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vrp92.c: New testcase.

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2014-05-27  Richard Biener  <rguenther@suse.de>

	* gcc.dg/tree-ssa/vrp92.c: New testcase.

From-SVN: r210974
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Richard Biener 2014-05-27 15:00:29 +00:00 committed by Richard Biener
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gcc/testsuite/ChangeLog
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2014-05-27 Richard Biener <rguenther@suse.de>
* gcc.dg/tree-ssa/vrp92.c: New testcase.
2014-05-27 Marek Polacek <polacek@redhat.com>
PR testsuite/61319

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gcc/testsuite/gcc.dg/tree-ssa/vrp92.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1-details" } */
void bar (void);
int foo (int i, int j)
{
int res = 1;
if (i < j)
{
/* We should be able to simplify the following conditional
during propagation. */
if (i > j)
res = 0;
}
/* And compute res as having a value-range of [1,1]. */
if (res)
return i;
return j;
}
/* { dg-final { scan-tree-dump "res_.: \\\[1, 1\\\]" "vrp1" } } */
/* { dg-final { scan-tree-dump-not "Threaded" "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */