1 files changed, 15 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 1111a3e0045..58b69dc498f 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5077,6 +5077,17 @@ SDDbgValue *SelectionDAGBuilder::getDbgValue(SDValue N,
 #  define setjmp_undefined_for_msvc
 #endif
 
+static unsigned FixedPointIntrinsicToOpcode(unsigned Intrinsic) {
+  switch (Intrinsic) {
+  case Intrinsic::smul_fix:
+    return ISD::SMULFIX;
+  case Intrinsic::umul_fix:
+    return ISD::UMULFIX;
+  default:
+    llvm_unreachable("Unhandled fixed point intrinsic");
+  }
+}
+
 /// Lower the call to the specified intrinsic function. If we want to emit this
 /// as a call to a named external function, return the name. Otherwise, lower it
 /// and return null.
@@ -5880,12 +5891,13 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
     setValue(&I, DAG.getNode(ISD::USUBSAT, sdl, Op1.getValueType(), Op1, Op2));
     return nullptr;
   }
-  case Intrinsic::smul_fix: {
+  case Intrinsic::smul_fix:
+  case Intrinsic::umul_fix: {
     SDValue Op1 = getValue(I.getArgOperand(0));
     SDValue Op2 = getValue(I.getArgOperand(1));
     SDValue Op3 = getValue(I.getArgOperand(2));
-    setValue(&I,
-             DAG.getNode(ISD::SMULFIX, sdl, Op1.getValueType(), Op1, Op2, Op3));
+    setValue(&I, DAG.getNode(FixedPointIntrinsicToOpcode(Intrinsic), sdl,
+                             Op1.getValueType(), Op1, Op2, Op3));
     return nullptr;
   }
   case Intrinsic::stacksave: {