Index: llvm/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -33842,6 +33842,36 @@
   unsigned NumMaskElts = Mask.size();
   unsigned EltSizeInBits = MaskVT.getScalarSizeInBits();
 
+  if (AllowIntDomain && EltSizeInBits == 64 &&
+      ((MaskVT.is128BitVector() && Subtarget.hasVLX()) ||
+       (MaskVT.is256BitVector() && Subtarget.hasVLX()) ||
+       (MaskVT.is512BitVector() && Subtarget.hasAVX512()))) {
+    if (!any_of(Mask, [](int M) { return M == SM_SentinelZero; })) {
+      int Rotation = matchShuffleAsElementRotate(V1, V2, Mask);
+      if (0 < Rotation) {
+        Shuffle = X86ISD::VALIGN;
+        ShuffleVT = MVT::getVectorVT(MVT::i64, MaskVT.getSizeInBits() / 64);
+        PermuteImm = Rotation;
+        return true;
+      }
+    }
+  }
+
+  if (AllowIntDomain && EltSizeInBits == 32 &&
+      ((MaskVT.is128BitVector() && Subtarget.hasVLX()) ||
+       (MaskVT.is256BitVector() && Subtarget.hasVLX()) ||
+       (MaskVT.is512BitVector() && Subtarget.hasAVX512()))) {
+    if (!any_of(Mask, [](int M) { return M == SM_SentinelZero; })) {
+      int Rotation = matchShuffleAsElementRotate(V1, V2, Mask);
+      if (0 < Rotation) {
+        Shuffle = X86ISD::VALIGN;
+        ShuffleVT = MVT::getVectorVT(MVT::i32, MaskVT.getSizeInBits() / 32);
+        PermuteImm = Rotation;
+        return true;
+      }
+    }
+  }
+
   // Attempt to match against PALIGNR byte rotate.
   if (AllowIntDomain && ((MaskVT.is128BitVector() && Subtarget.hasSSSE3()) ||
                          (MaskVT.is256BitVector() && Subtarget.hasAVX2()) ||
@@ -34035,10 +34065,14 @@
   // is different from the root element size - this would prevent writemasks
   // from being reused.
   // TODO - this currently prevents all lane shuffles from occurring.
-  // TODO - check for writemasks usage instead of always preventing combining.
   // TODO - attempt to narrow Mask back to writemask size.
-  bool IsEVEXShuffle =
-      RootSizeInBits == 512 || (Subtarget.hasVLX() && RootSizeInBits >= 128);
+  bool IsMaskedShuffle = false;
+  if (RootSizeInBits == 512 || (Subtarget.hasVLX() && RootSizeInBits >= 128)) {
+    if (Root.hasOneUse() && Root->use_begin()->getOpcode() == ISD::VSELECT &&
+        Root->use_begin()->getOperand(0).getScalarValueSizeInBits() == 1) {
+      IsMaskedShuffle = true;
+    }
+  }
 
   // Attempt to match a subvector broadcast.
   // shuffle(insert_subvector(undef, sub, 0), undef, 0, 0, 0, 0)
@@ -34079,7 +34113,60 @@
       return DAG.getBitcast(RootVT, Res);
     }
 
-    // TODO - handle AVX512 cases with X86ISD::SHUF128.
+    SmallVector<int, 4> Mask;
+    if (BaseMaskEltSizeInBits > 128) {
+      assert((BaseMaskEltSizeInBits % 128) == 0 && "Illegal mask size");
+      int MaskScale = BaseMaskEltSizeInBits / 128;
+      scaleShuffleMask(MaskScale, BaseMask, Mask);
+    } else {
+      Mask.assign(BaseMask.begin(), BaseMask.end());
+    }
+
+    // Try to lower to vshuf64x2/vshuf32x4.
+    auto MatchSHUF128 = [](MVT ShuffleVT, const SDLoc &DL, ArrayRef<int> Mask,
+                           SDValue V1, SDValue V2, SelectionDAG &DAG) {
+      unsigned PermMask = 0;
+      // Insure elements came from the same Op.
+      SDValue Ops[2] = {DAG.getUNDEF(ShuffleVT), DAG.getUNDEF(ShuffleVT)};
+      for (int i = 0; i < 4; ++i) {
+        assert(Mask[i] >= -1 && "Illegal shuffle sentinel value");
+        if (Mask[i] < 0)
+          continue;
+
+        SDValue Op = Mask[i] >= 4 ? V2 : V1;
+        unsigned OpIndex = i / 2;
+        if (Ops[OpIndex].isUndef())
+          Ops[OpIndex] = Op;
+        else if (Ops[OpIndex] != Op)
+          return SDValue();
+
+        // Convert the 128-bit shuffle mask selection values into 128-bit selection
+        // bits defined by a vshuf64x2 instruction's immediate control byte.
+        PermMask |= (Mask[i] % 4) << (i * 2);
+      }
+
+      return DAG.getNode(X86ISD::SHUF128, DL, ShuffleVT,
+                         DAG.getBitcast(ShuffleVT, Ops[0]),
+                         DAG.getBitcast(ShuffleVT, Ops[1]),
+                         DAG.getTargetConstant(PermMask, DL, MVT::i8));
+    };
+
+    // FIXME: Is there a better way to do this? is256BitLaneRepeatedShuffleMask
+    // doesn't work because our mask is for 128 bits and we don't have an MVT
+    // to match that.
+    bool PreferPERMQ = UnaryShuffle &&
+                       isUndefOrInRange(Mask[0], 0, 2) &&
+                       isUndefOrInRange(Mask[1], 0, 2) &&
+                       isUndefOrInRange(Mask[2], 2, 4) &&
+                       isUndefOrInRange(Mask[3], 2, 4) &&
+                       (Mask[0] < 0 || Mask[2] < 0 || Mask[0] == (Mask[2] % 2)) &&
+                       (Mask[1] < 0 || Mask[3] < 0 || Mask[1] == (Mask[3] % 2));
+
+
+    if (!isAnyZero(Mask) && !PreferPERMQ) {
+      if (SDValue V = MatchSHUF128(ShuffleVT, DL, Mask, V1, V2, DAG))
+        return DAG.getBitcast(RootVT, V);
+    }
   }
 
   // Handle 128-bit lane shuffles of 256-bit vectors.
@@ -34119,8 +34206,11 @@
       return DAG.getBitcast(RootVT, Res);
     }
 
+    if (Depth == 0 && Root.getOpcode() == X86ISD::SHUF128)
+      return SDValue(); // Nothing to do!
+
     // TODO - handle AVX512VL cases with X86ISD::SHUF128.
-    if (!UnaryShuffle && !IsEVEXShuffle) {
+    if (!UnaryShuffle && !IsMaskedShuffle) {
       assert(llvm::all_of(BaseMask, [](int M) { return 0 <= M && M < 4; }) &&
              "Unexpected shuffle sentinel value");
       // Prefer blends to X86ISD::VPERM2X128.
@@ -34200,7 +34290,7 @@
     // Attempt to match against broadcast-from-vector.
     // Limit AVX1 to cases where we're loading+broadcasting a scalar element.
     if ((Subtarget.hasAVX2() || (Subtarget.hasAVX() && 32 <= MaskEltSizeInBits))
-        && (!IsEVEXShuffle || NumRootElts == NumMaskElts)) {
+        && (!IsMaskedShuffle || NumRootElts == NumMaskElts)) {
       SmallVector<int, 64> BroadcastMask(NumMaskElts, 0);
       if (isTargetShuffleEquivalent(Mask, BroadcastMask)) {
         if (V1.getValueType() == MaskVT &&
@@ -34226,7 +34316,7 @@
     if (matchUnaryShuffle(MaskVT, Mask, AllowFloatDomain, AllowIntDomain, NewV1,
                           DL, DAG, Subtarget, Shuffle, ShuffleSrcVT,
                           ShuffleVT) &&
-        (!IsEVEXShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
+        (!IsMaskedShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
       if (Depth == 0 && Root.getOpcode() == Shuffle)
         return SDValue(); // Nothing to do!
       Res = DAG.getBitcast(ShuffleSrcVT, NewV1);
@@ -34237,7 +34327,7 @@
     if (matchUnaryPermuteShuffle(MaskVT, Mask, Zeroable, AllowFloatDomain,
                                  AllowIntDomain, Subtarget, Shuffle, ShuffleVT,
                                  PermuteImm) &&
-        (!IsEVEXShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
+        (!IsMaskedShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
       if (Depth == 0 && Root.getOpcode() == Shuffle)
         return SDValue(); // Nothing to do!
       Res = DAG.getBitcast(ShuffleVT, V1);
@@ -34252,7 +34342,7 @@
   if (matchBinaryShuffle(MaskVT, Mask, AllowFloatDomain, AllowIntDomain, NewV1,
                          NewV2, DL, DAG, Subtarget, Shuffle, ShuffleSrcVT,
                          ShuffleVT, UnaryShuffle) &&
-      (!IsEVEXShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
+      (!IsMaskedShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
     if (Depth == 0 && Root.getOpcode() == Shuffle)
       return SDValue(); // Nothing to do!
     NewV1 = DAG.getBitcast(ShuffleSrcVT, NewV1);
@@ -34266,7 +34356,7 @@
   if (matchBinaryPermuteShuffle(
           MaskVT, Mask, Zeroable, AllowFloatDomain, AllowIntDomain, NewV1,
           NewV2, DL, DAG, Subtarget, Shuffle, ShuffleVT, PermuteImm) &&
-      (!IsEVEXShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
+      (!IsMaskedShuffle || (NumRootElts == ShuffleVT.getVectorNumElements()))) {
     if (Depth == 0 && Root.getOpcode() == Shuffle)
       return SDValue(); // Nothing to do!
     NewV1 = DAG.getBitcast(ShuffleVT, NewV1);
Index: llvm/test/CodeGen/X86/avx-intrinsics-x86-upgrade.ll
===================================================================
--- llvm/test/CodeGen/X86/avx-intrinsics-x86-upgrade.ll
+++ llvm/test/CodeGen/X86/avx-intrinsics-x86-upgrade.ll
@@ -655,11 +655,10 @@
 ; X86-AVX512VL-LABEL: test_x86_sse2_storeu_pd:
 ; X86-AVX512VL:       # %bb.0:
 ; X86-AVX512VL-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]
-; X86-AVX512VL-NEXT:    vmovsd {{\.LCPI.*}}, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x0d,A,A,A,A]
+; X86-AVX512VL-NEXT:    vxorpd %xmm1, %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x57,0xc9]
+; X86-AVX512VL-NEXT:    vmovhpd {{\.LCPI.*}}, %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x16,0x0d,A,A,A,A]
 ; X86-AVX512VL-NEXT:    # fixup A - offset: 4, value: {{\.LCPI.*}}, kind: FK_Data_4
-; X86-AVX512VL-NEXT:    # xmm1 = mem[0],zero
-; X86-AVX512VL-NEXT:    vpslldq $8, %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x73,0xf9,0x08]
-; X86-AVX512VL-NEXT:    # xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; X86-AVX512VL-NEXT:    # xmm1 = xmm1[0],mem[0]
 ; X86-AVX512VL-NEXT:    vaddpd %xmm1, %xmm0, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf9,0x58,0xc1]
 ; X86-AVX512VL-NEXT:    vmovupd %xmm0, (%eax) # EVEX TO VEX Compression encoding: [0xc5,0xf9,0x11,0x00]
 ; X86-AVX512VL-NEXT:    retl # encoding: [0xc3]
@@ -676,11 +675,10 @@
 ;
 ; X64-AVX512VL-LABEL: test_x86_sse2_storeu_pd:
 ; X64-AVX512VL:       # %bb.0:
-; X64-AVX512VL-NEXT:    vmovsd {{.*}}(%rip), %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x0d,A,A,A,A]
+; X64-AVX512VL-NEXT:    vxorpd %xmm1, %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x57,0xc9]
+; X64-AVX512VL-NEXT:    vmovhpd {{.*}}(%rip), %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x16,0x0d,A,A,A,A]
 ; X64-AVX512VL-NEXT:    # fixup A - offset: 4, value: {{\.LCPI.*}}-4, kind: reloc_riprel_4byte
-; X64-AVX512VL-NEXT:    # xmm1 = mem[0],zero
-; X64-AVX512VL-NEXT:    vpslldq $8, %xmm1, %xmm1 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0x73,0xf9,0x08]
-; X64-AVX512VL-NEXT:    # xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; X64-AVX512VL-NEXT:    # xmm1 = xmm1[0],mem[0]
 ; X64-AVX512VL-NEXT:    vaddpd %xmm1, %xmm0, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf9,0x58,0xc1]
 ; X64-AVX512VL-NEXT:    vmovupd %xmm0, (%rdi) # EVEX TO VEX Compression encoding: [0xc5,0xf9,0x11,0x07]
 ; X64-AVX512VL-NEXT:    retq # encoding: [0xc3]
Index: llvm/test/CodeGen/X86/avx512-cvt.ll
===================================================================
--- llvm/test/CodeGen/X86/avx512-cvt.ll
+++ llvm/test/CodeGen/X86/avx512-cvt.ll
@@ -120,30 +120,20 @@
 }
 
 define <2 x float> @sltof2f32(<2 x i64> %a) {
-; 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
+; 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],zero,zero
+; NODQ-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:    vunpcklps {{.*#+}} 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/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
===================================================================
--- llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
+++ llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
@@ -2171,8 +2171,8 @@
 define <2 x i64> @test_8xi64_to_2xi64_perm_mask0(<8 x i64> %vec) {
 ; CHECK-LABEL: test_8xi64_to_2xi64_perm_mask0:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpermpd {{.*#+}} zmm0 = zmm0[3,0,2,3,7,4,6,7]
-; CHECK-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
+; CHECK-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; CHECK-NEXT:    vpalignr {{.*#+}} xmm0 = xmm1[8,9,10,11,12,13,14,15],xmm0[0,1,2,3,4,5,6,7]
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %res = shufflevector <8 x i64> %vec, <8 x i64> undef, <2 x i32> <i32 3, i32 0>
@@ -2181,9 +2181,10 @@
 define <2 x i64> @test_masked_8xi64_to_2xi64_perm_mask0(<8 x i64> %vec, <2 x i64> %vec2, <2 x i64> %mask) {
 ; CHECK-LABEL: test_masked_8xi64_to_2xi64_perm_mask0:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpermq {{.*#+}} zmm0 = zmm0[3,0,2,3,7,4,6,7]
+; CHECK-NEXT:    vextracti128 $1, %ymm0, %xmm3
 ; CHECK-NEXT:    vptestnmq %xmm2, %xmm2, %k1
-; CHECK-NEXT:    vpblendmq %xmm0, %xmm1, %xmm0 {%k1}
+; CHECK-NEXT:    valignq {{.*#+}} xmm1 {%k1} = xmm3[1],xmm0[0]
+; CHECK-NEXT:    vmovdqa %xmm1, %xmm0
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %shuf = shufflevector <8 x i64> %vec, <8 x i64> undef, <2 x i32> <i32 3, i32 0>
@@ -2195,9 +2196,9 @@
 define <2 x i64> @test_masked_z_8xi64_to_2xi64_perm_mask0(<8 x i64> %vec, <2 x i64> %mask) {
 ; CHECK-LABEL: test_masked_z_8xi64_to_2xi64_perm_mask0:
 ; CHECK:       # %bb.0:
+; CHECK-NEXT:    vextracti128 $1, %ymm0, %xmm2
 ; CHECK-NEXT:    vptestnmq %xmm1, %xmm1, %k1
-; CHECK-NEXT:    vpermq {{.*#+}} zmm0 {%k1} {z} = zmm0[3,0,2,3,7,4,6,7]
-; CHECK-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
+; CHECK-NEXT:    valignq {{.*#+}} xmm0 {%k1} {z} = xmm2[1],xmm0[0]
 ; CHECK-NEXT:    vzeroupper
 ; CHECK-NEXT:    retq
   %shuf = shufflevector <8 x i64> %vec, <8 x i64> undef, <2 x i32> <i32 3, i32 0>
Index: llvm/test/CodeGen/X86/sse2-intrinsics-x86-upgrade.ll
===================================================================
--- llvm/test/CodeGen/X86/sse2-intrinsics-x86-upgrade.ll
+++ llvm/test/CodeGen/X86/sse2-intrinsics-x86-upgrade.ll
@@ -350,11 +350,10 @@
 ; X86-AVX512-LABEL: test_x86_sse2_storeu_pd:
 ; X86-AVX512:       ## %bb.0:
 ; X86-AVX512-NEXT:    movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04]
-; X86-AVX512-NEXT:    vmovsd LCPI11_0, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x0d,A,A,A,A]
+; X86-AVX512-NEXT:    vxorpd %xmm1, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x57,0xc9]
+; X86-AVX512-NEXT:    vmovhpd LCPI11_0, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x16,0x0d,A,A,A,A]
 ; X86-AVX512-NEXT:    ## fixup A - offset: 4, value: LCPI11_0, kind: FK_Data_4
-; X86-AVX512-NEXT:    ## xmm1 = mem[0],zero
-; X86-AVX512-NEXT:    vpslldq $8, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x73,0xf9,0x08]
-; X86-AVX512-NEXT:    ## xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; X86-AVX512-NEXT:    ## xmm1 = xmm1[0],mem[0]
 ; X86-AVX512-NEXT:    vaddpd %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x58,0xc1]
 ; X86-AVX512-NEXT:    vmovupd %xmm0, (%eax) ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x11,0x00]
 ; X86-AVX512-NEXT:    retl ## encoding: [0xc3]
@@ -381,11 +380,10 @@
 ;
 ; X64-AVX512-LABEL: test_x86_sse2_storeu_pd:
 ; X64-AVX512:       ## %bb.0:
-; X64-AVX512-NEXT:    vmovsd {{.*}}(%rip), %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x0d,A,A,A,A]
+; X64-AVX512-NEXT:    vxorpd %xmm1, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x57,0xc9]
+; X64-AVX512-NEXT:    vmovhpd {{.*}}(%rip), %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x16,0x0d,A,A,A,A]
 ; X64-AVX512-NEXT:    ## fixup A - offset: 4, value: LCPI11_0-4, kind: reloc_riprel_4byte
-; X64-AVX512-NEXT:    ## xmm1 = mem[0],zero
-; X64-AVX512-NEXT:    vpslldq $8, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0x73,0xf9,0x08]
-; X64-AVX512-NEXT:    ## xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; X64-AVX512-NEXT:    ## xmm1 = xmm1[0],mem[0]
 ; X64-AVX512-NEXT:    vaddpd %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x58,0xc1]
 ; X64-AVX512-NEXT:    vmovupd %xmm0, (%rdi) ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x11,0x07]
 ; X64-AVX512-NEXT:    retq ## encoding: [0xc3]
Index: llvm/test/CodeGen/X86/sse41.ll
===================================================================
--- llvm/test/CodeGen/X86/sse41.ll
+++ llvm/test/CodeGen/X86/sse41.ll
@@ -1976,10 +1976,8 @@
 ;
 ; AVX512-LABEL: insertps_5:
 ; AVX512:       ## %bb.0:
-; AVX512-NEXT:    vpblendd $2, %xmm1, %xmm0, %xmm0 ## encoding: [0xc4,0xe3,0x79,0x02,0xc1,0x02]
-; AVX512-NEXT:    ## xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
-; AVX512-NEXT:    vmovq %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x7e,0xc0]
-; AVX512-NEXT:    ## xmm0 = xmm0[0],zero
+; AVX512-NEXT:    vinsertps $92, %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe3,0x79,0x21,0xc1,0x5c]
+; AVX512-NEXT:    ## xmm0 = xmm0[0],xmm1[1],zero,zero
 ; AVX512-NEXT:    ret{{[l|q]}} ## encoding: [0xc3]
   %vecext = extractelement <4 x float> %A, i32 0
   %vecinit = insertelement <4 x float> undef, float %vecext, i32 0
@@ -2060,8 +2058,6 @@
 ; AVX512:       ## %bb.0:
 ; AVX512-NEXT:    vinsertps $28, %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe3,0x79,0x21,0xc1,0x1c]
 ; AVX512-NEXT:    ## xmm0 = xmm0[0],xmm1[0],zero,zero
-; AVX512-NEXT:    vmovq %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x7e,0xc0]
-; AVX512-NEXT:    ## xmm0 = xmm0[0],zero
 ; AVX512-NEXT:    ret{{[l|q]}} ## encoding: [0xc3]
   %vecext = extractelement <4 x float> %A, i32 0
   %vecinit = insertelement <4 x float> undef, float %vecext, i32 0
Index: llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
===================================================================
--- llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
+++ llvm/test/CodeGen/X86/vec-strict-inttofp-128.ll
@@ -1350,7 +1350,8 @@
 ;
 ; AVX512VL-32-LABEL: uitofp_v2i64_v2f64:
 ; AVX512VL-32:       # %bb.0:
-; AVX512VL-32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm1
+; AVX512VL-32-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-32-NEXT:    vpblendd {{.*#+}} xmm1 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
 ; AVX512VL-32-NEXT:    vpor {{\.LCPI.*}}, %xmm1, %xmm1
 ; AVX512VL-32-NEXT:    vpsrlq $32, %xmm0, %xmm0
 ; AVX512VL-32-NEXT:    vpor {{\.LCPI.*}}, %xmm0, %xmm0
@@ -1360,7 +1361,8 @@
 ;
 ; AVX512VL-64-LABEL: uitofp_v2i64_v2f64:
 ; AVX512VL-64:       # %bb.0:
-; AVX512VL-64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm1
+; AVX512VL-64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-64-NEXT:    vpblendd {{.*#+}} xmm1 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
 ; AVX512VL-64-NEXT:    vpor {{.*}}(%rip), %xmm1, %xmm1
 ; AVX512VL-64-NEXT:    vpsrlq $32, %xmm0, %xmm0
 ; AVX512VL-64-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
Index: llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
+++ llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
@@ -830,7 +830,8 @@
 ;
 ; AVX512VL-32-LABEL: uitofp_v4i64_v4f64:
 ; AVX512VL-32:       # %bb.0:
-; AVX512VL-32-NEXT:    vpand {{\.LCPI.*}}, %ymm0, %ymm1
+; AVX512VL-32-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-32-NEXT:    vpblendd {{.*#+}} ymm1 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX512VL-32-NEXT:    vpor {{\.LCPI.*}}, %ymm1, %ymm1
 ; AVX512VL-32-NEXT:    vpsrlq $32, %ymm0, %ymm0
 ; AVX512VL-32-NEXT:    vpor {{\.LCPI.*}}, %ymm0, %ymm0
@@ -840,7 +841,8 @@
 ;
 ; AVX512VL-64-LABEL: uitofp_v4i64_v4f64:
 ; AVX512VL-64:       # %bb.0:
-; AVX512VL-64-NEXT:    vpandq {{.*}}(%rip){1to4}, %ymm0, %ymm1
+; AVX512VL-64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-64-NEXT:    vpblendd {{.*#+}} ymm1 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX512VL-64-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm1, %ymm1
 ; AVX512VL-64-NEXT:    vpsrlq $32, %ymm0, %ymm0
 ; AVX512VL-64-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm0, %ymm0
Index: llvm/test/CodeGen/X86/vec_int_to_fp.ll
===================================================================
--- llvm/test/CodeGen/X86/vec_int_to_fp.ll
+++ llvm/test/CodeGen/X86/vec_int_to_fp.ll
@@ -624,7 +624,8 @@
 ;
 ; AVX512VL-LABEL: uitofp_2i64_to_2f64:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm1
+; AVX512VL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-NEXT:    vpblendd {{.*#+}} xmm1 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
 ; AVX512VL-NEXT:    vpor {{.*}}(%rip), %xmm1, %xmm1
 ; AVX512VL-NEXT:    vpsrlq $32, %xmm0, %xmm0
 ; AVX512VL-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
@@ -970,7 +971,8 @@
 ;
 ; AVX512VL-LABEL: uitofp_4i64_to_4f64:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpandq {{.*}}(%rip){1to4}, %ymm0, %ymm1
+; AVX512VL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-NEXT:    vpblendd {{.*#+}} ymm1 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX512VL-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpsrlq $32, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm0, %ymm0
@@ -1249,8 +1251,7 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_2i64_to_4f32:
@@ -1319,8 +1320,7 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vpextrq $1, %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_2i64_to_4f32_zero:
@@ -1387,8 +1387,7 @@
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtsi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1947,8 +1946,7 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_2i64_to_4f32:
@@ -2067,8 +2065,7 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vpextrq $1, %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_2i64_to_2f32:
@@ -2214,8 +2211,7 @@
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovq %xmm0, %rax
 ; AVX512VL-NEXT:    vcvtusi2ss %rax, %xmm2, %xmm0
-; AVX512VL-NEXT:    vunpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX512VL-NEXT:    vmovq {{.*#+}} xmm0 = xmm0[0],zero
+; AVX512VL-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],zero,zero
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f32_undef:
@@ -3353,7 +3349,8 @@
 ; AVX512VL-LABEL: uitofp_load_2i64_to_2f64:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vmovdqa (%rdi), %xmm0
-; AVX512VL-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm1
+; AVX512VL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-NEXT:    vpblendd {{.*#+}} xmm1 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
 ; AVX512VL-NEXT:    vpor {{.*}}(%rip), %xmm1, %xmm1
 ; AVX512VL-NEXT:    vpsrlq $32, %xmm0, %xmm0
 ; AVX512VL-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
@@ -3726,7 +3723,8 @@
 ; AVX512VL-LABEL: uitofp_load_4i64_to_4f64:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vmovdqa (%rdi), %ymm0
-; AVX512VL-NEXT:    vpandq {{.*}}(%rip){1to4}, %ymm0, %ymm1
+; AVX512VL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-NEXT:    vpblendd {{.*#+}} ymm1 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX512VL-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpsrlq $32, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vporq {{.*}}(%rip){1to4}, %ymm0, %ymm0
@@ -5881,8 +5879,8 @@
 ; AVX512VL-LABEL: PR43609:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vpaddq {{.*}}(%rip), %xmm0, %xmm1
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} xmm2 = [4294967295,4294967295]
-; AVX512VL-NEXT:    vpand %xmm2, %xmm0, %xmm3
+; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpblendd {{.*#+}} xmm3 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
 ; AVX512VL-NEXT:    vmovdqa {{.*#+}} xmm4 = [4841369599423283200,4841369599423283200]
 ; AVX512VL-NEXT:    vpor %xmm4, %xmm3, %xmm3
 ; AVX512VL-NEXT:    vpsrlq $32, %xmm0, %xmm0
@@ -5891,7 +5889,7 @@
 ; AVX512VL-NEXT:    vmovapd {{.*#+}} xmm6 = [1.9342813118337666E+25,1.9342813118337666E+25]
 ; AVX512VL-NEXT:    vsubpd %xmm6, %xmm0, %xmm0
 ; AVX512VL-NEXT:    vaddpd %xmm0, %xmm3, %xmm0
-; AVX512VL-NEXT:    vpand %xmm2, %xmm1, %xmm2
+; AVX512VL-NEXT:    vpblendd {{.*#+}} xmm2 = xmm1[0],xmm2[1],xmm1[2],xmm2[3]
 ; AVX512VL-NEXT:    vpor %xmm4, %xmm2, %xmm2
 ; AVX512VL-NEXT:    vpsrlq $32, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vpor %xmm5, %xmm1, %xmm1
Index: llvm/test/CodeGen/X86/vector-fshl-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshl-256.ll
+++ llvm/test/CodeGen/X86/vector-fshl-256.ll
@@ -2115,15 +2115,14 @@
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm4
 ; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm4, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm3, %ymm3
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm1[8],ymm3[8],ymm1[9],ymm3[9],ymm1[10],ymm3[10],ymm1[11],ymm3[11],ymm1[12],ymm3[12],ymm1[13],ymm3[13],ymm1[14],ymm3[14],ymm1[15],ymm3[15],ymm1[24],ymm3[24],ymm1[25],ymm3[25],ymm1[26],ymm3[26],ymm1[27],ymm3[27],ymm1[28],ymm3[28],ymm1[29],ymm3[29],ymm1[30],ymm3[30],ymm1[31],ymm3[31]
+; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm4, %ymm4
+; AVX512VL-NEXT:    vpsrlw $8, %ymm4, %ymm4
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0],ymm3[0],ymm1[1],ymm3[1],ymm1[2],ymm3[2],ymm1[3],ymm3[3],ymm1[4],ymm3[4],ymm1[5],ymm3[5],ymm1[6],ymm3[6],ymm1[7],ymm3[7],ymm1[16],ymm3[16],ymm1[17],ymm3[17],ymm1[18],ymm3[18],ymm1[19],ymm3[19],ymm1[20],ymm3[20],ymm1[21],ymm3[21],ymm1[22],ymm3[22],ymm1[23],ymm3[23]
 ; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm2, %ymm1
 ; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255]
 ; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
Index: llvm/test/CodeGen/X86/vector-fshl-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshl-512.ll
+++ llvm/test/CodeGen/X86/vector-fshl-512.ll
@@ -1213,19 +1213,18 @@
 ; AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
 ; AVX512VL-NEXT:    vpaddb %ymm9, %ymm9, %ymm10
 ; AVX512VL-NEXT:    vpblendvb %ymm10, %ymm7, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm7 = ymm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm7, %ymm7
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm11 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512VL-NEXT:    # ymm11 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm7, %ymm11, %ymm7
-; AVX512VL-NEXT:    vpsrlw $8, %ymm7, %ymm7
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm2 = ymm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm12 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    vpxor %xmm7, %xmm7, %xmm7
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm11 = ymm2[8],ymm7[8],ymm2[9],ymm7[9],ymm2[10],ymm7[10],ymm2[11],ymm7[11],ymm2[12],ymm7[12],ymm2[13],ymm7[13],ymm2[14],ymm7[14],ymm2[15],ymm7[15],ymm2[24],ymm7[24],ymm2[25],ymm7[25],ymm2[26],ymm7[26],ymm2[27],ymm7[27],ymm2[28],ymm7[28],ymm2[29],ymm7[29],ymm2[30],ymm7[30],ymm2[31],ymm7[31]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm12 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
 ; AVX512VL-NEXT:    # ymm12 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm2, %ymm12, %ymm2
+; AVX512VL-NEXT:    vpmullw %ymm12, %ymm11, %ymm11
+; AVX512VL-NEXT:    vpsrlw $8, %ymm11, %ymm11
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm2 = ymm2[0],ymm7[0],ymm2[1],ymm7[1],ymm2[2],ymm7[2],ymm2[3],ymm7[3],ymm2[4],ymm7[4],ymm2[5],ymm7[5],ymm2[6],ymm7[6],ymm2[7],ymm7[7],ymm2[16],ymm7[16],ymm2[17],ymm7[17],ymm2[18],ymm7[18],ymm2[19],ymm7[19],ymm2[20],ymm7[20],ymm2[21],ymm7[21],ymm2[22],ymm7[22],ymm2[23],ymm7[23]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm13 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm13 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm2, %ymm13, %ymm2
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpackuswb %ymm7, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpackuswb %ymm11, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpor %ymm2, %ymm4, %ymm2
 ; AVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [18446744073709551360,18446744073709551360,18446744073709551360,18446744073709551360]
 ; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm2, %ymm3, %ymm2
@@ -1237,13 +1236,11 @@
 ; AVX512VL-NEXT:    vpblendvb %ymm9, %ymm5, %ymm3, %ymm3
 ; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm5
 ; AVX512VL-NEXT:    vpblendvb %ymm10, %ymm5, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = ymm1[8],ymm7[8],ymm1[9],ymm7[9],ymm1[10],ymm7[10],ymm1[11],ymm7[11],ymm1[12],ymm7[12],ymm1[13],ymm7[13],ymm1[14],ymm7[14],ymm1[15],ymm7[15],ymm1[24],ymm7[24],ymm1[25],ymm7[25],ymm1[26],ymm7[26],ymm1[27],ymm7[27],ymm1[28],ymm7[28],ymm1[29],ymm7[29],ymm1[30],ymm7[30],ymm1[31],ymm7[31]
