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re PR tree-optimization/69214 (ICE (segfault) at -Os on x86_64-linux-gnu in "fail_abnormal_edge_coalesce") 

PR tree-optimization/69214
	* tree-vrp.c (simplify_cond_using_ranges): Don't propagate
	innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
	Formatting fix.

	* gcc.c-torture/compile/pr69214.c: New test.

From-SVN: r232235
This commit is contained in:
Jakub Jelinek 2016-01-11 18:56:39 +01:00 committed by Jakub Jelinek
parent de41ebf5dd
commit 1ebd5558eb
4 changed files with 31 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,5 +1,10 @@
2016-01-11 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69214
* tree-vrp.c (simplify_cond_using_ranges): Don't propagate
innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
Formatting fix.
PR tree-optimization/69207
* tree-vect-slp.c (vect_get_constant_vectors): For
VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2016-01-11 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69214
* gcc.c-torture/compile/pr69214.c: New test.
2016-01-11 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/pr66232-10.c: Do not compile on ia32 target.

17
gcc/testsuite/gcc.c-torture/compile/pr69214.c Normal file
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@ -0,0 +1,17 @@
/* PR tree-optimization/69214 */
extern void bar (void);
extern int __setjmp (char *);
void
foo (char *p)
{
int d = 0;
bar ();
if (__setjmp (p))
return;
long a = d;
d = 8;
if (!a)
bar ();
}

7
gcc/tree-vrp.c
View File

@ -9478,7 +9478,8 @@ simplify_cond_using_ranges (gcond *stmt)
if (TREE_CODE (innerop) == SSA_NAME
&& !POINTER_TYPE_P (TREE_TYPE (innerop))
&& desired_pro_or_demotion_p (TREE_TYPE (innerop), TREE_TYPE (op0)))
&& !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (innerop)
&& desired_pro_or_demotion_p (TREE_TYPE (innerop), TREE_TYPE (op0)))
{
value_range *vr = get_value_range (innerop);
@ -9509,8 +9510,8 @@ simplify_cond_using_ranges (gcond *stmt)
else
location = gimple_location (stmt);
warning_at (location, OPT_Wstrict_overflow,
"assuming signed overflow does not occur when "
"simplifying conditional");
"assuming signed overflow does not occur when "
"simplifying conditional");
}
tree newconst = fold_convert (TREE_TYPE (innerop), op1);