diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/reassoc-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/reassoc-6.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-6.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-6.c new file mode 100644 index 000000000..480f7c016 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-6.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-reassoc1" } */ +int main(int a, int b, int c, int d) +{ + /* Should be transformed into a + c + 8 */ + int e = a + 3; + int f = c + 5; + int g = e + f; + return g; +} + +/* We cannot re-associate the additions due to undefined signed overflow. */ + +/* { dg-final { scan-tree-dump-times "\\\+ 8" 1 "reassoc1" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "reassoc1" } } */ |