+; AVX512VL-NEXT:    vpmullw %ymm5, %ymm12, %ymm5
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm11, %ymm5
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpmullw %ymm1, %ymm12, %ymm1
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0],ymm7[0],ymm1[1],ymm7[1],ymm1[2],ymm7[2],ymm1[3],ymm7[3],ymm1[4],ymm7[4],ymm1[5],ymm7[5],ymm1[6],ymm7[6],ymm1[7],ymm7[7],ymm1[16],ymm7[16],ymm1[17],ymm7[17],ymm1[18],ymm7[18],ymm1[19],ymm7[19],ymm1[20],ymm7[20],ymm1[21],ymm7[21],ymm1[22],ymm7[22],ymm1[23],ymm7[23]
+; AVX512VL-NEXT:    vpmullw %ymm1, %ymm13, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpackuswb %ymm5, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm3, %ymm1
@@ -1267,15 +1264,14 @@
 ; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512BW-NEXT:    vpaddb %zmm3, %zmm3, %zmm3 {%k1}
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm4, %zmm4
+; AVX512BW-NEXT:    vpsrlw $8, %zmm4, %zmm4
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpackuswb %zmm4, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vporq %zmm1, %zmm3, %zmm1
 ; AVX512BW-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512BW-NEXT:    kmovq %rax, %k1
@@ -1299,15 +1295,14 @@
 ; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VBMI2-NEXT:    vpaddb %zmm3, %zmm3, %zmm3 {%k1}
-; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm4, %zmm4
+; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm4, %zmm4
+; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
 ; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpackuswb %zmm4, %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vporq %zmm1, %zmm3, %zmm1
 ; AVX512VBMI2-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VBMI2-NEXT:    kmovq %rax, %k1
@@ -1331,15 +1326,14 @@
 ; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VLBW-NEXT:    vpaddb %zmm3, %zmm3, %zmm3 {%k1}
-; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm4, %zmm4
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm4, %zmm4
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
 ; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpackuswb %zmm4, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vporq %zmm1, %zmm3, %zmm1
 ; AVX512VLBW-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VLBW-NEXT:    kmovq %rax, %k1
@@ -1363,15 +1357,14 @@
 ; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VLVBMI2-NEXT:    vpaddb %zmm3, %zmm3, %zmm3 {%k1}
-; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm4, %zmm4
+; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm4, %zmm4
+; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm4, %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vporq %zmm1, %zmm3, %zmm1
 ; AVX512VLVBMI2-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VLVBMI2-NEXT:    kmovq %rax, %k1
Index: llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
+++ llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
@@ -1239,15 +1239,14 @@
 ; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm2 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm2[8],ymm0[9],ymm2[9],ymm0[10],ymm2[10],ymm0[11],ymm2[11],ymm0[12],ymm2[12],ymm0[13],ymm2[13],ymm0[14],ymm2[14],ymm0[15],ymm2[15],ymm0[24],ymm2[24],ymm0[25],ymm2[25],ymm0[26],ymm2[26],ymm0[27],ymm2[27],ymm0[28],ymm2[28],ymm0[29],ymm2[29],ymm0[30],ymm2[30],ymm0[31],ymm2[31]
+; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm3, %ymm3
+; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm2[0],ymm0[1],ymm2[1],ymm0[2],ymm2[2],ymm0[3],ymm2[3],ymm0[4],ymm2[4],ymm0[5],ymm2[5],ymm0[6],ymm2[6],ymm0[7],ymm2[7],ymm0[16],ymm2[16],ymm0[17],ymm2[17],ymm0[18],ymm2[18],ymm0[19],ymm2[19],ymm0[20],ymm2[20],ymm0[21],ymm2[21],ymm0[22],ymm2[22],ymm0[23],ymm2[23]
 ; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
Index: llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
+++ llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
@@ -632,19 +632,18 @@
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
 ; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm9 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512VL-NEXT:    # ymm9 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm9, %ymm5
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm9 = ymm1[8],ymm5[8],ymm1[9],ymm5[9],ymm1[10],ymm5[10],ymm1[11],ymm5[11],ymm1[12],ymm5[12],ymm1[13],ymm5[13],ymm1[14],ymm5[14],ymm1[15],ymm5[15],ymm1[24],ymm5[24],ymm1[25],ymm5[25],ymm1[26],ymm5[26],ymm1[27],ymm5[27],ymm1[28],ymm5[28],ymm1[29],ymm5[29],ymm1[30],ymm5[30],ymm1[31],ymm5[31]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
 ; AVX512VL-NEXT:    # ymm10 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm1, %ymm10, %ymm1
+; AVX512VL-NEXT:    vpmullw %ymm10, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpsrlw $8, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0],ymm5[0],ymm1[1],ymm5[1],ymm1[2],ymm5[2],ymm1[3],ymm5[3],ymm1[4],ymm5[4],ymm1[5],ymm5[5],ymm1[6],ymm5[6],ymm1[7],ymm5[7],ymm1[16],ymm5[16],ymm1[17],ymm5[17],ymm1[18],ymm5[18],ymm1[19],ymm5[19],ymm1[20],ymm5[20],ymm1[21],ymm5[21],ymm1[22],ymm5[22],ymm1[23],ymm5[23]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm11 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm11 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm1, %ymm11, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpackuswb %ymm5, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm9, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm2, %ymm1
 ; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm2
 ; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
@@ -654,13 +653,11 @@
 ; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpmullw %ymm3, %ymm9, %ymm3
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm5[8],ymm0[9],ymm5[9],ymm0[10],ymm5[10],ymm0[11],ymm5[11],ymm0[12],ymm5[12],ymm0[13],ymm5[13],ymm0[14],ymm5[14],ymm0[15],ymm5[15],ymm0[24],ymm5[24],ymm0[25],ymm5[25],ymm0[26],ymm5[26],ymm0[27],ymm5[27],ymm0[28],ymm5[28],ymm0[29],ymm5[29],ymm0[30],ymm5[30],ymm0[31],ymm5[31]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm10, %ymm3
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpmullw %ymm0, %ymm10, %ymm0
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm5[0],ymm0[1],ymm5[1],ymm0[2],ymm5[2],ymm0[3],ymm5[3],ymm0[4],ymm5[4],ymm0[5],ymm5[5],ymm0[6],ymm5[6],ymm0[7],ymm5[7],ymm0[16],ymm5[16],ymm0[17],ymm5[17],ymm0[18],ymm5[18],ymm0[19],ymm5[19],ymm0[20],ymm5[20],ymm0[21],ymm5[21],ymm0[22],ymm5[22],ymm0[23],ymm5[23]
+; AVX512VL-NEXT:    vpmullw %ymm0, %ymm11, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm2, %ymm0
@@ -683,15 +680,14 @@
 ; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
@@ -711,15 +707,14 @@
 ; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512VLBW-NEXT:    retq
   %res = call <64 x i8> @llvm.fshl.v64i8(<64 x i8> %x, <64 x i8> %x, <64 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1>)
Index: llvm/test/CodeGen/X86/vector-fshr-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshr-256.ll
+++ llvm/test/CodeGen/X86/vector-fshr-256.ll
@@ -2118,15 +2118,14 @@
 ; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
 ; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm2 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm3 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm1[8],ymm2[8],ymm1[9],ymm2[9],ymm1[10],ymm2[10],ymm1[11],ymm2[11],ymm1[12],ymm2[12],ymm1[13],ymm2[13],ymm1[14],ymm2[14],ymm1[15],ymm2[15],ymm1[24],ymm2[24],ymm1[25],ymm2[25],ymm1[26],ymm2[26],ymm1[27],ymm2[27],ymm1[28],ymm2[28],ymm1[29],ymm2[29],ymm1[30],ymm2[30],ymm1[31],ymm2[31]
 ; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm3, %ymm3
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm3, %ymm2
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm2 = ymm1[0],ymm2[0],ymm1[1],ymm2[1],ymm1[2],ymm2[2],ymm1[3],ymm2[3],ymm1[4],ymm2[4],ymm1[5],ymm2[5],ymm1[6],ymm2[6],ymm1[7],ymm2[7],ymm1[16],ymm2[16],ymm1[17],ymm2[17],ymm1[18],ymm2[18],ymm1[19],ymm2[19],ymm1[20],ymm2[20],ymm1[21],ymm2[21],ymm1[22],ymm2[22],ymm1[23],ymm2[23]
+; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpor %ymm2, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255]
 ; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm0, %ymm1, %ymm0
Index: llvm/test/CodeGen/X86/vector-fshr-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshr-512.ll
+++ llvm/test/CodeGen/X86/vector-fshr-512.ll
@@ -1201,22 +1201,21 @@
 ; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
 ; AVX512VL-NEXT:    vpaddb %ymm8, %ymm8, %ymm9
 ; AVX512VL-NEXT:    vpblendvb %ymm9, %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm4, %ymm4
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
-; AVX512VL-NEXT:    # ymm10 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm4, %ymm10, %ymm4
-; AVX512VL-NEXT:    vpsrlw $8, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm11 = ymm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm11, %ymm11
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm12 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512VL-NEXT:    # ymm12 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm12, %ymm11, %ymm11
-; AVX512VL-NEXT:    vpsrlw $8, %ymm11, %ymm11
-; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm11, %ymm4
-; AVX512VL-NEXT:    vpor %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm4 = [18446744073709551360,18446744073709551360,18446744073709551360,18446744073709551360]
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm3, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpxor %xmm4, %xmm4, %xmm4
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm10 = ymm2[8],ymm4[8],ymm2[9],ymm4[9],ymm2[10],ymm4[10],ymm2[11],ymm4[11],ymm2[12],ymm4[12],ymm2[13],ymm4[13],ymm2[14],ymm4[14],ymm2[15],ymm4[15],ymm2[24],ymm4[24],ymm2[25],ymm4[25],ymm2[26],ymm4[26],ymm2[27],ymm4[27],ymm2[28],ymm4[28],ymm2[29],ymm4[29],ymm2[30],ymm4[30],ymm2[31],ymm4[31]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm11 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm11 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm11, %ymm10, %ymm10
+; AVX512VL-NEXT:    vpsrlw $8, %ymm10, %ymm10
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm12 = ymm2[0],ymm4[0],ymm2[1],ymm4[1],ymm2[2],ymm4[2],ymm2[3],ymm4[3],ymm2[4],ymm4[4],ymm2[5],ymm4[5],ymm2[6],ymm4[6],ymm2[7],ymm4[7],ymm2[16],ymm4[16],ymm2[17],ymm4[17],ymm2[18],ymm4[18],ymm2[19],ymm4[19],ymm2[20],ymm4[20],ymm2[21],ymm4[21],ymm2[22],ymm4[22],ymm2[23],ymm4[23]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm13 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm13 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm13, %ymm12, %ymm12
+; AVX512VL-NEXT:    vpsrlw $8, %ymm12, %ymm12
+; AVX512VL-NEXT:    vpackuswb %ymm10, %ymm12, %ymm10
+; AVX512VL-NEXT:    vpor %ymm3, %ymm10, %ymm3
+; AVX512VL-NEXT:    vpbroadcastq {{.*#+}} ymm10 = [18446744073709551360,18446744073709551360,18446744073709551360,18446744073709551360]
+; AVX512VL-NEXT:    vpblendvb %ymm10, %ymm3, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm3
 ; AVX512VL-NEXT:    vpand %ymm5, %ymm3, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm6, %ymm3, %ymm0, %ymm0
@@ -1225,17 +1224,15 @@
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm9, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm1[8],ymm4[8],ymm1[9],ymm4[9],ymm1[10],ymm4[10],ymm1[11],ymm4[11],ymm1[12],ymm4[12],ymm1[13],ymm4[13],ymm1[14],ymm4[14],ymm1[15],ymm4[15],ymm1[24],ymm4[24],ymm1[25],ymm4[25],ymm1[26],ymm4[26],ymm1[27],ymm4[27],ymm1[28],ymm4[28],ymm1[29],ymm4[29],ymm1[30],ymm4[30],ymm1[31],ymm4[31]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm11, %ymm3
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpmullw %ymm3, %ymm10, %ymm3
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm5 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm12, %ymm5
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm5, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm4 = ymm1[0],ymm4[0],ymm1[1],ymm4[1],ymm1[2],ymm4[2],ymm1[3],ymm4[3],ymm1[4],ymm4[4],ymm1[5],ymm4[5],ymm1[6],ymm4[6],ymm1[7],ymm4[7],ymm1[16],ymm4[16],ymm1[17],ymm4[17],ymm1[18],ymm4[18],ymm1[19],ymm4[19],ymm1[20],ymm4[20],ymm1[21],ymm4[21],ymm1[22],ymm4[22],ymm1[23],ymm4[23]
+; AVX512VL-NEXT:    vpmullw %ymm4, %ymm13, %ymm4
+; AVX512VL-NEXT:    vpsrlw $8, %ymm4, %ymm4
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm4, %ymm3
 ; AVX512VL-NEXT:    vpor %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm0, %ymm1, %ymm0
+; AVX512VL-NEXT:    vpblendvb %ymm10, %ymm0, %ymm1, %ymm0
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512VL-NEXT:    retq
 ;
@@ -1255,15 +1252,14 @@
 ; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm2, %zmm2
 ; AVX512BW-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512BW-NEXT:    kmovq %rax, %k1
@@ -1286,15 +1282,14 @@
 ; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
-; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
 ; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
+; AVX512VBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VBMI2-NEXT:    vpackuswb %zmm3, %zmm2, %zmm2
 ; AVX512VBMI2-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VBMI2-NEXT:    kmovq %rax, %k1
@@ -1317,15 +1312,14 @@
 ; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VLBW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
-; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
 ; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
+; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm2, %zmm2
 ; AVX512VLBW-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VLBW-NEXT:    kmovq %rax, %k1
@@ -1348,15 +1342,14 @@
 ; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
 ; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
 ; AVX512VLVBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
-; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VLVBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm3, %zmm2, %zmm2
 ; AVX512VLVBMI2-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
 ; AVX512VLVBMI2-NEXT:    kmovq %rax, %k1
Index: llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
+++ llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
@@ -1317,15 +1317,14 @@
 ; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm2 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm2[8],ymm0[9],ymm2[9],ymm0[10],ymm2[10],ymm0[11],ymm2[11],ymm0[12],ymm2[12],ymm0[13],ymm2[13],ymm0[14],ymm2[14],ymm0[15],ymm2[15],ymm0[24],ymm2[24],ymm0[25],ymm2[25],ymm0[26],ymm2[26],ymm0[27],ymm2[27],ymm0[28],ymm2[28],ymm0[29],ymm2[29],ymm0[30],ymm2[30],ymm0[31],ymm2[31]
+; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm3, %ymm3
+; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm2[0],ymm0[1],ymm2[1],ymm0[2],ymm2[2],ymm0[3],ymm2[3],ymm0[4],ymm2[4],ymm0[5],ymm2[5],ymm0[6],ymm2[6],ymm0[7],ymm2[7],ymm0[16],ymm2[16],ymm0[17],ymm2[17],ymm0[18],ymm2[18],ymm0[19],ymm2[19],ymm0[20],ymm2[20],ymm0[21],ymm2[21],ymm0[22],ymm2[22],ymm0[23],ymm2[23]
 ; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
Index: llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
+++ llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
@@ -652,19 +652,18 @@
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
 ; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm9 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
-; AVX512VL-NEXT:    # ymm9 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm9, %ymm5
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm9 = ymm1[8],ymm5[8],ymm1[9],ymm5[9],ymm1[10],ymm5[10],ymm1[11],ymm5[11],ymm1[12],ymm5[12],ymm1[13],ymm5[13],ymm1[14],ymm5[14],ymm1[15],ymm5[15],ymm1[24],ymm5[24],ymm1[25],ymm5[25],ymm1[26],ymm5[26],ymm1[27],ymm5[27],ymm1[28],ymm5[28],ymm1[29],ymm5[29],ymm1[30],ymm5[30],ymm1[31],ymm5[31]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
 ; AVX512VL-NEXT:    # ymm10 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm1, %ymm10, %ymm1
+; AVX512VL-NEXT:    vpmullw %ymm10, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpsrlw $8, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0],ymm5[0],ymm1[1],ymm5[1],ymm1[2],ymm5[2],ymm1[3],ymm5[3],ymm1[4],ymm5[4],ymm1[5],ymm5[5],ymm1[6],ymm5[6],ymm1[7],ymm5[7],ymm1[16],ymm5[16],ymm1[17],ymm5[17],ymm1[18],ymm5[18],ymm1[19],ymm5[19],ymm1[20],ymm5[20],ymm1[21],ymm5[21],ymm1[22],ymm5[22],ymm1[23],ymm5[23]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm11 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm11 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm1, %ymm11, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpackuswb %ymm5, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm9, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm2, %ymm1
 ; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm2
 ; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
@@ -674,13 +673,11 @@
 ; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpmullw %ymm3, %ymm9, %ymm3
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm5[8],ymm0[9],ymm5[9],ymm0[10],ymm5[10],ymm0[11],ymm5[11],ymm0[12],ymm5[12],ymm0[13],ymm5[13],ymm0[14],ymm5[14],ymm0[15],ymm5[15],ymm0[24],ymm5[24],ymm0[25],ymm5[25],ymm0[26],ymm5[26],ymm0[27],ymm5[27],ymm0[28],ymm5[28],ymm0[29],ymm5[29],ymm0[30],ymm5[30],ymm0[31],ymm5[31]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm10, %ymm3
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpmullw %ymm0, %ymm10, %ymm0
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm5[0],ymm0[1],ymm5[1],ymm0[2],ymm5[2],ymm0[3],ymm5[3],ymm0[4],ymm5[4],ymm0[5],ymm5[5],ymm0[6],ymm5[6],ymm0[7],ymm5[7],ymm0[16],ymm5[16],ymm0[17],ymm5[17],ymm0[18],ymm5[18],ymm0[19],ymm5[19],ymm0[20],ymm5[20],ymm0[21],ymm5[21],ymm0[22],ymm5[22],ymm0[23],ymm5[23]
+; AVX512VL-NEXT:    vpmullw %ymm0, %ymm11, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm2, %ymm0
@@ -703,15 +700,14 @@
 ; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
@@ -731,15 +727,14 @@
 ; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512VLBW-NEXT:    retq
   %res = call <64 x i8> @llvm.fshr.v64i8(<64 x i8> %x, <64 x i8> %x, <64 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1>)
Index: llvm/test/CodeGen/X86/vector-idiv-udiv-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-idiv-udiv-512.ll
+++ llvm/test/CodeGen/X86/vector-idiv-udiv-512.ll
@@ -257,41 +257,34 @@
 ;
 ; AVX512BW-LABEL: test_divconstant_64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
-; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
-; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsubb %zmm1, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm2[8],zmm0[9],zmm2[9],zmm0[10],zmm2[10],zmm0[11],zmm2[11],zmm0[12],zmm2[12],zmm0[13],zmm2[13],zmm0[14],zmm2[14],zmm0[15],zmm2[15],zmm0[24],zmm2[24],zmm0[25],zmm2[25],zmm0[26],zmm2[26],zmm0[27],zmm2[27],zmm0[28],zmm2[28],zmm0[29],zmm2[29],zmm0[30],zmm2[30],zmm0[31],zmm2[31],zmm0[40],zmm2[40],zmm0[41],zmm2[41],zmm0[42],zmm2[42],zmm0[43],zmm2[43],zmm0[44],zmm2[44],zmm0[45],zmm2[45],zmm0[46],zmm2[46],zmm0[47],zmm2[47],zmm0[56],zmm2[56],zmm0[57],zmm2[57],zmm0[58],zmm2[58],zmm0[59],zmm2[59],zmm0[60],zmm2[60],zmm0[61],zmm2[61],zmm0[62],zmm2[62],zmm0[63],zmm2[63]
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpsubb %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm2[0],zmm0[1],zmm2[1],zmm0[2],zmm2[2],zmm0[3],zmm2[3],zmm0[4],zmm2[4],zmm0[5],zmm2[5],zmm0[6],zmm2[6],zmm0[7],zmm2[7],zmm0[16],zmm2[16],zmm0[17],zmm2[17],zmm0[18],zmm2[18],zmm0[19],zmm2[19],zmm0[20],zmm2[20],zmm0[21],zmm2[21],zmm0[22],zmm2[22],zmm0[23],zmm2[23],zmm0[32],zmm2[32],zmm0[33],zmm2[33],zmm0[34],zmm2[34],zmm0[35],zmm2[35],zmm0[36],zmm2[36],zmm0[37],zmm2[37],zmm0[38],zmm2[38],zmm0[39],zmm2[39],zmm0[48],zmm2[48],zmm0[49],zmm2[49],zmm0[50],zmm2[50],zmm0[51],zmm2[51],zmm0[52],zmm2[52],zmm0[53],zmm2[53],zmm0[54],zmm2[54],zmm0[55],zmm2[55]
