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| author | Richard Guenther <rguenther@suse.de> | 2007-10-04 09:37:04 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-10-04 09:37:04 +0000 |
| commit | dc5752338ba869ec407f1d97b0d47793be431239 (patch) | |
| tree | e796856d793e5691b916e4fbbedc157a8e3dce8b /gcc/tree-ssa-ifcombine.c | |
| parent | 65567efaa82178fcfe63bee2c81f06a541cd72a4 (diff) | |
| download | gcc-dc5752338ba869ec407f1d97b0d47793be431239.zip gcc-dc5752338ba869ec407f1d97b0d47793be431239.tar.gz gcc-dc5752338ba869ec407f1d97b0d47793be431239.tar.bz2 | |
re PR tree-optimization/33627 (ICE in verify_stmts compiling abiword)
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.
From-SVN: r129004
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 f52585c..eef6f22 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); |