Index: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -12440,6 +12440,10 @@
   EVT VT = N->getValueType(0);
   EVT OpVT = N0.getValueType();
 
+  // [us]itofp(undef) = 0, because the result value is bounded.
+  if (N0.isUndef())
+    return DAG.getConstantFP(0.0, SDLoc(N), VT);
+
   // fold (sint_to_fp c1) -> c1fp
   if (DAG.isConstantIntBuildVectorOrConstantInt(N0) &&
       // ...but only if the target supports immediate floating-point values
@@ -12497,6 +12501,10 @@
   EVT VT = N->getValueType(0);
   EVT OpVT = N0.getValueType();
 
+  // [us]itofp(undef) = 0, because the result value is bounded.
+  if (N0.isUndef())
+    return DAG.getConstantFP(0.0, SDLoc(N), VT);
+
   // fold (uint_to_fp c1) -> c1fp
   if (DAG.isConstantIntBuildVectorOrConstantInt(N0) &&
       // ...but only if the target supports immediate floating-point values
Index: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4440,6 +4440,12 @@
     if (Operand.isUndef())
       return getUNDEF(VT);
     break;
+  case ISD::SINT_TO_FP:
+  case ISD::UINT_TO_FP:
+    // [us]itofp(undef) = 0, because the result value is bounded.
+    if (Operand.isUndef())
+      return getConstantFP(0.0, DL, VT);
+    break;
   case ISD::SIGN_EXTEND:
     assert(VT.isInteger() && Operand.getValueType().isInteger() &&
            "Invalid SIGN_EXTEND!");
Index: llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll
+++ llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll
@@ -120,22 +120,30 @@
 }
 
 define <2 x float> @sltof2f32(<2 x i64> %a) {
-; NODQ-LABEL: sltof2f32:
-; NODQ:       # %bb.0:
-; NODQ-NEXT:    vpextrq $1, %xmm0, %rax
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; NODQ-NEXT:    vmovq %xmm0, %rax
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; NODQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; NODQ-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
-; NODQ-NEXT:    retq
+; NOVLDQ-LABEL: sltof2f32:
+; NOVLDQ:       # %bb.0:
+; NOVLDQ-NEXT:    vpextrq $1, %xmm0, %rax
+; NOVLDQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
+; NOVLDQ-NEXT:    vmovq %xmm0, %rax
+; NOVLDQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
+; NOVLDQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; NOVLDQ-NEXT:    retq
 ;
 ; VLDQ-LABEL: sltof2f32:
 ; VLDQ:       # %bb.0:
 ; VLDQ-NEXT:    vcvtqq2ps %xmm0, %xmm0
 ; VLDQ-NEXT:    retq
 ;
+; VLNODQ-LABEL: sltof2f32:
+; VLNODQ:       # %bb.0:
+; VLNODQ-NEXT:    vpextrq $1, %xmm0, %rax
+; VLNODQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
+; VLNODQ-NEXT:    vmovq %xmm0, %rax
+; VLNODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
+; VLNODQ-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; VLNODQ-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; VLNODQ-NEXT:    retq
+;
 ; DQNOVL-LABEL: sltof2f32:
 ; DQNOVL:       # %bb.0:
 ; DQNOVL-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
Index: llvm/trunk/test/CodeGen/X86/avx512-cvt.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cvt.ll
+++ llvm/trunk/test/CodeGen/X86/avx512-cvt.ll
@@ -120,22 +120,30 @@
 }
 
 define <2 x float> @sltof2f32(<2 x i64> %a) {
-; NODQ-LABEL: sltof2f32:
-; NODQ:       # %bb.0:
-; NODQ-NEXT:    vpextrq $1, %xmm0, %rax
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; NODQ-NEXT:    vmovq %xmm0, %rax
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; NODQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; NODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; NODQ-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
-; NODQ-NEXT:    retq
+; NOVLDQ-LABEL: sltof2f32:
+; NOVLDQ:       # %bb.0:
+; NOVLDQ-NEXT:    vpextrq $1, %xmm0, %rax
+; NOVLDQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
+; NOVLDQ-NEXT:    vmovq %xmm0, %rax
+; NOVLDQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
+; NOVLDQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; NOVLDQ-NEXT:    retq
 ;
 ; VLDQ-LABEL: sltof2f32:
 ; VLDQ:       # %bb.0:
 ; VLDQ-NEXT:    vcvtqq2ps %xmm0, %xmm0
 ; VLDQ-NEXT:    retq
 ;
+; VLNODQ-LABEL: sltof2f32:
+; VLNODQ:       # %bb.0:
+; VLNODQ-NEXT:    vpextrq $1, %xmm0, %rax
+; VLNODQ-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
+; VLNODQ-NEXT:    vmovq %xmm0, %rax
+; VLNODQ-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
+; VLNODQ-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; VLNODQ-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; VLNODQ-NEXT:    retq
+;
 ; DQNOVL-LABEL: sltof2f32:
 ; DQNOVL:       # %bb.0:
 ; DQNOVL-NEXT:    # kill: def $xmm0 killed $xmm0 def $zmm0
Index: llvm/trunk/test/CodeGen/X86/vec_int_to_fp-widen.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/vec_int_to_fp-widen.ll
+++ llvm/trunk/test/CodeGen/X86/vec_int_to_fp-widen.ll
@@ -1186,9 +1186,7 @@
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; VEX-NEXT:    vmovq %xmm0, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: sitofp_2i64_to_4f32:
@@ -1197,9 +1195,7 @@
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: sitofp_2i64_to_4f32:
@@ -1208,9 +1204,8 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_2i64_to_4f32:
@@ -1309,11 +1304,8 @@
 ; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    xorps %xmm0, %xmm0
 ; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[0,0]
-; SSE2-NEXT:    movaps %xmm1, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movq {{.*#+}} xmm0 = xmm1[0],zero
 ; SSE2-NEXT:    retq
 ;
 ; SSE41-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1323,10 +1315,7 @@
 ; SSE41-NEXT:    movq %xmm0, %rax
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE41-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; SSE41-NEXT:    retq
 ;
 ; VEX-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1335,9 +1324,7 @@
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; VEX-NEXT:    vmovq %xmm0, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1346,9 +1333,7 @@
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1357,9 +1342,8 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1918,7 +1902,8 @@
 ; VEX-NEXT:    js .LBB39_4
 ; VEX-NEXT:  # %bb.5:
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    jmp .LBB39_6
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; VEX-NEXT:    retq
 ; VEX-NEXT:  .LBB39_4:
 ; VEX-NEXT:    movq %rax, %rcx
 ; VEX-NEXT:    shrq %rcx
@@ -1926,15 +1911,7 @@
 ; VEX-NEXT:    orq %rcx, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
 ; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:  .LBB39_6:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    vxorps %xmm1, %xmm1, %xmm1
-; VEX-NEXT:    js .LBB39_8
-; VEX-NEXT:  # %bb.7:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:  .LBB39_8:
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_2i64_to_4f32:
@@ -1943,9 +1920,7 @@
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: uitofp_2i64_to_4f32:
@@ -1954,9 +1929,8 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_2i64_to_4f32:
@@ -2126,49 +2100,39 @@
 define <4 x float> @uitofp_4i64_to_4f32_undef(<2 x i64> %a) {
 ; SSE2-LABEL: uitofp_4i64_to_4f32_undef:
 ; SSE2:       # %bb.0:
-; SSE2-NEXT:    movdqa %xmm0, %xmm1
 ; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    testq %rax, %rax
 ; SSE2-NEXT:    js .LBB41_1
 ; SSE2-NEXT:  # %bb.2:
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
 ; SSE2-NEXT:    jmp .LBB41_3
 ; SSE2-NEXT:  .LBB41_1:
 ; SSE2-NEXT:    movq %rax, %rcx
 ; SSE2-NEXT:    shrq %rcx
 ; SSE2-NEXT:    andl $1, %eax
 ; SSE2-NEXT:    orq %rcx, %rax
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    addss %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
+; SSE2-NEXT:    addss %xmm1, %xmm1
 ; SSE2-NEXT:  .LBB41_3:
-; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
-; SSE2-NEXT:    movq %xmm1, %rax
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    testq %rax, %rax
 ; SSE2-NEXT:    js .LBB41_4
 ; SSE2-NEXT:  # %bb.5:
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
+; SSE2-NEXT:    xorps %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
 ; SSE2-NEXT:    jmp .LBB41_6
 ; SSE2-NEXT:  .LBB41_4:
 ; SSE2-NEXT:    movq %rax, %rcx
 ; SSE2-NEXT:    shrq %rcx
 ; SSE2-NEXT:    andl $1, %eax
 ; SSE2-NEXT:    orq %rcx, %rax
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE2-NEXT:    addss %xmm1, %xmm1
+; SSE2-NEXT:    xorps %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
+; SSE2-NEXT:    addss %xmm0, %xmm0
 ; SSE2-NEXT:  .LBB41_6:
-; SSE2-NEXT:    unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; SSE2-NEXT:    testq %rax, %rax
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    js .LBB41_8
-; SSE2-NEXT:  # %bb.7:
