diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c new file mode 100644 index 000000000..8756944b9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +int +foo (int i) +{ + int a, b; + if (i) + a = 3, b = 2; + else + a = 2, b = 3; + return a + b; +} +/* We should detect that a+b is the same along both edges, and replace it with + 5 */ +/* { dg-final { scan-tree-dump-times "Constified: 1" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |