diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-39.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-39.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-39.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-39.c new file mode 100644 index 000000000..c1462195c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-39.c @@ -0,0 +1,26 @@ +/* Verify straight-line strength reduction for back-tracing + CAND_ADD for T2 in: + + *PBASE: T1 + *POFFSET: MULT_EXPR (T2, C3) + *PINDEX: C1 + (C2 * C3) + C4 */ + +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-slsr-details" } */ + +typedef int arr_2[50][50]; + +void foo (arr_2 a2, int v1) +{ + int i, j; + + i = v1 + 5; + j = i; + a2 [i] [j++] = i; + a2 [i] [j++] = i; + a2 [i] [i-1] += 1; + return; +} + +/* { dg-final { scan-tree-dump-times "Replacing reference: " 4 "slsr" } } */ +/* { dg-final { cleanup-tree-dump "slsr" } } */ |