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE2-NEXT:  .LBB41_8:
-; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE2-NEXT:    unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movq {{.*#+}} xmm0 = xmm1[0],zero
 ; SSE2-NEXT:    retq
 ;
 ; SSE41-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2193,7 +2157,8 @@
 ; SSE41-NEXT:  # %bb.5:
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE41-NEXT:    jmp .LBB41_6
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; SSE41-NEXT:    retq
 ; SSE41-NEXT:  .LBB41_4:
 ; SSE41-NEXT:    movq %rax, %rcx
 ; SSE41-NEXT:    shrq %rcx
@@ -2202,16 +2167,7 @@
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
 ; SSE41-NEXT:    addss %xmm0, %xmm0
-; SSE41-NEXT:  .LBB41_6:
-; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; SSE41-NEXT:    testq %rax, %rax
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    js .LBB41_8
-; SSE41-NEXT:  # %bb.7:
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE41-NEXT:  .LBB41_8:
-; SSE41-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; SSE41-NEXT:    retq
 ;
 ; VEX-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2235,7 +2191,8 @@
 ; VEX-NEXT:    js .LBB41_4
 ; VEX-NEXT:  # %bb.5:
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    jmp .LBB41_6
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; VEX-NEXT:    retq
 ; VEX-NEXT:  .LBB41_4:
 ; VEX-NEXT:    movq %rax, %rcx
 ; VEX-NEXT:    shrq %rcx
@@ -2243,15 +2200,7 @@
 ; VEX-NEXT:    orq %rcx, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
 ; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:  .LBB41_6:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    vxorps %xmm1, %xmm1, %xmm1
-; VEX-NEXT:    js .LBB41_8
-; VEX-NEXT:  # %bb.7:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:  .LBB41_8:
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2260,9 +2209,7 @@
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2271,9 +2218,8 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f32_undef:
Index: llvm/trunk/test/CodeGen/X86/vec_int_to_fp.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/vec_int_to_fp.ll
+++ llvm/trunk/test/CodeGen/X86/vec_int_to_fp.ll
@@ -1186,9 +1186,7 @@
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; VEX-NEXT:    vmovq %xmm0, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: sitofp_2i64_to_4f32:
@@ -1197,9 +1195,7 @@
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: sitofp_2i64_to_4f32:
@@ -1208,9 +1204,8 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_2i64_to_4f32:
@@ -1309,11 +1304,8 @@
 ; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    xorps %xmm0, %xmm0
 ; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[0,0]
-; SSE2-NEXT:    movaps %xmm1, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movq {{.*#+}} xmm0 = xmm1[0],zero
 ; SSE2-NEXT:    retq
 ;
 ; SSE41-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1323,10 +1315,7 @@
 ; SSE41-NEXT:    movq %xmm0, %rax
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE41-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; SSE41-NEXT:    retq
 ;
 ; VEX-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1335,9 +1324,7 @@
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; VEX-NEXT:    vmovq %xmm0, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1346,9 +1333,7 @@
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1357,9 +1342,8 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1918,7 +1902,8 @@
 ; VEX-NEXT:    js .LBB39_4
 ; VEX-NEXT:  # %bb.5:
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    jmp .LBB39_6
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; VEX-NEXT:    retq
 ; VEX-NEXT:  .LBB39_4:
 ; VEX-NEXT:    movq %rax, %rcx
 ; VEX-NEXT:    shrq %rcx
@@ -1926,15 +1911,7 @@
 ; VEX-NEXT:    orq %rcx, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
 ; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:  .LBB39_6:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    vxorps %xmm1, %xmm1, %xmm1
-; VEX-NEXT:    js .LBB39_8
-; VEX-NEXT:  # %bb.7:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:  .LBB39_8:
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_2i64_to_4f32:
@@ -1943,9 +1920,7 @@
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: uitofp_2i64_to_4f32:
