diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr21031.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr21031.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21031.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21031.c new file mode 100644 index 000000000..df200d564 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21031.c @@ -0,0 +1,20 @@ +/* PR tree-optimization/21031 + + Make sure that a != 0 is propagated into the "if" statement. */ + +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-forwprop1-details" } */ + +int +foo (int a) +{ + int b = a != 0; + unsigned char c = b; + if (c) + return 1; + else + return 0; +} + +/* { dg-final { scan-tree-dump-times "Replaced" 2 "forwprop1"} } */ +/* { dg-final { cleanup-tree-dump "forwprop1" } } */ |