From e71d7f88ba619aab4d53468d4f26e97a670842dd Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Thu, 10 May 2007 23:33:11 +0200 Subject: re PR tree-optimization/31885 (Not removing empty loop, scev not finding the correct result) PR tree-optimization/31885 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE to be undetermined. (automatically_generated_chrec_p): Return false for NULL. * gcc.dg/tree-ssa/loop-29.c: New test. From-SVN: r124602 --- gcc/tree-chrec.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'gcc/tree-chrec.h') diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h index 95c6f38..6be00d6 100644 --- a/gcc/tree-chrec.h +++ b/gcc/tree-chrec.h @@ -36,8 +36,7 @@ extern GTY(()) tree chrec_known; static inline bool automatically_generated_chrec_p (tree chrec) { - return (chrec == chrec_not_analyzed_yet - || chrec == chrec_dont_know + return (chrec == chrec_dont_know || chrec == chrec_known); } -- cgit v1.1