19 lines
397 B
C
19 lines
397 B
C
/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-fre" } */
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/* FRE should be able to combine i and j and perform simplification
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on the condition. */
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extern void link_error (void);
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int i;
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int foo(int b, int c)
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{
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i = b + 1;
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int j = i - 1;
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if (b != j)
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link_error ();
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}
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/* { dg-final { scan-tree-dump-not "link_error" "fre" } } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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