diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/alias-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/alias-6.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c new file mode 100644 index 000000000..bcc011898 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +struct param { int *a; }; +void foo(struct param *p); +int bar(void) +{ + int a[2]; + struct param p; + a[0] = 1; + a[1] = 1; + p.a = &a[0]; + foo(&p); + return a[0] + *p.a; +} + +/* We need to have both: a load from "a[0]" and a load from "*p.a", + the latter can be an ssa temporary. */ +/* { dg-final { scan-tree-dump "= a.0.;" "optimized" } } */ +/* { dg-final { scan-tree-dump "= \\*\[pD\]" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |