25 lines
519 B
C
25 lines
519 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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int p;
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int r;
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__attribute__ ((noinline))
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static int a(void)
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{
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return p;
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}
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int foo(int argc)
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{
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int q;
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q = a();
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/* We should be able to move the call to a into the if path.
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in a perfect world, we'd actually decide that it can't touch
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r, and not recompute it at all!. */
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if (argc)
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r = 9;
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return q + a();
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}
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/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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