30 lines
731 B
C
30 lines
731 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-thread2-stats -fdump-tree-dom2-stats -fdisable-tree-ethread" } */
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void foo();
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void bla();
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/* In the following case, we should be able to thread edge through
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the loop header. */
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void thread_latch_through_header (void)
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{
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int i = 0;
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int first = 1;
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do
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{
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if (first)
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foo ();
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first = 0;
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bla ();
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} while (i++ < 100);
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}
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/* Threading the latch to a later point in the loop is safe in this
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case. And we want to thread through the header as well. These
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are both caught by threading in DOM. */
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/* { dg-final { scan-tree-dump-not "Jumps threaded" "dom2"} } */
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/* { dg-final { scan-tree-dump-times "Jumps threaded: 1" 1 "thread2"} } */
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