diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c new file mode 100644 index 000000000..30a06a102 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dce-6.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-cddce1" } */ + +struct object { int field; }; +void o(struct object *); +int globl; +void t(int x) +{ + struct object a, b; + struct object *p; + o(&a); + if (x) + p = &a; + else + p = &b; + p->field = 1; + globl = 0; + return; +} + +/* The global store should not prevent deleting the store to p->field. */ + +/* { dg-final { scan-tree-dump-not "p_.->field" "cddce1" } } */ +/* { dg-final { cleanup-tree-dump "cddce1" } } */ |