diff options
author | Richard Guenther <rguenther@suse.de> | 2012-10-19 13:05:40 +0000 |
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committer | Richard Guenther <rguenther@suse.de> | 2012-10-19 13:05:40 +0000 |
commit | f7dbe46e8a4ab0f7254559fa824c3fb3cdefcff2 (patch) | |
tree | ca25d6649d4946c34570928d328373a6eaf27ce1 /gcc/tree-loop-distribution.c | |
parent | e9fa49f333b65a24c8d8946e8f1a677a6cc245a4 (diff) |
2012-10-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54981
* tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p):
Do not consider debug stmts as uses.
* gcc.dg/pr54981.c: New testcase.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@192612 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-loop-distribution.c')
-rw-r--r-- | gcc/tree-loop-distribution.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index d29fe1cd386..1ffc434f4a4 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -125,8 +125,12 @@ ssa_name_has_uses_outside_loop_p (tree def, loop_p loop) use_operand_p use_p; FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) - if (loop != loop_containing_stmt (USE_STMT (use_p))) - return true; + { + gimple use_stmt = USE_STMT (use_p); + if (!is_gimple_debug (use_stmt) + && loop != loop_containing_stmt (use_stmt)) + return true; + } return false; } |