diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-04 09:37:04 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-04 09:37:04 +0000 |
| commit | a7392604d3a2cd80ea3b58a91019dad327a2c569 (patch) | |
| tree | e796856d793e5691b916e4fbbedc157a8e3dce8b /gcc/tree-ssa-ifcombine.c | |
| parent | 1fd77946b49f4ff86be3e862908a8ea10b413bcd (diff) | |
| download | gcc-a7392604d3a2cd80ea3b58a91019dad327a2c569.tar.gz | |
2007-10-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33627
* tree-gimple.h (canonicalize_cond_expr_cond): Declare.
* tree-gimple.c (canonicalize_cond_expr_cond): New function,
split out from ...
* tree-ssa-forwprop.c (combine_cond_expr_cond): ... here.
* tree-ssa-ifcombine.c (ifcombine_iforif): Use it.
* g++.dg/torture/pr33627.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129004 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-ifcombine.c')
| -rw-r--r-- | gcc/tree-ssa-ifcombine.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ifcombine.c b/gcc/tree-ssa-ifcombine.c index f52585ca20e..eef6f22d2a2 100644 --- a/gcc/tree-ssa-ifcombine.c +++ b/gcc/tree-ssa-ifcombine.c @@ -483,6 +483,9 @@ ifcombine_iforif (basic_block inner_cond_bb, basic_block outer_cond_bb) /* Do it. */ t = fold_build2 (code, boolean_type_node, TREE_OPERAND (ccond2, 0), TREE_OPERAND (ccond2, 1)); + t = canonicalize_cond_expr_cond (t); + if (!t) + return false; COND_EXPR_COND (inner_cond) = t; update_stmt (inner_cond); |