diff options
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr76174.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr76174.c b/gcc/testsuite/gcc.dg/tree-ssa/pr76174.c new file mode 100644 index 0000000..17a4a0f --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr76174.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-cddce1" } */ + +void foo(); + +void l(unsigned int r) { + unsigned int q = 0; + unsigned int c = r; + for (unsigned int x = 0; x<r; x++) { + if (q == c) { + foo(); + c *= 2; + } + q++; + } +} + +/* We should be able to elide the body of the function by means of + figuring out the equality between the two IVs and then simplifying + the q == c test. */ +/* { dg-final { scan-tree-dump-not "foo" "cddce1" } } */ +/* { dg-final { scan-tree-dump-times "bb" 1 "cddce1" } } */ |