diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/alias-32.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/alias-32.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-32.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-32.c new file mode 100644 index 00000000000..5d0dcc2937e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-32.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-cddce1" } */ + +int bar (short *p) +{ + int res = *p; + struct { int *q1; int *q2; } q; + q.q1 = __builtin_aligned_alloc (128, 128 * sizeof (int)); + q.q2 = __builtin_aligned_alloc (128, 128 * sizeof (int)); + *q.q1 = 1; + *q.q2 = 2; + return res + *p + *q.q1 + *q.q2; +} + +/* There should be only one load from *p left. All stores and all + other loads should be removed. Likewise the calls to aligned_alloc. */ + +/* { dg-final { scan-tree-dump-times "\\\*\[^ \]" 1 "cddce1" } } */ +/* { dg-final { scan-tree-dump-not "aligned_alloc" "cddce1" } } */ +/* { dg-final { cleanup-tree-dump "cddce1" } } */ |