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PR tree-optimization/51799
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
gcc.dg
/
tree-ssa
/
ssa-fre-27.c
1
/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-fre1-details" } */
3
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int *q;
5
void __attribute__((noinline))
6
bar (void)
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{
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*q = 1;
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}
10
int foo(int which_p)
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{
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int x = 0;
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int *i,*j;
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int **p;
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if (which_p)
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p = &i;
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else
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p = &j;
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*p = &x;
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bar ();
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return x;
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}
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/* { dg-final { scan-tree-dump "Replaced x with 0" "fre1" } } */
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/* { dg-final { cleanup-tree-dump "fre1" } } */