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpaddb %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
   %res = udiv <64 x i8> %a, <i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 16, i8 17, i8 18, i8 19, i8 20, i8 21, i8 22, i8 23, i8 24, i8 25, i8 26, i8 27, i8 28, i8 29, i8 30, i8 31, i8 32, i8 33, i8 34, i8 35, i8 36, i8 37, i8 38, i8 38, i8 37, i8 36, i8 35, i8 34, i8 33, i8 32, i8 31, i8 30, i8 29, i8 28, i8 27, i8 26, i8 25, i8 24, i8 23, i8 22, i8 21, i8 20, i8 19, i8 18, i8 17, i8 16, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7>
   ret <64 x i8> %res
@@ -624,46 +617,39 @@
 ;
 ; AVX512BW-LABEL: test_remconstant_64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
-; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm1[8],zmm2[8],zmm1[9],zmm2[9],zmm1[10],zmm2[10],zmm1[11],zmm2[11],zmm1[12],zmm2[12],zmm1[13],zmm2[13],zmm1[14],zmm2[14],zmm1[15],zmm2[15],zmm1[24],zmm2[24],zmm1[25],zmm2[25],zmm1[26],zmm2[26],zmm1[27],zmm2[27],zmm1[28],zmm2[28],zmm1[29],zmm2[29],zmm1[30],zmm2[30],zmm1[31],zmm2[31],zmm1[40],zmm2[40],zmm1[41],zmm2[41],zmm1[42],zmm2[42],zmm1[43],zmm2[43],zmm1[44],zmm2[44],zmm1[45],zmm2[45],zmm1[46],zmm2[46],zmm1[47],zmm2[47],zmm1[56],zmm2[56],zmm1[57],zmm2[57],zmm1[58],zmm2[58],zmm1[59],zmm2[59],zmm1[60],zmm2[60],zmm1[61],zmm2[61],zmm1[62],zmm2[62],zmm1[63],zmm2[63]
+; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm3, %zmm3
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0],zmm2[0],zmm1[1],zmm2[1],zmm1[2],zmm2[2],zmm1[3],zmm2[3],zmm1[4],zmm2[4],zmm1[5],zmm2[5],zmm1[6],zmm2[6],zmm1[7],zmm2[7],zmm1[16],zmm2[16],zmm1[17],zmm2[17],zmm1[18],zmm2[18],zmm1[19],zmm2[19],zmm1[20],zmm2[20],zmm1[21],zmm2[21],zmm1[22],zmm2[22],zmm1[23],zmm2[23],zmm1[32],zmm2[32],zmm1[33],zmm2[33],zmm1[34],zmm2[34],zmm1[35],zmm2[35],zmm1[36],zmm2[36],zmm1[37],zmm2[37],zmm1[38],zmm2[38],zmm1[39],zmm2[39],zmm1[48],zmm2[48],zmm1[49],zmm2[49],zmm1[50],zmm2[50],zmm1[51],zmm2[51],zmm1[52],zmm2[52],zmm1[53],zmm2[53],zmm1[54],zmm2[54],zmm1[55],zmm2[55]
-; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsubb %zmm1, %zmm0, %zmm3
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm3[8],zmm2[8],zmm3[9],zmm2[9],zmm3[10],zmm2[10],zmm3[11],zmm2[11],zmm3[12],zmm2[12],zmm3[13],zmm2[13],zmm3[14],zmm2[14],zmm3[15],zmm2[15],zmm3[24],zmm2[24],zmm3[25],zmm2[25],zmm3[26],zmm2[26],zmm3[27],zmm2[27],zmm3[28],zmm2[28],zmm3[29],zmm2[29],zmm3[30],zmm2[30],zmm3[31],zmm2[31],zmm3[40],zmm2[40],zmm3[41],zmm2[41],zmm3[42],zmm2[42],zmm3[43],zmm2[43],zmm3[44],zmm2[44],zmm3[45],zmm2[45],zmm3[46],zmm2[46],zmm3[47],zmm2[47],zmm3[56],zmm2[56],zmm3[57],zmm2[57],zmm3[58],zmm2[58],zmm3[59],zmm2[59],zmm3[60],zmm2[60],zmm3[61],zmm2[61],zmm3[62],zmm2[62],zmm3[63],zmm2[63]
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpsubb %zmm2, %zmm0, %zmm3
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm4 = zmm3[8],zmm1[8],zmm3[9],zmm1[9],zmm3[10],zmm1[10],zmm3[11],zmm1[11],zmm3[12],zmm1[12],zmm3[13],zmm1[13],zmm3[14],zmm1[14],zmm3[15],zmm1[15],zmm3[24],zmm1[24],zmm3[25],zmm1[25],zmm3[26],zmm1[26],zmm3[27],zmm1[27],zmm3[28],zmm1[28],zmm3[29],zmm1[29],zmm3[30],zmm1[30],zmm3[31],zmm1[31],zmm3[40],zmm1[40],zmm3[41],zmm1[41],zmm3[42],zmm1[42],zmm3[43],zmm1[43],zmm3[44],zmm1[44],zmm3[45],zmm1[45],zmm3[46],zmm1[46],zmm3[47],zmm1[47],zmm3[56],zmm1[56],zmm3[57],zmm1[57],zmm3[58],zmm1[58],zmm3[59],zmm1[59],zmm3[60],zmm1[60],zmm3[61],zmm1[61],zmm3[62],zmm1[62],zmm3[63],zmm1[63]
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm4, %zmm4
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm4, %zmm4
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm2 = zmm3[0],zmm2[0],zmm3[1],zmm2[1],zmm3[2],zmm2[2],zmm3[3],zmm2[3],zmm3[4],zmm2[4],zmm3[5],zmm2[5],zmm3[6],zmm2[6],zmm3[7],zmm2[7],zmm3[16],zmm2[16],zmm3[17],zmm2[17],zmm3[18],zmm2[18],zmm3[19],zmm2[19],zmm3[20],zmm2[20],zmm3[21],zmm2[21],zmm3[22],zmm2[22],zmm3[23],zmm2[23],zmm3[32],zmm2[32],zmm3[33],zmm2[33],zmm3[34],zmm2[34],zmm3[35],zmm2[35],zmm3[36],zmm2[36],zmm3[37],zmm2[37],zmm3[38],zmm2[38],zmm3[39],zmm2[39],zmm3[48],zmm2[48],zmm3[49],zmm2[49],zmm3[50],zmm2[50],zmm3[51],zmm2[51],zmm3[52],zmm2[52],zmm3[53],zmm2[53],zmm3[54],zmm2[54],zmm3[55],zmm2[55]
-; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpackuswb %zmm4, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm2, %zmm1
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpalignr {{.*#+}} zmm2 = zmm2[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,16,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,32,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,48]
-; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vmovdqa64 {{.*#+}} zmm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
-; AVX512BW-NEXT:    vpandq %zmm3, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = zmm3[0],zmm1[0],zmm3[1],zmm1[1],zmm3[2],zmm1[2],zmm3[3],zmm1[3],zmm3[4],zmm1[4],zmm3[5],zmm1[5],zmm3[6],zmm1[6],zmm3[7],zmm1[7],zmm3[16],zmm1[16],zmm3[17],zmm1[17],zmm3[18],zmm1[18],zmm3[19],zmm1[19],zmm3[20],zmm1[20],zmm3[21],zmm1[21],zmm3[22],zmm1[22],zmm3[23],zmm1[23],zmm3[32],zmm1[32],zmm3[33],zmm1[33],zmm3[34],zmm1[34],zmm3[35],zmm1[35],zmm3[36],zmm1[36],zmm3[37],zmm1[37],zmm3[38],zmm1[38],zmm3[39],zmm1[39],zmm3[48],zmm1[48],zmm3[49],zmm1[49],zmm3[50],zmm1[50],zmm3[51],zmm1[51],zmm3[52],zmm1[52],zmm3[53],zmm1[53],zmm3[54],zmm1[54],zmm3[55],zmm1[55]
+; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpackuswb %zmm4, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpaddb %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm2[8],zmm1[8],zmm2[9],zmm1[9],zmm2[10],zmm1[10],zmm2[11],zmm1[11],zmm2[12],zmm1[12],zmm2[13],zmm1[13],zmm2[14],zmm1[14],zmm2[15],zmm1[15],zmm2[24],zmm1[24],zmm2[25],zmm1[25],zmm2[26],zmm1[26],zmm2[27],zmm1[27],zmm2[28],zmm1[28],zmm2[29],zmm1[29],zmm2[30],zmm1[30],zmm2[31],zmm1[31],zmm2[40],zmm1[40],zmm2[41],zmm1[41],zmm2[42],zmm1[42],zmm2[43],zmm1[43],zmm2[44],zmm1[44],zmm2[45],zmm1[45],zmm2[46],zmm1[46],zmm2[47],zmm1[47],zmm2[56],zmm1[56],zmm2[57],zmm1[57],zmm2[58],zmm1[58],zmm2[59],zmm1[59],zmm2[60],zmm1[60],zmm2[61],zmm1[61],zmm2[62],zmm1[62],zmm2[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vmovdqa64 {{.*#+}} zmm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512BW-NEXT:    vpandq %zmm4, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = zmm2[0],zmm1[0],zmm2[1],zmm1[1],zmm2[2],zmm1[2],zmm2[3],zmm1[3],zmm2[4],zmm1[4],zmm2[5],zmm1[5],zmm2[6],zmm1[6],zmm2[7],zmm1[7],zmm2[16],zmm1[16],zmm2[17],zmm1[17],zmm2[18],zmm1[18],zmm2[19],zmm1[19],zmm2[20],zmm1[20],zmm2[21],zmm1[21],zmm2[22],zmm1[22],zmm2[23],zmm1[23],zmm2[32],zmm1[32],zmm2[33],zmm1[33],zmm2[34],zmm1[34],zmm2[35],zmm1[35],zmm2[36],zmm1[36],zmm2[37],zmm1[37],zmm2[38],zmm1[38],zmm2[39],zmm1[39],zmm2[48],zmm1[48],zmm2[49],zmm1[49],zmm2[50],zmm1[50],zmm2[51],zmm1[51],zmm2[52],zmm1[52],zmm2[53],zmm1[53],zmm2[54],zmm1[54],zmm2[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpalignr {{.*#+}} zmm1 = zmm1[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,16,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,32,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,48]
+; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpmullw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpandq %zmm3, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpandq %zmm4, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpsubb %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
   %res = urem <64 x i8> %a, <i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 16, i8 17, i8 18, i8 19, i8 20, i8 21, i8 22, i8 23, i8 24, i8 25, i8 26, i8 27, i8 28, i8 29, i8 30, i8 31, i8 32, i8 33, i8 34, i8 35, i8 36, i8 37, i8 38, i8 38, i8 37, i8 36, i8 35, i8 34, i8 33, i8 32, i8 31, i8 30, i8 29, i8 28, i8 27, i8 26, i8 25, i8 24, i8 23, i8 22, i8 21, i8 20, i8 19, i8 18, i8 17, i8 16, i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7>
Index: llvm/test/CodeGen/X86/vector-reduce-mul.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-reduce-mul.ll
+++ llvm/test/CodeGen/X86/vector-reduce-mul.ll
@@ -62,7 +62,7 @@
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
 ; AVX512BWVL-NEXT:    vpsrlq $32, %xmm0, %xmm2
 ; AVX512BWVL-NEXT:    vpmuludq %xmm1, %xmm2, %xmm2
-; AVX512BWVL-NEXT:    vpsrlq $32, %xmm1, %xmm3
+; AVX512BWVL-NEXT:    vpsrldq {{.*#+}} xmm3 = xmm0[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmuludq %xmm3, %xmm0, %xmm3
 ; AVX512BWVL-NEXT:    vpaddq %xmm2, %xmm3, %xmm2
 ; AVX512BWVL-NEXT:    vpsllq $32, %xmm2, %xmm2
@@ -203,7 +203,7 @@
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
 ; AVX512BWVL-NEXT:    vpsrlq $32, %xmm0, %xmm2
 ; AVX512BWVL-NEXT:    vpmuludq %xmm1, %xmm2, %xmm2
-; AVX512BWVL-NEXT:    vpsrlq $32, %xmm1, %xmm3
+; AVX512BWVL-NEXT:    vpsrldq {{.*#+}} xmm3 = xmm0[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmuludq %xmm3, %xmm0, %xmm3
 ; AVX512BWVL-NEXT:    vpaddq %xmm2, %xmm3, %xmm2
 ; AVX512BWVL-NEXT:    vpsllq $32, %xmm2, %xmm2
@@ -413,7 +413,7 @@
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
 ; AVX512BWVL-NEXT:    vpsrlq $32, %xmm0, %xmm2
 ; AVX512BWVL-NEXT:    vpmuludq %xmm1, %xmm2, %xmm2
-; AVX512BWVL-NEXT:    vpsrlq $32, %xmm1, %xmm3
+; AVX512BWVL-NEXT:    vpsrldq {{.*#+}} xmm3 = xmm0[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmuludq %xmm3, %xmm0, %xmm3
 ; AVX512BWVL-NEXT:    vpaddq %xmm2, %xmm3, %xmm2
 ; AVX512BWVL-NEXT:    vpsllq $32, %xmm2, %xmm2
@@ -732,7 +732,7 @@
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
 ; AVX512BWVL-NEXT:    vpsrlq $32, %xmm0, %xmm2
 ; AVX512BWVL-NEXT:    vpmuludq %xmm1, %xmm2, %xmm2
-; AVX512BWVL-NEXT:    vpsrlq $32, %xmm1, %xmm3
