diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-perm.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-perm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-perm.c b/gcc/testsuite/gcc.dg/fold-perm.c new file mode 100644 index 0000000..7396c1d --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-perm.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-ccp1" } */ + +typedef int veci __attribute__ ((vector_size (4 * sizeof (int)))); + +void fun (veci *f, veci *g, veci *h) +{ + veci m = { 7, 7, 4, 6 }; + veci n = { 0, 1, 2, 3 }; + veci p = { 1, 1, 7, 6 }; + *h = __builtin_shuffle (*h, *h, p); + *g = __builtin_shuffle (*f, *g, m); + *f = __builtin_shuffle (*f, *g, n); +} + +/* { dg-final { scan-tree-dump "VEC_PERM_EXPR.*{ 3, 3, 0, 2 }" "ccp1" } } */ +/* { dg-final { scan-tree-dump "VEC_PERM_EXPR.*{ 1, 1, 3, 2 }" "ccp1" } } */ +/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 2 "ccp1" } } */ +/* { dg-final { cleanup-tree-dump "ccp1" } } */ |