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re PR tree-optimization/13761 ([tree-ssa] component refs to the same struct should not alias)

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2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/13761
	* gcc.dg/tree-ssa/ssa-lim-3.c: New testcase.

From-SVN: r133224
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Richard Guenther 2008-03-14 17:45:20 +00:00 • committed by Richard Biener
parent 896c8b96c5
commit 1c8d19bb9d
2 changed files with 19 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/13761
* gcc.dg/tree-ssa/ssa-lim-3.c: New testcase.
2008-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34172

14
gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-3.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-lim-details -fdump-tree-optimized" } */
struct { int x; int y; } global;
void foo(int n)
{
int i;
for ( i=0; i<n; i++)
global.y += global.x*global.x;
}
/* { dg-final { scan-tree-dump "Executing store motion of global.y" "lim" } } */
/* { dg-final { scan-tree-dump "Moving statement.*global.x.*out of loop 1" "lim" } } */
/* { dg-final { cleanup-tree-dump "lim" } } */