diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-21 11:25:28 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-21 11:25:28 +0000 |
| commit | cae444de225e07fb30dedab6ea8ea12356242a14 (patch) | |
| tree | 610e178ec54f2b0d0f38da0dfdb5f3a5065c0490 /gcc/tree-vrp.c | |
| parent | c6f1d124c9175e00b8d548b4b122d064e51d68e3 (diff) | |
| download | gcc-cae444de225e07fb30dedab6ea8ea12356242a14.tar.gz | |
2008-08-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/37181
* tree-vrp.c (extract_range_from_binary_expr): Check for NULL
folding result.
(extract_range_from_unary_expr): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139375 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index a71002fd9e4..a61f292c43f 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -2062,7 +2062,8 @@ extract_range_from_binary_expr (value_range_t *vr, && (op1 = op_with_constant_singleton_value_range (op1)) != NULL_TREE) { tree tem = fold_binary (code, expr_type, op0, op1); - if (is_gimple_min_invariant (tem) + if (tem + && is_gimple_min_invariant (tem) && !is_overflow_infinity (tem)) { set_value_range (vr, VR_RANGE, tem, tem, NULL); @@ -2477,7 +2478,8 @@ extract_range_from_unary_expr (value_range_t *vr, enum tree_code code, if ((op0 = op_with_constant_singleton_value_range (op0)) != NULL_TREE) { tree tem = fold_unary (code, type, op0); - if (is_gimple_min_invariant (tem) + if (tem + && is_gimple_min_invariant (tem) && !is_overflow_infinity (tem)) { set_value_range (vr, VR_RANGE, tem, tem, NULL); |