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| author | Rong Xu <xur@google.com> | 2014-09-02 15:29:57 -0700 |
|---|---|---|
| committer | Rong Xu <xur@google.com> | 2014-09-02 15:29:57 -0700 |
| commit | e97c99f15937e5762a973b25192aab824126a6d3 (patch) | |
| tree | 7f0be3ff7c7d976af06887dc50accd68f7630a7f /gcc-4.9/gcc/tree-ssa-tail-merge.c | |
| parent | f1c18afafc2b321465ae6b07ede127095942d7dc (diff) | |
| download | toolchain_gcc-e97c99f15937e5762a973b25192aab824126a6d3.tar.gz toolchain_gcc-e97c99f15937e5762a973b25192aab824126a6d3.tar.bz2 toolchain_gcc-e97c99f15937e5762a973b25192aab824126a6d3.zip | |
[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch.
Merge gcc-4_9 source r214745 from google/gcc-4_9 branch.
Change-Id: Ie6fa0fd72f4b4eec3adc4db4bb922e652d1c2605
Diffstat (limited to 'gcc-4.9/gcc/tree-ssa-tail-merge.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-ssa-tail-merge.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/gcc-4.9/gcc/tree-ssa-tail-merge.c b/gcc-4.9/gcc/tree-ssa-tail-merge.c index aa7f829d1..09e9b242c 100644 --- a/gcc-4.9/gcc/tree-ssa-tail-merge.c +++ b/gcc-4.9/gcc/tree-ssa-tail-merge.c @@ -1159,17 +1159,9 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2) lhs2 = gimple_get_lhs (s2); if (TREE_CODE (lhs1) != SSA_NAME && TREE_CODE (lhs2) != SSA_NAME) - { - /* If the vdef is the same, it's the same statement. */ - if (vn_valueize (gimple_vdef (s1)) - == vn_valueize (gimple_vdef (s2))) - return true; - - /* Test for structural equality. */ - return (operand_equal_p (lhs1, lhs2, 0) - && gimple_operand_equal_value_p (gimple_assign_rhs1 (s1), - gimple_assign_rhs1 (s2))); - } + return (operand_equal_p (lhs1, lhs2, 0) + && gimple_operand_equal_value_p (gimple_assign_rhs1 (s1), + gimple_assign_rhs1 (s2))); else if (TREE_CODE (lhs1) == SSA_NAME && TREE_CODE (lhs2) == SSA_NAME) return vn_valueize (lhs1) == vn_valueize (lhs2); |