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forwprop-1.c: New testcase.

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2007-05-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * gcc.dg/tree-ssa/forwprop-1.c: New testcase.

From-SVN: r124840
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Andrew Pinski 2007-05-18 23:37:06 +00:00 committed by Andrew Pinski
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gcc/testsuite/ChangeLog
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2007-05-18 Andrew Pinski <andrew_pinski@playstation.sony.com>
* gcc.dg/tree-ssa/forwprop-1.c: New testcase.
2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/31628

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gcc/testsuite/gcc.dg/tree-ssa/forwprop-1.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-forwprop" } */
/* We should be able to optimize this to b->t[i] = 1 during
early optimizations. */
struct a
{
int t[10];
};
void f(struct a * b, __SIZE_TYPE__ i)
{
int *c = b->t;
c[i] = 1;
}
/* { dg-final { scan-tree-dump "t\\\[i.*\\\] = 1;" "forwprop1" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump "t\\\[i.*\\\] = 1;" "forwprop2" } } */
/* { dg-final { cleanup-tree-dump "forwprop?" } } */