diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-35.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-35.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-35.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-35.c new file mode 100644 index 0000000..1b49445 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-35.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ + +void bar (int *); + +struct X { int a[2]; }; +void foo (struct X *p, int b) +{ + if (b) + bar ((int *)p + 1); + bar (&p->a[1]); +} + +/* We should PRE and hoist &p->a[1] as (int *)p + 1. */ +/* { dg-final { scan-tree-dump "HOIST inserted: 1" "pre" } } */ |