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| author | Richard Biener <rguenther@suse.de> | 2015-01-13 13:41:46 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2015-01-13 13:41:46 +0000 |
| commit | d0ed943ca48801dabdac2a70c974de074181c70b (patch) | |
| tree | 7f37c82fd98256628cfc914574e45cf995c80316 /gcc/tree-loop-distribution.c | |
| parent | 96bb56b2d7ee386b29596c59d61b73c5d5d3b7cc (diff) | |
| download | gcc-d0ed943ca48801dabdac2a70c974de074181c70b.zip gcc-d0ed943ca48801dabdac2a70c974de074181c70b.tar.gz gcc-d0ed943ca48801dabdac2a70c974de074181c70b.tar.bz2 | |
re PR tree-optimization/64406 (ICE: SIGSEGV in estimate_numbers_of_iterations_loop (tree-ssa-loop-niter.c:3453) with custom flags)
2015-01-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/64406
* tree-loop-distibution.c (pass_loop_distribution::execute):
Reset the SCEV hashtable if we distributed anything.
* gcc.dg/pr64406.c: New testcase.
From-SVN: r219528
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index ecd51fb..904f4e8 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -1838,6 +1838,9 @@ out: if (changed) { + /* Cached scalar evolutions now may refer to wrong or non-existing + loops. */ + scev_reset_htab (); mark_virtual_operands_for_renaming (fun); rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa); } |