diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1166,6 +1166,15 @@
     setOperationAction(ISD::SINT_TO_FP,         MVT::v8i32, Legal);
     setOperationAction(ISD::STRICT_SINT_TO_FP,  MVT::v8i32, Legal);
 
+    if (Subtarget.is64Bit() && !Subtarget.hasAVX512()) {
+      // We need to mark SINT_TO_FP as Custom even though we want to expand it
+      // so that DAG combine doesn't try to turn it into uint_to_fp.
+      setOperationAction(ISD::SINT_TO_FP,        MVT::v4i64, Custom);
+      setOperationAction(ISD::STRICT_SINT_TO_FP, MVT::v4i64, Custom);
+      setOperationAction(ISD::UINT_TO_FP,        MVT::v4i64, Custom);
+      setOperationAction(ISD::STRICT_UINT_TO_FP, MVT::v4i64, Custom);
+    }
+
     setOperationAction(ISD::STRICT_FP_ROUND,    MVT::v4f32, Legal);
     setOperationAction(ISD::STRICT_FADD,        MVT::v8f32, Legal);
     setOperationAction(ISD::STRICT_FADD,        MVT::v4f64, Legal);
@@ -18584,42 +18593,91 @@
 
 static SDValue lowerINT_TO_FP_vXi64(SDValue Op, SelectionDAG &DAG,
                                     const X86Subtarget &Subtarget) {
-  assert(Subtarget.hasDQI() && !Subtarget.hasVLX() && "Unexpected features");
-
   SDLoc DL(Op);
   bool IsStrict = Op->isStrictFPOpcode();
   MVT VT = Op->getSimpleValueType(0);
   SDValue Src = Op->getOperand(IsStrict ? 1 : 0);
-  assert((Src.getSimpleValueType() == MVT::v2i64 ||
-          Src.getSimpleValueType() == MVT::v4i64) &&
-         "Unsupported custom type");
 
-  // With AVX512DQ, but not VLX we need to widen to get a 512-bit result type.
-  assert((VT == MVT::v4f32 || VT == MVT::v2f64 || VT == MVT::v4f64) &&
-         "Unexpected VT!");
-  MVT WideVT = VT == MVT::v4f32 ? MVT::v8f32 : MVT::v8f64;
+  if (Subtarget.hasDQI()) {
+    assert(!Subtarget.hasVLX() && "Unexpected features");
 
-  // Need to concat with zero vector for strict fp to avoid spurious
-  // exceptions.
-  SDValue Tmp =
-      IsStrict ? DAG.getConstant(0, DL, MVT::v8i64) : DAG.getUNDEF(MVT::v8i64);
-  Src = DAG.getNode(ISD::INSERT_SUBVECTOR, DL, MVT::v8i64, Tmp, Src,
-                    DAG.getIntPtrConstant(0, DL));
-  SDValue Res, Chain;
+    assert((Src.getSimpleValueType() == MVT::v2i64 ||
+            Src.getSimpleValueType() == MVT::v4i64) &&
+           "Unsupported custom type");
+
+    // With AVX512DQ, but not VLX we need to widen to get a 512-bit result type.
+    assert((VT == MVT::v4f32 || VT == MVT::v2f64 || VT == MVT::v4f64) &&
+           "Unexpected VT!");
+    MVT WideVT = VT == MVT::v4f32 ? MVT::v8f32 : MVT::v8f64;
+
+    // Need to concat with zero vector for strict fp to avoid spurious
+    // exceptions.
+    SDValue Tmp = IsStrict ? DAG.getConstant(0, DL, MVT::v8i64)
+                           : DAG.getUNDEF(MVT::v8i64);
+    Src = DAG.getNode(ISD::INSERT_SUBVECTOR, DL, MVT::v8i64, Tmp, Src,
+                      DAG.getIntPtrConstant(0, DL));
+    SDValue Res, Chain;
+    if (IsStrict) {
+      Res = DAG.getNode(Op.getOpcode(), DL, {WideVT, MVT::Other},
+                        {Op->getOperand(0), Src});
+      Chain = Res.getValue(1);
+    } else {
+      Res = DAG.getNode(Op.getOpcode(), DL, WideVT, Src);
+    }
+
+    Res = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, VT, Res,
+                      DAG.getIntPtrConstant(0, DL));
+
+    if (IsStrict)
+      return DAG.getMergeValues({Res, Chain}, DL);
+    return Res;
+  }
+
+  bool IsSigned = Op->getOpcode() == ISD::SINT_TO_FP ||
+                  Op->getOpcode() == ISD::STRICT_SINT_TO_FP;
+  if (VT != MVT::v4f32 || IsSigned)
+    return SDValue();
+
+  SDValue Zero = DAG.getConstant(0, DL, MVT::v4i64);
+  SDValue One  = DAG.getConstant(1, DL, MVT::v4i64);
+  SDValue Sign = DAG.getNode(ISD::OR, DL, MVT::v4i64,
+                             DAG.getNode(ISD::SRL, DL, MVT::v4i64, Src, One),
+                             DAG.getNode(ISD::AND, DL, MVT::v4i64, Src, One));
+  SDValue IsNeg = DAG.getSetCC(DL, MVT::v4i64, Src, Zero, ISD::SETLT);
+  SDValue SignSrc = DAG.getSelect(DL, MVT::v4i64, IsNeg, Sign, Src);
+  SmallVector<SDValue, 4> SignCvts(4);
+  SmallVector<SDValue, 4> Chains(4);
+  for (int i = 0; i != 4; ++i) {
+    SDValue Src = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i64, SignSrc,
+                              DAG.getIntPtrConstant(i, DL));
+    if (IsStrict) {
+      SignCvts[i] =
+          DAG.getNode(ISD::STRICT_SINT_TO_FP, DL, {MVT::f32, MVT::Other},
+                      {Op.getOperand(0), Src});
+      Chains[i] = SignCvts[i].getValue(1);
+    } else {
+      SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, DL, MVT::f32, Src);
+    }
+  }
+  SDValue SignCvt = DAG.getBuildVector(VT, DL, SignCvts);
+
+  SDValue Slow, Chain;
   if (IsStrict) {
-    Res = DAG.getNode(Op.getOpcode(), DL, {WideVT, MVT::Other},
-                      {Op->getOperand(0), Src});
-    Chain = Res.getValue(1);
+    Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Chains);
+    Slow = DAG.getNode(ISD::STRICT_FADD, DL, {MVT::v4f32, MVT::Other},
+                       {Chain, SignCvt, SignCvt});
+    Chain = Slow.getValue(1);
   } else {
-    Res = DAG.getNode(Op.getOpcode(), DL, WideVT, Src);
+    Slow = DAG.getNode(ISD::FADD, DL, MVT::v4f32, SignCvt, SignCvt);
   }
 
-  Res = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, VT, Res,
-                    DAG.getIntPtrConstant(0, DL));
