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authorRichard Guenther <rguenther@suse.de>2008-01-25 12:08:52 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2008-01-25 12:08:52 +0000
commit59805c3b29f62c729aa176eea03bbd20b455b7e5 (patch)
tree510264dd523185479bb68185f5a6fa8cda2c5808 /gcc/tree-ssa-math-opts.c
parent57e2aff267801c94a26098f7cb7b1e9bc054b854 (diff)
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re PR tree-optimization/34966 (ICE: verify_ssa fails when optimization trigonometric code)
2008-01-25 Richard Guenther <rguenther@suse.de> PR tree-optimization/34966 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but default defs and PHI_NODEs we have to insert after the defining statement. * gcc.c-torture/compile/pr34966.c: New testcase. From-SVN: r131824
Diffstat (limited to 'gcc/tree-ssa-math-opts.c')
-rw-r--r--gcc/tree-ssa-math-opts.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c
index 5a7bf8b..087cca2 100644
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -661,8 +661,9 @@ execute_cse_sincos_1 (tree name)
call = build_call_expr (fndecl, 1, name);
stmt = build_gimple_modify_stmt (res, call);
def_stmt = SSA_NAME_DEF_STMT (name);
- if (bb_for_stmt (def_stmt) == top_bb
- && TREE_CODE (def_stmt) == GIMPLE_MODIFY_STMT)
+ if (!SSA_NAME_IS_DEFAULT_DEF (name)
+ && TREE_CODE (def_stmt) != PHI_NODE
+ && bb_for_stmt (def_stmt) == top_bb)
{
bsi = bsi_for_stmt (def_stmt);
bsi_insert_after (&bsi, stmt, BSI_SAME_STMT);