diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-29.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-29.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-29.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-29.c new file mode 100644 index 00000000000..f2d2c4107ce --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-29.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-details" } */ + +int flag, hoist, y, z; + +void +foo (void) +{ + if (flag) + y = hoist + 4; + else + flag = 888; + z = hoist + 4; + bark (); +} + +/* We should see the partial redundancy of hoist + 4, not being confused + about bark () possibly clobbering hoist. */ + +/* { dg-final { scan-tree-dump "Replaced hoist" "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |
