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re PR tree-optimization/52046 (ICE: verify_gimple failed: invalid operands in ternary operation with -O -fexceptions -fnon-call-exceptions -ftree-vectorize)

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PR tree-optimization/52046
	* tree-vect-patterns.c (check_bool_pattern): Give up if
	a comparison could throw.

	* gcc.dg/pr52046.c: New test.

From-SVN: r183724
This commit is contained in:
Jakub Jelinek 2012-01-30 14:48:37 +01:00 • committed by Jakub Jelinek
parent dd44dcb022
commit 2f32669918
4 changed files with 27 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2012-01-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/52046
* tree-vect-patterns.c (check_bool_pattern): Give up if
a comparison could throw.
PR debug/52048
* tree-ssa-tail-merge.c (local_def): Ignore debug uses.

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2012-01-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/52046
* gcc.dg/pr52046.c: New test.
PR debug/52048
* g++.dg/other/pr52048.C: New test.

14
gcc/testsuite/gcc.dg/pr52046.c Normal file
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@ -0,0 +1,14 @@
/* PR tree-optimization/52046 */
/* { dg-do compile } */
/* { dg-options "-O3 -fexceptions -fnon-call-exceptions" } */
extern float a[], b[], c[], d[];
extern int k[];
void
foo (void)
{
int i;
for (i = 0; i < 1024; ++i)
k[i] = (a[i] < b[i]) | (c[i] < d[i]);
}

7
gcc/tree-vect-patterns.c
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@ -1,5 +1,5 @@
/* Analysis Utilities for Loop Vectorization.
Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
Contributed by Dorit Nuzman <dorit@il.ibm.com>
@ -1967,6 +1967,11 @@ check_bool_pattern (tree var, loop_vec_info loop_vinfo)
{
tree vecitype, comp_vectype;
/* If the comparison can throw, then is_gimple_condexpr will be
false and we can't make a COND_EXPR/VEC_COND_EXPR out of it. */
if (stmt_could_throw_p (def_stmt))
return false;
comp_vectype = get_vectype_for_scalar_type (TREE_TYPE (rhs1));
if (comp_vectype == NULL_TREE)
return false;