diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/scev-6.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/scev-6.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/scev-6.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/scev-6.c new file mode 100644 index 000000000..3b02374a1 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/scev-6.c @@ -0,0 +1,23 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +int main() +{ + int i; + signed char result = 0; + for (i = 0; i != 8000; ++i) + { + int tem = result; + tem = tem + 2; + result = tem; + } + if (__builtin_abs ((int)(signed char)((unsigned char ) result + 128)) != 0) + __builtin_abort (); + return 0; +} + +/* SCEV constant propagation should be able to compute the overall effect + of the loop. */ + +/* { dg-final { scan-tree-dump-not "abort" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |