diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 5c954ab63aab..d960a7427176 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -20550,8 +20550,8 @@ static SDValue scalarizeBinOpOfSplats(SDNode *N, SelectionDAG &DAG) {
 
   SDLoc DL(N);
   SDValue IndexC = DAG.getVectorIdxConstant(Index0, DL);
-  SDValue X = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, EltVT, N0, IndexC);
-  SDValue Y = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, EltVT, N1, IndexC);
+  SDValue X = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, EltVT, Src0, IndexC);
+  SDValue Y = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, EltVT, Src1, IndexC);
   SDValue ScalarBO = DAG.getNode(Opcode, DL, EltVT, X, Y, N->getFlags());
 
   // If all lanes but 1 are undefined, no need to splat the scalar result.
diff --git a/llvm/test/CodeGen/X86/pr46189.ll b/llvm/test/CodeGen/X86/pr46189.ll
index aea4a92cef4b..558483754c68 100644
--- a/llvm/test/CodeGen/X86/pr46189.ll
+++ b/llvm/test/CodeGen/X86/pr46189.ll
@@ -12,12 +12,13 @@ define { i64, i64 } @PR46189(double %0, double %1, double %2, double %3, double
 ; SSE-NEXT:    unpcklpd {{.*#+}} xmm3 = xmm3[0,0]
 ; SSE-NEXT:    divpd %xmm3, %xmm5
 ; SSE-NEXT:    cvttpd2dq %xmm5, %xmm0
-; SSE-NEXT:    subsd %xmm2, %xmm1
-; SSE-NEXT:    addsd %xmm2, %xmm2
-; SSE-NEXT:    unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; SSE-NEXT:    movapd %xmm1, %xmm3
+; SSE-NEXT:    subsd %xmm2, %xmm3
+; SSE-NEXT:    addsd %xmm2, %xmm1
+; SSE-NEXT:    unpcklpd {{.*#+}} xmm3 = xmm3[0],xmm1[0]
 ; SSE-NEXT:    unpcklpd {{.*#+}} xmm4 = xmm4[0,0]
-; SSE-NEXT:    divpd %xmm4, %xmm1
-; SSE-NEXT:    cvttpd2dq %xmm1, %xmm1
+; SSE-NEXT:    divpd %xmm4, %xmm3
+; SSE-NEXT:    cvttpd2dq %xmm3, %xmm1
 ; SSE-NEXT:    unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSE-NEXT:    movq %xmm0, %rax
 ; SSE-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
@@ -32,9 +33,9 @@ define { i64, i64 } @PR46189(double %0, double %1, double %2, double %3, double
 ; AVX-NEXT:    vmovddup {{.*#+}} xmm3 = xmm3[0,0]
 ; AVX-NEXT:    vdivpd %xmm3, %xmm0, %xmm0
 ; AVX-NEXT:    vcvttpd2dq %xmm0, %xmm0
-; AVX-NEXT:    vsubsd %xmm2, %xmm1, %xmm1
-; AVX-NEXT:    vaddsd %xmm2, %xmm0, %xmm2
-; AVX-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX-NEXT:    vsubsd %xmm2, %xmm1, %xmm3
+; AVX-NEXT:    vaddsd %xmm2, %xmm1, %xmm1
+; AVX-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm3[0],xmm1[0]
 ; AVX-NEXT:    vmovddup {{.*#+}} xmm2 = xmm4[0,0]
 ; AVX-NEXT:    vdivpd %xmm2, %xmm1, %xmm1
 ; AVX-NEXT:    vcvttpd2dq %xmm1, %xmm1