Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-2e.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-vrp1-stats -fdump-tree-dom2-stats" } */ void foo(); void bla(); void bar(); void dont_thread_3 (int nfirst) { int i = 0; int first = 0; do { if (first) foo (); else bar (); first = nfirst; bla (); } while (i++ < 100); } /* Threading through the loop header is not safe here. Peeling off the first iteration then unswitching the loop would be safe. */ /* { dg-final { scan-tree-dump-not "Jumps threaded" "vrp1"} } */ /* { dg-final { scan-tree-dump-not "Jumps threaded" "dom2"} } */