[DAGCombiner] add saturation instructions are commutative

llvm-svn: 351067

diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index 26d4bdb..23dbaac 100644 (file)
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -2155,6 +2155,8 @@ public:
     case ISD::UADDO:
     case ISD::ADDC:
     case ISD::ADDE:
+    case ISD::SADDSAT:
+    case ISD::UADDSAT:
     case ISD::FMINNUM:
     case ISD::FMAXNUM:
     case ISD::FMINIMUM: