diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-3.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-3.c new file mode 100644 index 000000000..3925f7529 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-3.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +unsigned foo1 (unsigned a, unsigned b) +{ + unsigned i, j, k; + for (i = 0; i != a; i++) + { + j += 4*b; + k += 4*a; + } + return j + k; +} +/* We should eliminate both 4*b and 4*a from the main body of the loop */ +/* { dg-final { scan-tree-dump-times "Eliminated: 2" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |