diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c new file mode 100644 index 000000000..f25a91064 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */ + +extern void bar(int); + +void +foo (int i, int n) +{ + int a[30]; + int b[30]; + for (; i < n; i++) + a[i] = b[i] = 0; + + while (1) + if (b[0]) + bar (a[i - 1]); +} + +/* We should apply loop distribution and generate 2 memset (0). */ + +/* { dg-final { scan-tree-dump "distributed: split to 0 loops and 2 library calls" "ldist" } } */ +/* { dg-final { scan-tree-dump-times "generated memset zero" 2 "ldist" } } */ +/* { dg-final { cleanup-tree-dump "ldist" } } */ |