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| author | Richard Biener <rguenther@suse.de> | 2019-02-12 09:29:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-02-12 09:29:39 +0000 |
| commit | 0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2 (patch) | |
| tree | 72e9df579ba369fe6ec5d2ecf2e68f8773e55fee /gcc/tree-ssa-loop-split.c | |
| parent | a4553534dfcccf992d30307a8bdbb5405ecd01f7 (diff) | |
| download | gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.zip gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.tar.gz gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.tar.bz2 | |
re PR tree-optimization/89253 (ICE in split_loop, at tree-ssa-loop-split.c:566)
2019-02-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/89253
* tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
duplicate the loop.
* gfortran.dg/pr89253.f: New testcase.
From-SVN: r268790
Diffstat (limited to 'gcc/tree-ssa-loop-split.c')
| -rw-r--r-- | gcc/tree-ssa-loop-split.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-split.c b/gcc/tree-ssa-loop-split.c index 9b9d01a..999c9a3 100644 --- a/gcc/tree-ssa-loop-split.c +++ b/gcc/tree-ssa-loop-split.c @@ -649,7 +649,8 @@ tree_ssa_split_loops (void) false, true) && niter.cmp != ERROR_MARK /* We can't yet handle loops controlled by a != predicate. */ - && niter.cmp != NE_EXPR) + && niter.cmp != NE_EXPR + && can_duplicate_loop_p (loop)) { if (split_loop (loop, &niter)) { |