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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-23 10:04:48 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-23 10:04:48 +0000 |
| commit | 12faa8e40493f3f801942b25c5f4e3034536a946 (patch) | |
| tree | fcd88e6b22ce727b6e8cdade7b6442b45fb973bb /gcc/tree-ssa-loop-ivopts.c | |
| parent | 7bd0f17d6c9c5ef0e96ec6b4b9ff5021bdcf173f (diff) | |
| download | gcc-12faa8e40493f3f801942b25c5f4e3034536a946.tar.gz | |
* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL tree refs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186693 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 3c11c0e4834..d346e0034e0 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -1411,7 +1411,8 @@ expr_invariant_in_loop_p (struct loop *loop, tree expr) len = TREE_OPERAND_LENGTH (expr); for (i = 0; i < len; i++) - if (!expr_invariant_in_loop_p (loop, TREE_OPERAND (expr, i))) + if (TREE_OPERAND (expr, i) + && !expr_invariant_in_loop_p (loop, TREE_OPERAND (expr, i))) return false; return true; |