diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c new file mode 100644 index 00000000000..6d25c1bb4a5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-forwprop2" } */ + +typedef int vec __attribute__((vector_size (4 * sizeof (int)))); +void f (vec *x1, vec *x2) +{ + vec m = { 1, 2, 3, 0 }; + vec n = { 3, 0, 1, 2 }; + vec y = __builtin_shuffle (*x1, *x2, n); + vec z = __builtin_shuffle (y, m); + *x1 = z; +} + +/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "forwprop2" } } */ +/* { dg-final { cleanup-tree-dump "forwprop2" } } */ |