21 lines
605 B
C
21 lines
605 B
C
/* Check that __builtin_unreachable() is a no-return function thus
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causing the dead call to foo() to be removed. The comparison is
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dead too, and should be removed. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-optimized -fdump-rtl-cse1" } */
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void foo (void);
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int
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f (int i)
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{
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if (i > 1)
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__builtin_unreachable();
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if (i > 1)
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foo ();
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return 1;
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}
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/* { dg-final { scan-tree-dump-not "foo" "optimized" } } */
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/* { dg-final { scan-rtl-dump-not "\\(if_then_else" "cse1" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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/* { dg-final { cleanup-rtl-dump "cse1" } } */
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