+  IsNeg = DAG.getNode(ISD::TRUNCATE, DL, MVT::v4i32, IsNeg);
+  SDValue Cvt = DAG.getSelect(DL, MVT::v4f32, IsNeg, Slow, SignCvt);
 
   if (IsStrict)
-    return DAG.getMergeValues({Res, Chain}, DL);
-  return Res;
+    return DAG.getMergeValues({Cvt, Chain}, DL);
+
+  return Cvt;
 }
 
 SDValue X86TargetLowering::LowerSINT_TO_FP(SDValue Op,
@@ -29005,6 +29063,49 @@
       }
       return;
     }
+    if (SrcVT == MVT::v2i64 && !IsSigned && Subtarget.is64Bit() &&
+        Subtarget.hasAVX() && !Subtarget.hasAVX512()) {
+      // TODO Any SSE41+ subtarget should work here but BLENDV codegen ends up
+      // a lot worse than it should be.
+      SDValue Zero = DAG.getConstant(0, dl, SrcVT);
+      SDValue One  = DAG.getConstant(1, dl, SrcVT);
+      SDValue Sign = DAG.getNode(ISD::OR, dl, SrcVT,
+                                 DAG.getNode(ISD::SRL, dl, SrcVT, Src, One),
+                                 DAG.getNode(ISD::AND, dl, SrcVT, Src, One));
+      SDValue IsNeg = DAG.getSetCC(dl, MVT::v2i64, Src, Zero, ISD::SETLT);
+      SDValue SignSrc = DAG.getSelect(dl, SrcVT, IsNeg, Sign, Src);
+      SmallVector<SDValue, 4> SignCvts(4, DAG.getConstantFP(0.0, dl, MVT::f32));
+      for (int i = 0; i != 2; ++i) {
+        SDValue Src = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i64,
+                                  SignSrc, DAG.getIntPtrConstant(i, dl));
+        if (IsStrict)
+          SignCvts[i] =
+              DAG.getNode(ISD::STRICT_SINT_TO_FP, dl, {MVT::f32, MVT::Other},
+                          {N->getOperand(0), Src});
+        else
+          SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::f32, Src);
+      };
+      SDValue SignCvt = DAG.getBuildVector(MVT::v4f32, dl, SignCvts);
+      SDValue Slow, Chain;
+      if (IsStrict) {
+        Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+                            SignCvts[0].getValue(1), SignCvts[1].getValue(1));
+        Slow = DAG.getNode(ISD::STRICT_FADD, dl, {MVT::v4f32, MVT::Other},
+                           {Chain, SignCvt, SignCvt});
+        Chain = Slow.getValue(1);
+      } else {
+        Slow = DAG.getNode(ISD::FADD, dl, MVT::v4f32, SignCvt, SignCvt);
+      }
+      IsNeg = DAG.getBitcast(MVT::v4i32, IsNeg);
+      IsNeg =
+          DAG.getVectorShuffle(MVT::v4i32, dl, IsNeg, IsNeg, {1, 3, -1, -1});
+      SDValue Cvt = DAG.getSelect(dl, MVT::v4f32, IsNeg, Slow, SignCvt);
+      Results.push_back(Cvt);
+      if (IsStrict)
+        Results.push_back(Chain);
+      return;
+    }
+
     if (SrcVT != MVT::v2i32)
       return;
 
diff --git a/llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll b/llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
--- a/llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
+++ b/llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
@@ -311,33 +311,20 @@
 ;
 ; AVX1-64-LABEL: uitofp_v2i64_v2f32:
 ; AVX1-64:       # %bb.0:
+; AVX1-64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-64-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
+; AVX1-64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm2
+; AVX1-64-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-64-NEXT:    vpor %xmm2, %xmm3, %xmm2
+; AVX1-64-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX1-64-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm1, %xmm1
-; AVX1-64-NEXT:    jns .LBB3_2
-; AVX1-64-NEXT:  # %bb.1:
-; AVX1-64-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX1-64-NEXT:  .LBB3_2:
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
 ; AVX1-64-NEXT:    vmovq %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm2, %xmm0
-; AVX1-64-NEXT:    jns .LBB3_4
-; AVX1-64-NEXT:  # %bb.3:
-; AVX1-64-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX1-64-NEXT:  .LBB3_4:
-; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],zero,zero
+; AVX1-64-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX1-64-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,2,3]
+; AVX1-64-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX1-64-NEXT:    retq
 ;
 ; AVX512F-64-LABEL: uitofp_v2i64_v2f32:
diff --git a/llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll b/llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
--- a/llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
+++ b/llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
@@ -1058,123 +1058,60 @@
 ;
 ; AVX1-64-LABEL: uitofp_v4i64_v4f32:
 ; AVX1-64:       # %bb.0:
+; AVX1-64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-64-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm2
+; AVX1-64-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-64-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-64-NEXT:    vpsrlq $1, %xmm4, %xmm5
+; AVX1-64-NEXT:    vinsertf128 $1, %xmm5, %ymm3, %ymm3
+; AVX1-64-NEXT:    vandpd {{.*}}(%rip), %ymm0, %ymm5
+; AVX1-64-NEXT:    vorpd %ymm5, %ymm3, %ymm3
+; AVX1-64-NEXT:    vblendvpd %xmm2, %xmm3, %xmm0, %xmm0
 ; AVX1-64-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm1, %xmm1
-; AVX1-64-NEXT:    jns .LBB19_2
-; AVX1-64-NEXT:  # %bb.1:
-; AVX1-64-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX1-64-NEXT:  .LBB19_2:
-; AVX1-64-NEXT:    vmovq %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm2, %xmm2
-; AVX1-64-NEXT:    jns .LBB19_4
-; AVX1-64-NEXT:  # %bb.3:
-; AVX1-64-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-64-NEXT:  .LBB19_4:
-; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX1-64-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm5
 ; AVX1-64-NEXT:    vmovq %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm2
-; AVX1-64-NEXT:    jns .LBB19_6
-; AVX1-64-NEXT:  # %bb.5:
-; AVX1-64-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-64-NEXT:  .LBB19_6:
-; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX1-64-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-64-NEXT:    movq %rax, %rcx
-; AVX1-64-NEXT:    shrq %rcx
-; AVX1-64-NEXT:    movl %eax, %edx
-; AVX1-64-NEXT:    andl $1, %edx
-; AVX1-64-NEXT:    orq %rcx, %rdx
-; AVX1-64-NEXT:    testq %rax, %rax
-; AVX1-64-NEXT:    cmovnsq %rax, %rdx
-; AVX1-64-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm0
-; AVX1-64-NEXT:    jns .LBB19_8
-; AVX1-64-NEXT:  # %bb.7:
-; AVX1-64-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX1-64-NEXT:  .LBB19_8:
-; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm0
+; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[2,3]
+; AVX1-64-NEXT:    vpcmpgtq %xmm4, %xmm1, %xmm1
+; AVX1-64-NEXT:    vextractf128 $1, %ymm3, %xmm3
+; AVX1-64-NEXT:    vblendvpd %xmm1, %xmm3, %xmm4, %xmm3
+; AVX1-64-NEXT:    vmovq %xmm3, %rax
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm4
+; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm4[0],xmm0[3]
+; AVX1-64-NEXT:    vpextrq $1, %xmm3, %rax
+; AVX1-64-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm3
+; AVX1-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm3[0]
+; AVX1-64-NEXT:    vaddps %xmm0, %xmm0, %xmm3
+; AVX1-64-NEXT:    vpackssdw %xmm1, %xmm2, %xmm1
+; AVX1-64-NEXT:    vblendvps %xmm1, %xmm3, %xmm0, %xmm0
 ; AVX1-64-NEXT:    vzeroupper
 ; AVX1-64-NEXT:    retq
 ;
 ; AVX2-64-LABEL: uitofp_v4i64_v4f32:
 ; AVX2-64:       # %bb.0:
+; AVX2-64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-64-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm1
+; AVX2-64-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [1,1,1,1]
+; AVX2-64-NEXT:    vpand %ymm2, %ymm0, %ymm2
+; AVX2-64-NEXT:    vpsrlq $1, %ymm0, %ymm3
+; AVX2-64-NEXT:    vpor %ymm2, %ymm3, %ymm2
+; AVX2-64-NEXT:    vblendvpd %ymm1, %ymm2, %ymm0, %ymm0
 ; AVX2-64-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX2-64-NEXT:    movq %rax, %rcx
-; AVX2-64-NEXT:    shrq %rcx
-; AVX2-64-NEXT:    movl %eax, %edx
-; AVX2-64-NEXT:    andl $1, %edx
-; AVX2-64-NEXT:    orq %rcx, %rdx
-; AVX2-64-NEXT:    testq %rax, %rax
-; AVX2-64-NEXT:    cmovnsq %rax, %rdx
-; AVX2-64-NEXT:    vcvtsi2ss %rdx, %xmm1, %xmm1
-; AVX2-64-NEXT:    jns .LBB19_2
-; AVX2-64-NEXT:  # %bb.1:
-; AVX2-64-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX2-64-NEXT:  .LBB19_2:
+; AVX2-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
 ; AVX2-64-NEXT:    vmovq %xmm0, %rax
-; AVX2-64-NEXT:    movq %rax, %rcx
-; AVX2-64-NEXT:    shrq %rcx
-; AVX2-64-NEXT:    movl %eax, %edx
-; AVX2-64-NEXT:    andl $1, %edx
-; AVX2-64-NEXT:    orq %rcx, %rdx
-; AVX2-64-NEXT:    testq %rax, %rax
-; AVX2-64-NEXT:    cmovnsq %rax, %rdx
-; AVX2-64-NEXT:    vcvtsi2ss %rdx, %xmm2, %xmm2
-; AVX2-64-NEXT:    jns .LBB19_4
-; AVX2-64-NEXT:  # %bb.3:
-; AVX2-64-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX2-64-NEXT:  .LBB19_4:
-; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
+; AVX2-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm2 = xmm3[0],xmm2[0],xmm3[2,3]
 ; AVX2-64-NEXT:    vextracti128 $1, %ymm0, %xmm0
 ; AVX2-64-NEXT:    vmovq %xmm0, %rax
-; AVX2-64-NEXT:    movq %rax, %rcx
-; AVX2-64-NEXT:    shrq %rcx
-; AVX2-64-NEXT:    movl %eax, %edx
-; AVX2-64-NEXT:    andl $1, %edx
-; AVX2-64-NEXT:    orq %rcx, %rdx
-; AVX2-64-NEXT:    testq %rax, %rax
-; AVX2-64-NEXT:    cmovnsq %rax, %rdx
-; AVX2-64-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm2
-; AVX2-64-NEXT:    jns .LBB19_6
-; AVX2-64-NEXT:  # %bb.5:
-; AVX2-64-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX2-64-NEXT:  .LBB19_6:
-; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
+; AVX2-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm2 = xmm2[0,1],xmm3[0],xmm2[3]
 ; AVX2-64-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX2-64-NEXT:    movq %rax, %rcx
-; AVX2-64-NEXT:    shrq %rcx
-; AVX2-64-NEXT:    movl %eax, %edx
-; AVX2-64-NEXT:    andl $1, %edx
-; AVX2-64-NEXT:    orq %rcx, %rdx
-; AVX2-64-NEXT:    testq %rax, %rax
-; AVX2-64-NEXT:    cmovnsq %rax, %rdx
-; AVX2-64-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm0
-; AVX2-64-NEXT:    jns .LBB19_8
-; AVX2-64-NEXT:  # %bb.7:
-; AVX2-64-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX2-64-NEXT:  .LBB19_8:
-; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX2-64-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX2-64-NEXT:    vinsertps {{.*#+}} xmm0 = xmm2[0,1,2],xmm0[0]
+; AVX2-64-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX2-64-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-64-NEXT:    vpackssdw %xmm3, %xmm1, %xmm1
+; AVX2-64-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX2-64-NEXT:    vzeroupper
 ; AVX2-64-NEXT:    retq
 ;
diff --git a/llvm/test/CodeGen/X86/vec_int_to_fp.ll b/llvm/test/CodeGen/X86/vec_int_to_fp.ll
--- a/llvm/test/CodeGen/X86/vec_int_to_fp.ll