@@ -1954,9 +1929,8 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_2i64_to_4f32:
@@ -2126,49 +2100,39 @@
 define <4 x float> @uitofp_4i64_to_4f32_undef(<2 x i64> %a) {
 ; SSE2-LABEL: uitofp_4i64_to_4f32_undef:
 ; SSE2:       # %bb.0:
-; SSE2-NEXT:    movdqa %xmm0, %xmm1
 ; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    testq %rax, %rax
 ; SSE2-NEXT:    js .LBB41_1
 ; SSE2-NEXT:  # %bb.2:
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
 ; SSE2-NEXT:    jmp .LBB41_3
 ; SSE2-NEXT:  .LBB41_1:
 ; SSE2-NEXT:    movq %rax, %rcx
 ; SSE2-NEXT:    shrq %rcx
 ; SSE2-NEXT:    andl $1, %eax
 ; SSE2-NEXT:    orq %rcx, %rax
-; SSE2-NEXT:    xorps %xmm0, %xmm0
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE2-NEXT:    addss %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
+; SSE2-NEXT:    addss %xmm1, %xmm1
 ; SSE2-NEXT:  .LBB41_3:
-; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
-; SSE2-NEXT:    movq %xmm1, %rax
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE2-NEXT:    movq %xmm0, %rax
 ; SSE2-NEXT:    testq %rax, %rax
 ; SSE2-NEXT:    js .LBB41_4
 ; SSE2-NEXT:  # %bb.5:
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
+; SSE2-NEXT:    xorps %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
 ; SSE2-NEXT:    jmp .LBB41_6
 ; SSE2-NEXT:  .LBB41_4:
 ; SSE2-NEXT:    movq %rax, %rcx
 ; SSE2-NEXT:    shrq %rcx
 ; SSE2-NEXT:    andl $1, %eax
 ; SSE2-NEXT:    orq %rcx, %rax
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE2-NEXT:    addss %xmm1, %xmm1
+; SSE2-NEXT:    xorps %xmm0, %xmm0
+; SSE2-NEXT:    cvtsi2ss %rax, %xmm0
+; SSE2-NEXT:    addss %xmm0, %xmm0
 ; SSE2-NEXT:  .LBB41_6:
-; SSE2-NEXT:    unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; SSE2-NEXT:    testq %rax, %rax
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    js .LBB41_8
-; SSE2-NEXT:  # %bb.7:
-; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE2-NEXT:  .LBB41_8:
-; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE2-NEXT:    unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movq {{.*#+}} xmm0 = xmm1[0],zero
 ; SSE2-NEXT:    retq
 ;
 ; SSE41-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2193,7 +2157,8 @@
 ; SSE41-NEXT:  # %bb.5:
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
-; SSE41-NEXT:    jmp .LBB41_6
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; SSE41-NEXT:    retq
 ; SSE41-NEXT:  .LBB41_4:
 ; SSE41-NEXT:    movq %rax, %rcx
 ; SSE41-NEXT:    shrq %rcx
@@ -2202,16 +2167,7 @@
 ; SSE41-NEXT:    xorps %xmm0, %xmm0
 ; SSE41-NEXT:    cvtsi2ss %rax, %xmm0
 ; SSE41-NEXT:    addss %xmm0, %xmm0
-; SSE41-NEXT:  .LBB41_6:
-; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; SSE41-NEXT:    testq %rax, %rax
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    js .LBB41_8
-; SSE41-NEXT:  # %bb.7:
-; SSE41-NEXT:    xorps %xmm1, %xmm1
-; SSE41-NEXT:    cvtsi2ss %rax, %xmm1
-; SSE41-NEXT:  .LBB41_8:
-; SSE41-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; SSE41-NEXT:    retq
 ;
 ; VEX-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2235,7 +2191,8 @@
 ; VEX-NEXT:    js .LBB41_4
 ; VEX-NEXT:  # %bb.5:
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    jmp .LBB41_6
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; VEX-NEXT:    retq
 ; VEX-NEXT:  .LBB41_4:
 ; VEX-NEXT:    movq %rax, %rcx
 ; VEX-NEXT:    shrq %rcx
@@ -2243,15 +2200,7 @@
 ; VEX-NEXT:    orq %rcx, %rax
 ; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
 ; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:  .LBB41_6:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    vxorps %xmm1, %xmm1, %xmm1
-; VEX-NEXT:    js .LBB41_8
-; VEX-NEXT:  # %bb.7:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm1
-; VEX-NEXT:  .LBB41_8:
-; VEX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2260,9 +2209,7 @@
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512F-NEXT:    vmovq %xmm0, %rax
 ; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512F-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512F-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512F-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2271,9 +2218,8 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm1
-; AVX512VL-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,0]
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f32_undef: