diff options
| author | Richard Guenther <rguenther@suse.de> | 2010-02-07 13:42:52 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-02-07 13:42:52 +0000 |
| commit | cb6b911a63724d5efd5b48b9ae0dac09c3060e85 (patch) | |
| tree | 0fbca980303c232d16d4c5e497733ca6ff9c94ae /gcc/tree-ssa-loop-ivopts.c | |
| parent | f41e0f10464c060e928927c5272a360c31a48093 (diff) | |
| download | gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.zip gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.tar.gz gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.tar.bz2 | |
re PR tree-optimization/42956 (internal compiler error: Segmentation fault with -O1)
2010-02-07 Richard Guenther <rguenther@suse.de>
PR middle-end/42956
* gimplify.c (gimple_fold_indirect_ref): Avoid generating
new ARRAY_REFs on variable size element or minimal index arrays.
Complete.
* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
gimple_fold_indirect_ref.
* gcc.c-torture/compile/pr42956.c: New testcase.
From-SVN: r156571
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 759edb1..436e6ce 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -1686,7 +1686,11 @@ find_interesting_uses_address (struct ivopts_data *data, gimple stmt, tree *op_p while (handled_component_p (*ref)) ref = &TREE_OPERAND (*ref, 0); if (TREE_CODE (*ref) == INDIRECT_REF) - *ref = fold_indirect_ref (*ref); + { + tree tem = gimple_fold_indirect_ref (TREE_OPERAND (*ref, 0)); + if (tem) + *ref = tem; + } } } |