Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { 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"} } */