diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/reassoc-11.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/reassoc-11.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-11.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-11.c new file mode 100644 index 000000000..f48f04e99 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-11.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-reassoc1" } */ +int main(int a, int b, int c, int d) +{ + /* All the xor's cancel each other out, leaving 0 */ + int e = (a ^ b) ^ (c ^ d); + int f = (c ^ a) ^ (b ^ d); + return e ^ f; +} +/* { dg-final { scan-tree-dump-times "= 0" 1 "reassoc1"} } */ +/* { dg-final { cleanup-tree-dump "reassoc1" } } */ |