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author | Jan Hubicka <jh@suse.cz> | 2012-04-23 12:04:48 +0200 |
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committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-04-23 10:04:48 +0000 |
commit | 837a549ba82a0e15b1b4314e9de83d274350e1d4 (patch) | |
tree | fcd88e6b22ce727b6e8cdade7b6442b45fb973bb /gcc/tree-ssa-loop-ivopts.c | |
parent | f67b870a8e39501b8d09e8694213b430f3d9663c (diff) | |
download | gcc-837a549ba82a0e15b1b4314e9de83d274350e1d4.tar.gz |
* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL tree refs.
From-SVN: r186693
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; |