diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c new file mode 100644 index 00000000000..4e4ed8c912f --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-dom2-details" } */ +int t(int a) __attribute__ ((const)); +void q (void); +void +threading(int a,int b) +{ + if (t(a)) + { + if (t(a)) + q(); + } +} +/* We should thread the jump twice and eliminate it. Test this in + DOM2, after aliases have been computed. */ +/* { dg-final { scan-tree-dump-times "Replaced.* t " 1 "dom2"} } */ |