-optimization/89268
	* tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
	if preds is non-NULL.

	* gcc.dg/vect/pr89268.c: New test.

From-SVN: r268743
This commit is contained in:
Jakub Jelinek 2019-02-10 12:06:58 +01:00 • committed by Jakub Jelinek
parent 4c0d3f7728
commit 79e2c811f8
4 changed files with 20 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-02-10 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/89268
* tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
if preds is non-NULL.
2019-02-09 Jan Hubicka <hubicka@ucw.cz>
PR lto/89272

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2019-02-10 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/89268
* gcc.dg/vect/pr89268.c: New test.
2019-02-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* gnat.dg/lto19.adb: Remove dg-excess-errors.

7
gcc/testsuite/gcc.dg/vect/pr89268.c Normal file
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@ -0,0 +1,7 @@
/* PR tree-optimization/89268 */
/* { dg-do compile } */
/* { dg-require-effective-target vect_condition } */
/* { dg-additional-options "-fno-trapping-math --param vect-epilogues-nomask=1" } */
/* { dg-additional-options "-mavx512ifma -mtune=intel" { target x86_64-*-* i?86-*-* } } */
#include "pr79887.c"

3
gcc/tree-if-conv.c
View file

@ -2760,7 +2760,8 @@ version_loop_for_if_conversion (struct loop *loop, vec<gimple *> *preds)
new_loop->force_vectorize = false;
gsi = gsi_last_bb (cond_bb);
gimple_call_set_arg (g, 1, build_int_cst (integer_type_node, new_loop->num));
preds->safe_push (g);
if (preds)
preds->safe_push (g);
gsi_insert_before (&gsi, g, GSI_SAME_STMT);
update_ssa (TODO_update_ssa);
return new_loop;