+++ b/llvm/test/CodeGen/X86/vec_int_to_fp.ll
@@ -1953,35 +1953,20 @@
 ;
 ; VEX-LABEL: uitofp_2i64_to_4f32:
 ; VEX:       # %bb.0:
+; VEX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; VEX-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
+; VEX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm2
+; VEX-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; VEX-NEXT:    vpor %xmm2, %xmm3, %xmm2
+; VEX-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0
 ; VEX-NEXT:    vpextrq $1, %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB41_1
-; VEX-NEXT:  # %bb.2:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    jmp .LBB41_3
-; VEX-NEXT:  .LBB41_1:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; VEX-NEXT:  .LBB41_3:
+; VEX-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
 ; VEX-NEXT:    vmovq %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB41_4
-; VEX-NEXT:  # %bb.5:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; 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
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
+; VEX-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],zero,zero
+; VEX-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; VEX-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,2,3]
+; VEX-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_2i64_to_4f32:
@@ -2100,35 +2085,21 @@
 ;
 ; VEX-LABEL: uitofp_2i64_to_2f32:
 ; VEX:       # %bb.0:
-; VEX-NEXT:    vmovq %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB42_1
-; VEX-NEXT:  # %bb.2:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    jmp .LBB42_3
-; VEX-NEXT:  .LBB42_1:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; VEX-NEXT:  .LBB42_3:
+; VEX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; VEX-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
+; VEX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm2
+; VEX-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; VEX-NEXT:    vpor %xmm2, %xmm3, %xmm2
+; VEX-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0
 ; VEX-NEXT:    vpextrq $1, %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB42_4
-; VEX-NEXT:  # %bb.5:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],zero,zero
-; VEX-NEXT:    retq
-; VEX-NEXT:  .LBB42_4:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],zero,zero
+; VEX-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
+; VEX-NEXT:    vmovq %xmm0, %rax
+; VEX-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],zero,zero
+; VEX-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; VEX-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,2,3]
+; VEX-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
+; VEX-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
 ; VEX-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_2i64_to_2f32:
@@ -2240,38 +2211,60 @@
 ; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; SSE41-NEXT:    retq
 ;
-; VEX-LABEL: uitofp_4i64_to_4f32_undef:
-; VEX:       # %bb.0:
-; VEX-NEXT:    vpextrq $1, %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB43_1
-; VEX-NEXT:  # %bb.2:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    jmp .LBB43_3
-; VEX-NEXT:  .LBB43_1:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; VEX-NEXT:  .LBB43_3:
-; VEX-NEXT:    vmovq %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB43_4
-; VEX-NEXT:  # %bb.5:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
-; VEX-NEXT:    retq
-; VEX-NEXT:  .LBB43_4:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
-; VEX-NEXT:    retq
+; AVX1-LABEL: uitofp_4i64_to_4f32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd {{.*}}(%rip), %ymm0, %ymm2
+; AVX1-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-NEXT:    vorpd %ymm2, %ymm3, %ymm2
+; AVX1-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX1-NEXT:    vmovq %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm3[0],xmm0[2,3]
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm2
+; AVX1-NEXT:    vcvtdq2ps %xmm2, %xmm3
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm3[0],xmm0[3]
+; AVX1-NEXT:    vpextrq $1, %xmm2, %rax
+; AVX1-NEXT:    vcvtsi2ss %eax, %xmm4, %xmm2
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm2[0]
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX1-NEXT:    vpackssdw %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: uitofp_4i64_to_4f32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 def $ymm0
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [1,1,1,1]
+; AVX2-NEXT:    vpand %ymm1, %ymm0, %ymm1
+; AVX2-NEXT:    vpsrlq $1, %ymm0, %ymm2
+; AVX2-NEXT:    vpor %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm1
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm1 = xmm3[0],xmm1[0],xmm3[2,3]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm3[0],xmm1[3]
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX2-NEXT:    vaddps %xmm0, %xmm0, %xmm1
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm3
+; AVX2-NEXT:    vpackssdw %xmm3, %xmm2, %xmm2
+; AVX2-NEXT:    vblendvps %xmm2, %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_4i64_to_4f32_undef:
 ; AVX512F:       # %bb.0:
@@ -2665,133 +2658,60 @@
 ;
 ; AVX1-LABEL: uitofp_4i64_to_4f32:
 ; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm2
+; AVX1-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpsrlq $1, %xmm4, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm3, %ymm3
+; AVX1-NEXT:    vandpd {{.*}}(%rip), %ymm0, %ymm5
+; AVX1-NEXT:    vorpd %ymm5, %ymm3, %ymm3
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm3, %xmm0, %xmm0
 ; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    js .LBB49_1
-; AVX1-NEXT:  # %bb.2:
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; AVX1-NEXT:    jmp .LBB49_3
-; AVX1-NEXT:  .LBB49_1:
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    andl $1, %eax
-; AVX1-NEXT:    orq %rcx, %rax
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; AVX1-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX1-NEXT:  .LBB49_3:
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm5
 ; AVX1-NEXT:    vmovq %xmm0, %rax
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    js .LBB49_4
-; AVX1-NEXT:  # %bb.5:
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; AVX1-NEXT:    jmp .LBB49_6
-; AVX1-NEXT:  .LBB49_4:
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    andl $1, %eax
-; AVX1-NEXT:    orq %rcx, %rax
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; AVX1-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-NEXT:  .LBB49_6:
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
-; AVX1-NEXT:    vmovq %xmm0, %rax
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    js .LBB49_7
-; AVX1-NEXT:  # %bb.8:
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; AVX1-NEXT:    jmp .LBB49_9
-; AVX1-NEXT:  .LBB49_7:
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    andl $1, %eax
-; AVX1-NEXT:    orq %rcx, %rax
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; AVX1-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-NEXT:  .LBB49_9:
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    js .LBB49_10
-; AVX1-NEXT:  # %bb.11:
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-; AVX1-NEXT:  .LBB49_10:
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    andl $1, %eax
-; AVX1-NEXT:    orq %rcx, %rax
-; AVX1-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; AVX1-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[2,3]
+; AVX1-NEXT:    vpcmpgtq %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm3
+; AVX1-NEXT:    vblendvpd %xmm1, %xmm3, %xmm4, %xmm3
+; AVX1-NEXT:    vmovq %xmm3, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm4
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm4[0],xmm0[3]
+; AVX1-NEXT:    vpextrq $1, %xmm3, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm3[0]
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm3
+; AVX1-NEXT:    vpackssdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vblendvps %xmm1, %xmm3, %xmm0, %xmm0
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
 ; AVX2-LABEL: uitofp_4i64_to_4f32:
 ; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [1,1,1,1]
+; AVX2-NEXT:    vpand %ymm2, %ymm0, %ymm2
+; AVX2-NEXT:    vpsrlq $1, %ymm0, %ymm3
+; AVX2-NEXT:    vpor %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX2-NEXT:    testq %rax, %rax
-; AVX2-NEXT:    js .LBB49_1
-; AVX2-NEXT:  # %bb.2:
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; AVX2-NEXT:    jmp .LBB49_3
-; AVX2-NEXT:  .LBB49_1:
-; AVX2-NEXT:    movq %rax, %rcx
-; AVX2-NEXT:    shrq %rcx
-; AVX2-NEXT:    andl $1, %eax
-; AVX2-NEXT:    orq %rcx, %rax
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; AVX2-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX2-NEXT:  .LBB49_3:
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
 ; AVX2-NEXT:    vmovq %xmm0, %rax
-; AVX2-NEXT:    testq %rax, %rax
-; AVX2-NEXT:    js .LBB49_4
-; AVX2-NEXT:  # %bb.5:
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; AVX2-NEXT:    jmp .LBB49_6
-; AVX2-NEXT:  .LBB49_4:
-; AVX2-NEXT:    movq %rax, %rcx
-; AVX2-NEXT:    shrq %rcx
-; AVX2-NEXT:    andl $1, %eax
-; AVX2-NEXT:    orq %rcx, %rax
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; AVX2-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX2-NEXT:  .LBB49_6:
-; AVX2-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm2 = xmm3[0],xmm2[0],xmm3[2,3]
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
 ; AVX2-NEXT:    vmovq %xmm0, %rax
-; AVX2-NEXT:    testq %rax, %rax
-; AVX2-NEXT:    js .LBB49_7
-; AVX2-NEXT:  # %bb.8:
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; AVX2-NEXT:    jmp .LBB49_9
-; AVX2-NEXT:  .LBB49_7:
-; AVX2-NEXT:    movq %rax, %rcx
-; AVX2-NEXT:    shrq %rcx
-; AVX2-NEXT:    andl $1, %eax
-; AVX2-NEXT:    orq %rcx, %rax
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; AVX2-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX2-NEXT:  .LBB49_9:
-; AVX2-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm2 = xmm2[0,1],xmm3[0],xmm2[3]
 ; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX2-NEXT:    testq %rax, %rax
-; AVX2-NEXT:    js .LBB49_10
-; AVX2-NEXT:  # %bb.11:
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
-; AVX2-NEXT:    vzeroupper
-; AVX2-NEXT:    retq
-; AVX2-NEXT:  .LBB49_10:
-; AVX2-NEXT:    movq %rax, %rcx
-; AVX2-NEXT:    shrq %rcx
-; AVX2-NEXT:    andl $1, %eax
-; AVX2-NEXT:    orq %rcx, %rax
-; AVX2-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; AVX2-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm2[0,1,2],xmm0[0]
+; AVX2-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpackssdw %xmm3, %xmm1, %xmm1
+; AVX2-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
 ;
@@ -4717,70 +4637,67 @@
 ; SSE41-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
 ; SSE41-NEXT:    retq
 ;
-; VEX-LABEL: uitofp_load_4i64_to_4f32:
-; VEX:       # %bb.0:
-; VEX-NEXT:    vmovdqa (%rdi), %xmm2
-; VEX-NEXT:    vmovaps 16(%rdi), %xmm0
-; VEX-NEXT:    vpextrq $1, %xmm2, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB83_1
-; VEX-NEXT:  # %bb.2:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    jmp .LBB83_3
-; VEX-NEXT:  .LBB83_1:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
-; VEX-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; VEX-NEXT:  .LBB83_3:
-; VEX-NEXT:    vmovq %xmm2, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB83_4
-; VEX-NEXT:  # %bb.5:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; VEX-NEXT:    jmp .LBB83_6
-; VEX-NEXT:  .LBB83_4:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; VEX-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; VEX-NEXT:  .LBB83_6:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; VEX-NEXT:    vmovq %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB83_7
-; VEX-NEXT:  # %bb.8:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; VEX-NEXT:    jmp .LBB83_9
-; VEX-NEXT:  .LBB83_7:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm2
-; VEX-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; VEX-NEXT:  .LBB83_9:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; VEX-NEXT:    vpextrq $1, %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB83_10
-; VEX-NEXT:  # %bb.11:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
-; VEX-NEXT:    retq
-; VEX-NEXT:  .LBB83_10:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm0
-; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
-; VEX-NEXT:    retq
+; AVX1-LABEL: uitofp_load_4i64_to_4f32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovapd (%rdi), %ymm0
+; AVX1-NEXT:    vmovdqa (%rdi), %xmm1
+; AVX1-NEXT:    vmovdqa 16(%rdi), %xmm2
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpcmpgtq %xmm1, %xmm3, %xmm4
+; AVX1-NEXT:    vpsrlq $1, %xmm1, %xmm5
+; AVX1-NEXT:    vpsrlq $1, %xmm2, %xmm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm5, %ymm5
+; AVX1-NEXT:    vandpd {{.*}}(%rip), %ymm0, %ymm0
+; AVX1-NEXT:    vorpd %ymm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %xmm4, %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm5
+; AVX1-NEXT:    vmovq %xmm1, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm1
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0],xmm5[0],xmm1[2,3]
+; AVX1-NEXT:    vpcmpgtq %xmm2, %xmm3, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vblendvpd %xmm3, %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm2
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm1
+; AVX1-NEXT:    vpackssdw %xmm3, %xmm4, %xmm2
+; AVX1-NEXT:    vblendvps %xmm2, %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: uitofp_load_4i64_to_4f32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [1,1,1,1]
+; AVX2-NEXT:    vpand %ymm2, %ymm0, %ymm2
+; AVX2-NEXT:    vpsrlq $1, %ymm0, %ymm3
+; AVX2-NEXT:    vpor %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm2 = xmm3[0],xmm2[0],xmm3[2,3]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm3
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm2 = xmm2[0,1],xmm3[0],xmm2[3]
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm2[0,1,2],xmm0[0]
+; AVX2-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpackssdw %xmm3, %xmm1, %xmm1
+; AVX2-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_load_4i64_to_4f32:
 ; AVX512F:       # %bb.0:
@@ -5236,132 +5153,115 @@
 ; SSE41-NEXT:    insertps {{.*#+}} xmm1 = xmm1[0,1,2],xmm2[0]
 ; SSE41-NEXT:    retq
 ;
-; VEX-LABEL: uitofp_load_8i64_to_8f32:
-; VEX:       # %bb.0:
-; VEX-NEXT:    vmovdqa (%rdi), %xmm1
-; VEX-NEXT:    vmovaps 16(%rdi), %xmm0
-; VEX-NEXT:    vmovdqa 32(%rdi), %xmm4
-; VEX-NEXT:    vmovdqa 48(%rdi), %xmm3
-; VEX-NEXT:    vpextrq $1, %xmm4, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_1
-; VEX-NEXT:  # %bb.2:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; VEX-NEXT:    jmp .LBB87_3
-; VEX-NEXT:  .LBB87_1:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm2
-; VEX-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; VEX-NEXT:  .LBB87_3:
-; VEX-NEXT:    vmovq %xmm4, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_4
-; VEX-NEXT:  # %bb.5:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm5, %xmm5
-; VEX-NEXT:    jmp .LBB87_6
-; VEX-NEXT:  .LBB87_4:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm5, %xmm4
-; VEX-NEXT:    vaddss %xmm4, %xmm4, %xmm5
-; VEX-NEXT:  .LBB87_6:
-; VEX-NEXT:    vmovq %xmm3, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_7
-; VEX-NEXT:  # %bb.8:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm4
-; VEX-NEXT:    jmp .LBB87_9
-; VEX-NEXT:  .LBB87_7:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm4
-; VEX-NEXT:    vaddss %xmm4, %xmm4, %xmm4
-; VEX-NEXT:  .LBB87_9:
-; VEX-NEXT:    vpextrq $1, %xmm3, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_10
-; VEX-NEXT:  # %bb.11:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm3
-; VEX-NEXT:    jmp .LBB87_12
-; VEX-NEXT:  .LBB87_10:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm3
-; VEX-NEXT:    vaddss %xmm3, %xmm3, %xmm3
-; VEX-NEXT:  .LBB87_12:
-; VEX-NEXT:    vpextrq $1, %xmm1, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_13
-; VEX-NEXT:  # %bb.14:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm6
-; VEX-NEXT:    jmp .LBB87_15
-; VEX-NEXT:  .LBB87_13:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm6
-; VEX-NEXT:    vaddss %xmm6, %xmm6, %xmm6
-; VEX-NEXT:  .LBB87_15:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm2 = xmm5[0],xmm2[0],xmm5[2,3]
-; VEX-NEXT:    vmovq %xmm1, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_16
-; VEX-NEXT:  # %bb.17:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm1
-; VEX-NEXT:    jmp .LBB87_18
-; VEX-NEXT:  .LBB87_16:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm1
-; VEX-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; VEX-NEXT:  .LBB87_18:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm5 = xmm1[0],xmm6[0],xmm1[2,3]
-; VEX-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0,1],xmm4[0],xmm2[3]
-; VEX-NEXT:    vmovq %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_19
-; VEX-NEXT:  # %bb.20:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm2
-; VEX-NEXT:    jmp .LBB87_21
-; VEX-NEXT:  .LBB87_19:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm2
-; VEX-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; VEX-NEXT:  .LBB87_21:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm2 = xmm5[0,1],xmm2[0],xmm5[3]
-; VEX-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1,2],xmm3[0]
-; VEX-NEXT:    vpextrq $1, %xmm0, %rax
-; VEX-NEXT:    testq %rax, %rax
-; VEX-NEXT:    js .LBB87_22
-; VEX-NEXT:  # %bb.23:
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm0
-; VEX-NEXT:    jmp .LBB87_24
-; VEX-NEXT:  .LBB87_22:
-; VEX-NEXT:    movq %rax, %rcx
-; VEX-NEXT:    shrq %rcx
-; VEX-NEXT:    andl $1, %eax
-; VEX-NEXT:    orq %rcx, %rax
-; VEX-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm0
-; VEX-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; VEX-NEXT:  .LBB87_24:
-; VEX-NEXT:    vinsertps {{.*#+}} xmm0 = xmm2[0,1,2],xmm0[0]
-; VEX-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; VEX-NEXT:    retq
+; AVX1-LABEL: uitofp_load_8i64_to_8f32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovaps {{.*#+}} ymm8 = [1,1,1,1]
+; AVX1-NEXT:    vandps 32(%rdi), %ymm8, %ymm2
+; AVX1-NEXT:    vmovdqa (%rdi), %xmm1
+; AVX1-NEXT:    vmovaps 16(%rdi), %xmm0
+; AVX1-NEXT:    vmovdqa 32(%rdi), %xmm4
+; AVX1-NEXT:    vmovdqa 48(%rdi), %xmm5
+; AVX1-NEXT:    vpsrlq $1, %xmm4, %xmm6
+; AVX1-NEXT:    vpsrlq $1, %xmm5, %xmm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm6
+; AVX1-NEXT:    vorps %ymm2, %ymm6, %ymm6
+; AVX1-NEXT:    vxorps %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpcmpgtq %xmm4, %xmm2, %xmm7
+; AVX1-NEXT:    vblendvpd %xmm7, %xmm6, %xmm4, %xmm4
+; AVX1-NEXT:    vpextrq $1, %xmm4, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm3, %xmm3
+; AVX1-NEXT:    vmovq %xmm4, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm4
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm3 = xmm4[0],xmm3[0],xmm4[2,3]
+; AVX1-NEXT:    vextractf128 $1, %ymm6, %xmm4
+; AVX1-NEXT:    vpcmpgtq %xmm5, %xmm2, %xmm6
+; AVX1-NEXT:    vblendvpd %xmm6, %xmm4, %xmm5, %xmm4
+; AVX1-NEXT:    vmovq %xmm4, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm5
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm3 = xmm3[0,1],xmm5[0],xmm3[3]
+; AVX1-NEXT:    vpextrq $1, %xmm4, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm4
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm3 = xmm3[0,1,2],xmm4[0]
+; AVX1-NEXT:    vaddps %xmm3, %xmm3, %xmm4
+; AVX1-NEXT:    vpackssdw %xmm6, %xmm7, %xmm5
+; AVX1-NEXT:    vblendvps %xmm5, %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vandps (%rdi), %ymm8, %ymm4
+; AVX1-NEXT:    vpsrlq $1, %xmm1, %xmm5
+; AVX1-NEXT:    vpsrlq $1, %xmm0, %xmm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm5, %ymm5
+; AVX1-NEXT:    vorps %ymm4, %ymm5, %ymm4
+; AVX1-NEXT:    vpcmpgtq %xmm1, %xmm2, %xmm5
+; AVX1-NEXT:    vblendvpd %xmm5, %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm6
+; AVX1-NEXT:    vmovq %xmm1, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm1
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0],xmm6[0],xmm1[2,3]
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm4
+; AVX1-NEXT:    vpcmpgtq %xmm0, %xmm2, %xmm2
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm4
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm4[0],xmm1[3]
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm9, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm1
+; AVX1-NEXT:    vpackssdw %xmm2, %xmm5, %xmm2
+; AVX1-NEXT:    vblendvps %xmm2, %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: uitofp_load_8i64_to_8f32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovaps (%rdi), %ymm0
+; AVX2-NEXT:    vmovdqa 32(%rdi), %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [1,1,1,1]
+; AVX2-NEXT:    vpand %ymm4, %ymm1, %ymm5
+; AVX2-NEXT:    vpsrlq $1, %ymm1, %ymm6
+; AVX2-NEXT:    vpor %ymm5, %ymm6, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm5
+; AVX2-NEXT:    vmovq %xmm1, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm6
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm5 = xmm6[0],xmm5[0],xmm6[2,3]