+; AVX512BWVL-NEXT:    vpsrldq {{.*#+}} xmm3 = xmm0[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmuludq %xmm3, %xmm0, %xmm3
 ; AVX512BWVL-NEXT:    vpaddq %xmm2, %xmm3, %xmm2
 ; AVX512BWVL-NEXT:    vpsllq $32, %xmm2, %xmm2
@@ -1597,39 +1597,16 @@
 ; AVX-NEXT:    # kill: def $al killed $al killed $eax
 ; AVX-NEXT:    retq
 ;
-; AVX512BW-LABEL: test_v4i8:
-; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512BW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
-; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vmovd %xmm0, %eax
-; AVX512BW-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512BW-NEXT:    retq
-;
-; AVX512VL-LABEL: test_v4i8:
-; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
-; AVX512VL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512VL-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512VL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512VL-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512VL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512VL-NEXT:    vmovd %xmm0, %eax
-; AVX512VL-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512VL-NEXT:    retq
-;
-; AVX512DQ-LABEL: test_v4i8:
-; AVX512DQ:       # %bb.0:
-; AVX512DQ-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512DQ-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
-; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vmovd %xmm0, %eax
-; AVX512DQ-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512DQ-NEXT:    retq
+; AVX512-LABEL: test_v4i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX512-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; AVX512-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpsrld $16, %xmm0, %xmm1
+; AVX512-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vmovd %xmm0, %eax
+; AVX512-NEXT:    # kill: def $al killed $al killed $eax
+; AVX512-NEXT:    retq
   %1 = call i8 @llvm.experimental.vector.reduce.mul.v4i8(<4 x i8> %a0)
   ret i8 %1
 }
@@ -1679,45 +1656,18 @@
 ; AVX-NEXT:    # kill: def $al killed $al killed $eax
 ; AVX-NEXT:    retq
 ;
-; AVX512BW-LABEL: test_v8i8:
-; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512BW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
-; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
-; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vmovd %xmm0, %eax
-; AVX512BW-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512BW-NEXT:    retq
-;
-; AVX512VL-LABEL: test_v8i8:
-; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
-; AVX512VL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
-; AVX512VL-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512VL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512VL-NEXT:    vpalignr {{.*#+}} xmm1 = xmm0[4,5,6,7,8,9,10,11,12,13,14,15,0,1,2,3]
-; AVX512VL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512VL-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512VL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512VL-NEXT:    vmovd %xmm0, %eax
-; AVX512VL-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512VL-NEXT:    retq
-;
-; AVX512DQ-LABEL: test_v8i8:
-; AVX512DQ:       # %bb.0:
-; AVX512DQ-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX512DQ-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
-; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
-; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vpsrld $16, %xmm0, %xmm1
-; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vmovd %xmm0, %eax
-; AVX512DQ-NEXT:    # kill: def $al killed $al killed $eax
-; AVX512DQ-NEXT:    retq
+; AVX512-LABEL: test_v8i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX512-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
+; AVX512-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; AVX512-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpsrld $16, %xmm0, %xmm1
+; AVX512-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vmovd %xmm0, %eax
+; AVX512-NEXT:    # kill: def $al killed $al killed $eax
+; AVX512-NEXT:    retq
   %1 = call i8 @llvm.experimental.vector.reduce.mul.v8i8(<8 x i8> %a0)
   ret i8 %1
 }
@@ -2131,20 +2081,20 @@
 ; AVX512DQVL-NEXT:    vpmullw %xmm2, %xmm3, %xmm2
 ; AVX512DQVL-NEXT:    vmovdqa {{.*#+}} xmm3 = [255,255,255,255,255,255,255,255]
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm2, %xmm2
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm1
 ; AVX512DQVL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
 ; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
 ; AVX512DQVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm1
 ; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
 ; AVX512DQVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
@@ -2378,17 +2328,17 @@
 ; AVX512BWVL-NEXT:    vpmullw %xmm3, %xmm2, %xmm2
 ; AVX512BWVL-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm2
 ; AVX512BWVL-NEXT:    vpmovwb %ymm2, %xmm2
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpunpckhbw {{.*#+}} xmm2 = xmm2[8],xmm0[8],xmm2[9],xmm0[9],xmm2[10],xmm0[10],xmm2[11],xmm0[11],xmm2[12],xmm0[12],xmm2[13],xmm0[13],xmm2[14],xmm0[14],xmm2[15],xmm0[15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
 ; AVX512BWVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
 ; AVX512BWVL-NEXT:    vpsrlw $8, %xmm0, %xmm1
@@ -2454,12 +2404,12 @@
 ; AVX512DQVL-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
 ; AVX512DQVL-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[1,1,2,3]
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm1, %xmm0, %xmm2
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
 ; AVX512DQVL-NEXT:    vpsrld $16, %xmm2, %xmm2
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm0, %xmm0
@@ -2778,17 +2728,17 @@
 ; AVX512BWVL-NEXT:    vpmullw %xmm3, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vinserti128 $1, %xmm0, %ymm0, %ymm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm0, %xmm1, %xmm0
 ; AVX512BWVL-NEXT:    vpmullw %xmm0, %xmm2, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
 ; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
 ; AVX512BWVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BWVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
 ; AVX512BWVL-NEXT:    vpsrlw $8, %xmm0, %xmm1
@@ -2868,12 +2818,12 @@
 ; AVX512DQVL-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm1, %xmm1
 ; AVX512DQVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm2, %xmm0, %xmm1
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm1, %xmm1
 ; AVX512DQVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm2, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpackuswb %xmm3, %xmm0, %xmm0
Index: llvm/test/CodeGen/X86/vector-rotate-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-rotate-256.ll
+++ llvm/test/CodeGen/X86/vector-rotate-256.ll
@@ -1232,15 +1232,14 @@
 ; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm2 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm2[8],ymm0[9],ymm2[9],ymm0[10],ymm2[10],ymm0[11],ymm2[11],ymm0[12],ymm2[12],ymm0[13],ymm2[13],ymm0[14],ymm2[14],ymm0[15],ymm2[15],ymm0[24],ymm2[24],ymm0[25],ymm2[25],ymm0[26],ymm2[26],ymm0[27],ymm2[27],ymm0[28],ymm2[28],ymm0[29],ymm2[29],ymm0[30],ymm2[30],ymm0[31],ymm2[31]
+; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm3, %ymm3
+; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm2[0],ymm0[1],ymm2[1],ymm0[2],ymm2[2],ymm0[3],ymm2[3],ymm0[4],ymm2[4],ymm0[5],ymm2[5],ymm0[6],ymm2[6],ymm0[7],ymm2[7],ymm0[16],ymm2[16],ymm0[17],ymm2[17],ymm0[18],ymm2[18],ymm0[19],ymm2[19],ymm0[20],ymm2[20],ymm0[21],ymm2[21],ymm0[22],ymm2[22],ymm0[23],ymm2[23]
 ; AVX512VL-NEXT:    vpmullw {{.*}}(%rip), %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
Index: llvm/test/CodeGen/X86/vector-rotate-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-rotate-512.ll
+++ llvm/test/CodeGen/X86/vector-rotate-512.ll
@@ -619,19 +619,18 @@
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
 ; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = ymm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm9 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512VL-NEXT:    # ymm9 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm9, %ymm5
-; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    vpxor %xmm5, %xmm5, %xmm5
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm9 = ymm1[8],ymm5[8],ymm1[9],ymm5[9],ymm1[10],ymm5[10],ymm1[11],ymm5[11],ymm1[12],ymm5[12],ymm1[13],ymm5[13],ymm1[14],ymm5[14],ymm1[15],ymm5[15],ymm1[24],ymm5[24],ymm1[25],ymm5[25],ymm1[26],ymm5[26],ymm1[27],ymm5[27],ymm1[28],ymm5[28],ymm1[29],ymm5[29],ymm1[30],ymm5[30],ymm1[31],ymm5[31]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm10 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
 ; AVX512VL-NEXT:    # ymm10 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm1, %ymm10, %ymm1
+; AVX512VL-NEXT:    vpmullw %ymm10, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpsrlw $8, %ymm9, %ymm9
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = ymm1[0],ymm5[0],ymm1[1],ymm5[1],ymm1[2],ymm5[2],ymm1[3],ymm5[3],ymm1[4],ymm5[4],ymm1[5],ymm5[5],ymm1[6],ymm5[6],ymm1[7],ymm5[7],ymm1[16],ymm5[16],ymm1[17],ymm5[17],ymm1[18],ymm5[18],ymm1[19],ymm5[19],ymm1[20],ymm5[20],ymm1[21],ymm5[21],ymm1[22],ymm5[22],ymm1[23],ymm5[23]
+; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm11 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm11 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm1, %ymm11, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpackuswb %ymm5, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm9, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm2, %ymm1
 ; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm2
 ; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
@@ -641,13 +640,11 @@
 ; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
 ; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
 ; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpmullw %ymm3, %ymm9, %ymm3
