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backport: pr52734.c: New test. 

2012-04-13  Tom de Vries  <tom@codesourcery.com>

	Backport from mainline r186419.

	2012-04-13  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/pr52734.c: New test.

From-SVN: r186425
This commit is contained in:
Tom de Vries 2012-04-13 16:45:16 +00:00 committed by Tom de Vries
parent bdddd97382
commit 4e7776b3a0
2 changed files with 43 additions and 0 deletions
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8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2012-04-13 Tom de Vries <tom@codesourcery.com>
Backport from mainline r186419.
2012-04-13 Tom de Vries <tom@codesourcery.com>
* gcc.dg/pr52734.c: New test.
2012-04-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52969

35
gcc/testsuite/gcc.dg/pr52734.c Normal file
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/* { dg-do run } */
/* { dg-options "-O2" } */
int bbb = 0;
int __attribute__((noinline,noclone)) aaa(void)
{
++bbb;
return 0;
}
int __attribute__((noinline,noclone)) ccc(void)
{
int ddd;
/* bbb == 0 */
if (aaa())
return bbb;
/* bbb == 1 */
ddd = bbb;
/* bbb == ddd == 1 */
if (aaa ())
return 0;
/* bbb == 2, ddd == 1 */
return ddd;
}
int main(void)
{
if (ccc() != 1)
__builtin_abort();
return 0;
}