Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-fab1" } */ /* Check that we fold strlen of equally long strings, and that we do not fail to terminate when there is a nontrivial cycle in the corresponding ssa graph. */ extern __SIZE_TYPE__ strlen (const char *); extern void bar (__SIZE_TYPE__); extern int bla (void); void foo(int i) { char *s = "abcde"; if (i) { s = "defgh"; goto middle; } start: bla (); middle: if (bla ()) goto start; bar (strlen (s)); } /* There should be no calls to strlen. */ /* { dg-final { scan-tree-dump-times "strlen" 0 "fab1"} } */