diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c new file mode 100644 index 000000000..54970ad80 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +int f(int a, int b) +{ + if (a == 0) + return 0; + if (a != b) + return a; + return a; +} + +/* There should be no ifs as the PHI arguments, we did not + optimize this before because PHI-OPT did not look at + PHIs which have more than two arguments. */ +/* { dg-final { scan-tree-dump-times "if" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |