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Diffstat (limited to 'gcc/tree-ssa-tail-merge.c')
| -rw-r--r-- | gcc/tree-ssa-tail-merge.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c index 367a266..b20d306 100644 --- a/gcc/tree-ssa-tail-merge.c +++ b/gcc/tree-ssa-tail-merge.c @@ -1119,17 +1119,14 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2) case GIMPLE_ASSIGN: lhs1 = gimple_get_lhs (s1); lhs2 = gimple_get_lhs (s2); - if (gimple_vdef (s1)) - { - if (vn_valueize (gimple_vdef (s1)) != vn_valueize (gimple_vdef (s2))) - return false; - if (TREE_CODE (lhs1) != SSA_NAME - && TREE_CODE (lhs2) != SSA_NAME) - return true; - } - return (TREE_CODE (lhs1) == SSA_NAME - && TREE_CODE (lhs2) == SSA_NAME - && vn_valueize (lhs1) == vn_valueize (lhs2)); + if (TREE_CODE (lhs1) != SSA_NAME + && TREE_CODE (lhs2) != SSA_NAME) + return (vn_valueize (gimple_vdef (s1)) + == vn_valueize (gimple_vdef (s2))); + else if (TREE_CODE (lhs1) == SSA_NAME + && TREE_CODE (lhs2) == SSA_NAME) + return vn_valueize (lhs1) == vn_valueize (lhs2); + return false; case GIMPLE_COND: t1 = gimple_cond_lhs (s1); |