SMUL_LOHI and UMUL_LOHI are commutative.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42633 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 9a9445dbfb082d62aed8200a0406ada35338eb63..395bf14918d85f93bae6dfc4e9d7028cc4f36548 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -457,6 +457,8 @@ public:
     case ISD::MUL:
     case ISD::MULHU:
     case ISD::MULHS:
+    case ISD::SMUL_LOHI:
+    case ISD::UMUL_LOHI:
     case ISD::FADD:
     case ISD::FMUL:
     case ISD::AND: