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author | Richard Guenther <rguenther@suse.de> | 2008-01-25 12:08:52 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-01-25 12:08:52 +0000 |
commit | 59805c3b29f62c729aa176eea03bbd20b455b7e5 (patch) | |
tree | 510264dd523185479bb68185f5a6fa8cda2c5808 /gcc/tree-ssa-math-opts.c | |
parent | 57e2aff267801c94a26098f7cb7b1e9bc054b854 (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.c | 5 |
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); |