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authorspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>2005-08-23 08:15:13 +0000
committerspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>2005-08-23 08:15:13 +0000
commit1d7c087e8b9c917fc33169a61d7a300432cdf784 (patch)
tree036e5ee218fbbfada8c97099b95ccbfa5bb690ee /gcc/tree-ssa-loop-niter.c
parentb7f95d090cb437c047bae4f944dab45bf150f652 (diff)
downloadgcc-1d7c087e8b9c917fc33169a61d7a300432cdf784.tar.gz
PR tree-optimization/23511
* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103391 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
-rw-r--r--gcc/tree-ssa-loop-niter.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c
index a8e4737633d..5ecdaebd08e 100644
--- a/gcc/tree-ssa-loop-niter.c
+++ b/gcc/tree-ssa-loop-niter.c
@@ -1460,7 +1460,9 @@ infer_loop_bounds_from_undefined (struct loop *loop)
if (init == NULL_TREE
|| step == NULL_TREE
|| TREE_CODE (init) != INTEGER_CST
- || TREE_CODE (step) != INTEGER_CST)
+ || TREE_CODE (step) != INTEGER_CST
+ || TYPE_MIN_VALUE (type) == NULL_TREE
+ || TYPE_MAX_VALUE (type) == NULL_TREE)
break;
utype = unsigned_type_for (type);