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vmovq %xmm1, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm6
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm5 = xmm5[0,1],xmm6[0],xmm5[3]
+; AVX2-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm1
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm1 = xmm5[0,1,2],xmm1[0]
+; AVX2-NEXT:    vaddps %xmm1, %xmm1, %xmm5
+; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm6
+; AVX2-NEXT:    vpackssdw %xmm6, %xmm3, %xmm3
+; AVX2-NEXT:    vblendvps %xmm3, %xmm5, %xmm1, %xmm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm2
+; AVX2-NEXT:    vpand %ymm4, %ymm0, %ymm3
+; AVX2-NEXT:    vpsrlq $1, %ymm0, %ymm4
+; AVX2-NEXT:    vpor %ymm3, %ymm4, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm3
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm4
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm3 = xmm4[0],xmm3[0],xmm4[2,3]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm4
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm3 = xmm3[0,1],xmm4[0],xmm3[3]
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    vcvtsi2ss %rax, %xmm7, %xmm0
+; AVX2-NEXT:    vinsertps {{.*#+}} xmm0 = xmm3[0,1,2],xmm0[0]
+; AVX2-NEXT:    vaddps %xmm0, %xmm0, %xmm3
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vpackssdw %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vblendvps %xmm2, %xmm3, %xmm0, %xmm0
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: uitofp_load_8i64_to_8f32:
 ; AVX512F:       # %bb.0:
diff --git a/llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll b/llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll
--- a/llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll
+++ b/llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll
@@ -6939,33 +6939,20 @@
 ;
 ; AVX1-LABEL: constrained_vector_uitofp_v2f32_v2i64:
 ; AVX1:       # %bb.0: # %entry
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm2
+; AVX1-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-NEXT:    vpor %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm1, %xmm1
-; AVX1-NEXT:    jns .LBB174_2
-; AVX1-NEXT:  # %bb.1:
-; AVX1-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX1-NEXT:  .LBB174_2: # %entry
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm2
 ; AVX1-NEXT:    vmovq %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm2, %xmm0
-; AVX1-NEXT:    jns .LBB174_4
-; AVX1-NEXT:  # %bb.3:
-; AVX1-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX1-NEXT:  .LBB174_4: # %entry
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm4, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],zero,zero
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm2
+; AVX1-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,2,3]
+; AVX1-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    retq
 ;
 ; AVX512-LABEL: constrained_vector_uitofp_v2f32_v2i64:
@@ -7476,62 +7463,32 @@
 ;
 ; AVX1-LABEL: constrained_vector_uitofp_v4f32_v4i64:
 ; AVX1:       # %bb.0: # %entry
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm2
+; AVX1-NEXT:    vpsrlq $1, %xmm0, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpsrlq $1, %xmm4, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm3, %ymm3
+; AVX1-NEXT:    vandpd {{.*}}(%rip), %ymm0, %ymm5
+; AVX1-NEXT:    vorpd %ymm5, %ymm3, %ymm3
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm3, %xmm0, %xmm0
 ; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm1, %xmm1
-; AVX1-NEXT:    jns .LBB182_2
-; AVX1-NEXT:  # %bb.1:
-; AVX1-NEXT:    vaddss %xmm1, %xmm1, %xmm1
-; AVX1-NEXT:  .LBB182_2: # %entry
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm5
 ; AVX1-NEXT:    vmovq %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm2, %xmm2
-; AVX1-NEXT:    jns .LBB182_4
-; AVX1-NEXT:  # %bb.3:
-; AVX1-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-NEXT:  .LBB182_4: # %entry
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
-; AVX1-NEXT:    vmovq %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm2
-; AVX1-NEXT:    jns .LBB182_6
-; AVX1-NEXT:  # %bb.5:
-; AVX1-NEXT:    vaddss %xmm2, %xmm2, %xmm2
-; AVX1-NEXT:  .LBB182_6: # %entry
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX1-NEXT:    movq %rax, %rcx
-; AVX1-NEXT:    shrq %rcx
-; AVX1-NEXT:    movl %eax, %edx
-; AVX1-NEXT:    andl $1, %edx
-; AVX1-NEXT:    orq %rcx, %rdx
-; AVX1-NEXT:    testq %rax, %rax
-; AVX1-NEXT:    cmovnsq %rax, %rdx
-; AVX1-NEXT:    vcvtsi2ss %rdx, %xmm3, %xmm0
-; AVX1-NEXT:    jns .LBB182_8
-; AVX1-NEXT:  # %bb.7:
-; AVX1-NEXT:    vaddss %xmm0, %xmm0, %xmm0
-; AVX1-NEXT:  .LBB182_8: # %entry
-; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm0
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[2,3]
+; AVX1-NEXT:    vpcmpgtq %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm3
+; AVX1-NEXT:    vblendvpd %xmm1, %xmm3, %xmm4, %xmm3
+; AVX1-NEXT:    vmovq %xmm3, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm4
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm4[0],xmm0[3]
+; AVX1-NEXT:    vpextrq $1, %xmm3, %rax
+; AVX1-NEXT:    vcvtsi2ss %rax, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm3[0]
+; AVX1-NEXT:    vaddps %xmm0, %xmm0, %xmm3
+; AVX1-NEXT:    vpackssdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vblendvps %xmm1, %xmm3, %xmm0, %xmm0
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;