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = ymm0[8],ymm5[8],ymm0[9],ymm5[9],ymm0[10],ymm5[10],ymm0[11],ymm5[11],ymm0[12],ymm5[12],ymm0[13],ymm5[13],ymm0[14],ymm5[14],ymm0[15],ymm5[15],ymm0[24],ymm5[24],ymm0[25],ymm5[25],ymm0[26],ymm5[26],ymm0[27],ymm5[27],ymm0[28],ymm5[28],ymm0[29],ymm5[29],ymm0[30],ymm5[30],ymm0[31],ymm5[31]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm10, %ymm3
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpmullw %ymm0, %ymm10, %ymm0
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm5[0],ymm0[1],ymm5[1],ymm0[2],ymm5[2],ymm0[3],ymm5[3],ymm0[4],ymm5[4],ymm0[5],ymm5[5],ymm0[6],ymm5[6],ymm0[7],ymm5[7],ymm0[16],ymm5[16],ymm0[17],ymm5[17],ymm0[18],ymm5[18],ymm0[19],ymm5[19],ymm0[20],ymm5[20],ymm0[21],ymm5[21],ymm0[22],ymm5[22],ymm0[23],ymm5[23]
+; AVX512VL-NEXT:    vpmullw %ymm0, %ymm11, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm0, %ymm2, %ymm0
@@ -670,15 +667,14 @@
 ; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
@@ -698,15 +694,14 @@
 ; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
 ; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm3 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512VLBW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vporq %zmm0, %zmm2, %zmm0
 ; AVX512VLBW-NEXT:    retq
   %shl = shl <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1>
Index: llvm/test/CodeGen/X86/vector-shift-lshr-256.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shift-lshr-256.ll
+++ llvm/test/CodeGen/X86/vector-shift-lshr-256.ll
@@ -1111,15 +1111,14 @@
 ;
 ; AVX512DQVL-LABEL: constant_shift_v32i8:
 ; AVX512DQVL:       # %bb.0:
-; AVX512DQVL-NEXT:    vpunpckhbw {{.*#+}} ymm1 = ymm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31]
-; AVX512DQVL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512DQVL-NEXT:    vpmullw {{.*}}(%rip), %ymm1, %ymm1
-; AVX512DQVL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23]
-; AVX512DQVL-NEXT:    vpsrlw $8, %ymm0, %ymm0
+; AVX512DQVL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512DQVL-NEXT:    vpunpckhbw {{.*#+}} ymm2 = ymm0[8],ymm1[8],ymm0[9],ymm1[9],ymm0[10],ymm1[10],ymm0[11],ymm1[11],ymm0[12],ymm1[12],ymm0[13],ymm1[13],ymm0[14],ymm1[14],ymm0[15],ymm1[15],ymm0[24],ymm1[24],ymm0[25],ymm1[25],ymm0[26],ymm1[26],ymm0[27],ymm1[27],ymm0[28],ymm1[28],ymm0[29],ymm1[29],ymm0[30],ymm1[30],ymm0[31],ymm1[31]
+; AVX512DQVL-NEXT:    vpmullw {{.*}}(%rip), %ymm2, %ymm2
+; AVX512DQVL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512DQVL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm1[0],ymm0[1],ymm1[1],ymm0[2],ymm1[2],ymm0[3],ymm1[3],ymm0[4],ymm1[4],ymm0[5],ymm1[5],ymm0[6],ymm1[6],ymm0[7],ymm1[7],ymm0[16],ymm1[16],ymm0[17],ymm1[17],ymm0[18],ymm1[18],ymm0[19],ymm1[19],ymm0[20],ymm1[20],ymm0[21],ymm1[21],ymm0[22],ymm1[22],ymm0[23],ymm1[23]
 ; AVX512DQVL-NEXT:    vpmullw {{.*}}(%rip), %ymm0, %ymm0
 ; AVX512DQVL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512DQVL-NEXT:    vpackuswb %ymm1, %ymm0, %ymm0
+; AVX512DQVL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512DQVL-NEXT:    retq
 ;
 ; AVX512BWVL-LABEL: constant_shift_v32i8:
Index: llvm/test/CodeGen/X86/vector-shift-lshr-512.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shift-lshr-512.ll
+++ llvm/test/CodeGen/X86/vector-shift-lshr-512.ll
@@ -253,15 +253,14 @@
 ;
 ; AVX512BW-LABEL: constant_shift_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm1 = zmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,24,24,25,25,26,26,27,27,28,28,29,29,30,30,31,31,40,40,41,41,42,42,43,43,44,44,45,45,46,46,47,47,56,56,57,57,58,58,59,59,60,60,61,61,62,62,63,63]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm1, %zmm1
-; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,32,32,33,33,34,34,35,35,36,36,37,37,38,38,39,39,48,48,49,49,50,50,51,51,52,52,53,53,54,54,55,55]
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = zmm0[8],zmm1[8],zmm0[9],zmm1[9],zmm0[10],zmm1[10],zmm0[11],zmm1[11],zmm0[12],zmm1[12],zmm0[13],zmm1[13],zmm0[14],zmm1[14],zmm0[15],zmm1[15],zmm0[24],zmm1[24],zmm0[25],zmm1[25],zmm0[26],zmm1[26],zmm0[27],zmm1[27],zmm0[28],zmm1[28],zmm0[29],zmm1[29],zmm0[30],zmm1[30],zmm0[31],zmm1[31],zmm0[40],zmm1[40],zmm0[41],zmm1[41],zmm0[42],zmm1[42],zmm0[43],zmm1[43],zmm0[44],zmm1[44],zmm0[45],zmm1[45],zmm0[46],zmm1[46],zmm0[47],zmm1[47],zmm0[56],zmm1[56],zmm0[57],zmm1[57],zmm0[58],zmm1[58],zmm0[59],zmm1[59],zmm0[60],zmm1[60],zmm0[61],zmm1[61],zmm0[62],zmm1[62],zmm0[63],zmm1[63]
+; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm0 = zmm0[0],zmm1[0],zmm0[1],zmm1[1],zmm0[2],zmm1[2],zmm0[3],zmm1[3],zmm0[4],zmm1[4],zmm0[5],zmm1[5],zmm0[6],zmm1[6],zmm0[7],zmm1[7],zmm0[16],zmm1[16],zmm0[17],zmm1[17],zmm0[18],zmm1[18],zmm0[19],zmm1[19],zmm0[20],zmm1[20],zmm0[21],zmm1[21],zmm0[22],zmm1[22],zmm0[23],zmm1[23],zmm0[32],zmm1[32],zmm0[33],zmm1[33],zmm0[34],zmm1[34],zmm0[35],zmm1[35],zmm0[36],zmm1[36],zmm0[37],zmm1[37],zmm0[38],zmm1[38],zmm0[39],zmm1[39],zmm0[48],zmm1[48],zmm0[49],zmm1[49],zmm0[50],zmm1[50],zmm0[51],zmm1[51],zmm0[52],zmm1[52],zmm0[53],zmm1[53],zmm0[54],zmm1[54],zmm0[55],zmm1[55]
 ; AVX512BW-NEXT:    vpsllvw {{.*}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
   %shift = lshr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
   ret <64 x i8> %shift
Index: llvm/test/CodeGen/X86/vector-shuffle-128-v8.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shuffle-128-v8.ll
+++ llvm/test/CodeGen/X86/vector-shuffle-128-v8.ll
@@ -2321,7 +2321,7 @@
 ; AVX512VL-SLOW-LABEL: shuffle_v8i16_01100110:
 ; AVX512VL-SLOW:       # %bb.0:
 ; AVX512VL-SLOW-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,1,1,0,4,5,6,7]
-; AVX512VL-SLOW-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; AVX512VL-SLOW-NEXT:    vpbroadcastq %xmm0, %xmm0
 ; AVX512VL-SLOW-NEXT:    retq
 ;
 ; AVX512VL-FAST-LABEL: shuffle_v8i16_01100110:
@@ -2371,7 +2371,7 @@
 ; AVX512VL-SLOW-LABEL: shuffle_v8i16_01u0u110:
 ; AVX512VL-SLOW:       # %bb.0:
 ; AVX512VL-SLOW-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,1,1,0,4,5,6,7]
-; AVX512VL-SLOW-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
+; AVX512VL-SLOW-NEXT:    vpbroadcastq %xmm0, %xmm0
 ; AVX512VL-SLOW-NEXT:    retq
 ;
 ; AVX512VL-FAST-LABEL: shuffle_v8i16_01u0u110:
Index: llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
+++ llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
@@ -226,7 +226,7 @@
 define <32 x i16> @combine_vpermi2var_32i16_as_pshufb(<32 x i16> %a0) {
 ; CHECK-LABEL: combine_vpermi2var_32i16_as_pshufb:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpshufb {{.*#+}} zmm0 = zmm0[2,3,0,1,6,7,4,5,10,11,8,9,14,15,12,13,18,19,16,17,22,23,20,21,26,27,24,25,30,31,28,29,34,35,32,33,38,39,36,37,42,43,40,41,46,47,44,45,50,51,48,49,54,55,52,53,58,59,56,57,62,63,60,61]
+; CHECK-NEXT:    vprold $16, %zmm0, %zmm0
 ; CHECK-NEXT:    ret{{[l|q]}}
   %1 = call <32 x i16> @llvm.x86.avx512.permvar.hi.512(<32 x i16> %a0, <32 x i16> <i16 1, i16 0, i16 3, i16 2, i16 4, i16 5, i16 6, i16 7, i16 9, i16 8, i16 11, i16 10, i16 12, i16 13, i16 14, i16 15, i16 17, i16 16, i16 19, i16 18, i16 20, i16 21, i16 22, i16 23, i16 25, i16 24, i16 27, i16 26, i16 28, i16 29, i16 30, i16 31>)
   %2 = call <32 x i16> @llvm.x86.avx512.permvar.hi.512(<32 x i16> %1, <32 x i16> <i16 0, i16 1, i16 2, i16 3, i16 5, i16 4, i16 7, i16 6, i16 8, i16 9, i16 10, i16 11, i16 13, i16 12, i16 15, i16 14, i16 16, i16 17, i16 18, i16 19, i16 21, i16 20, i16 23, i16 22, i16 24, i16 25, i16 26, i16 27, i16 29, i16 28, i16 31, i16 30>)
Index: llvm/test/CodeGen/X86/vector-shuffle-combining-avx512f.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shuffle-combining-avx512f.ll
+++ llvm/test/CodeGen/X86/vector-shuffle-combining-avx512f.ll
@@ -338,8 +338,7 @@
 define <16 x float> @combine_vpermt2var_16f32_vmovddup(<16 x float> %x0, <16 x float> %x1) {
 ; CHECK-LABEL: combine_vpermt2var_16f32_vmovddup:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vmovaps {{.*#+}} zmm1 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
-; CHECK-NEXT:    vpermt2ps %zmm0, %zmm1, %zmm0
+; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 = zmm0[0,0,2,2,4,4,6,6]
 ; CHECK-NEXT:    ret{{[l|q]}}
   %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 -1)
   ret <16 x float> %res0
@@ -348,16 +347,12 @@
 ; X86-LABEL: combine_vpermt2var_16f32_vmovddup_load:
 ; X86:       # %bb.0:
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT:    vmovaps (%eax), %zmm1
-; X86-NEXT:    vmovaps {{.*#+}} zmm0 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
-; X86-NEXT:    vpermi2ps %zmm0, %zmm1, %zmm0
+; X86-NEXT:    vmovddup {{.*#+}} zmm0 = mem[0,0,2,2,4,4,6,6]
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: combine_vpermt2var_16f32_vmovddup_load:
 ; X64:       # %bb.0:
-; X64-NEXT:    vmovaps (%rdi), %zmm1
-; X64-NEXT:    vmovaps {{.*#+}} zmm0 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
-; X64-NEXT:    vpermi2ps %zmm0, %zmm1, %zmm0
+; X64-NEXT:    vmovddup {{.*#+}} zmm0 = mem[0,0,2,2,4,4,6,6]
 ; X64-NEXT:    retq
   %x0 = load <16 x float>, <16 x float> *%p0
   %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 -1)
@@ -876,9 +871,7 @@
 define <16 x i32> @combine_vpermt2var_16i32_as_vpsrlq(<16 x i32> %x0) {
 ; CHECK-LABEL: combine_vpermt2var_16i32_as_vpsrlq:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; CHECK-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [1,16,3,16,5,16,7,16,9,16,11,16,13,16,15,16]
-; CHECK-NEXT:    vpermt2d %zmm1, %zmm2, %zmm0
+; CHECK-NEXT:    vpsrlq $32, %zmm0, %zmm0
 ; CHECK-NEXT:    ret{{[l|q]}}
   %res0 = call <16 x i32> @llvm.x86.avx512.maskz.vpermt2var.d.512(<16 x i32> <i32 1, i32 16, i32 3, i32 16, i32 5, i32 16, i32 7, i32 16, i32 9, i32 16, i32 11, i32 16, i32 13, i32 16, i32 15, i32 16>, <16 x i32> %x0, <16 x i32> zeroinitializer, i16 -1)
   ret <16 x i32> %res0
@@ -887,9 +880,7 @@
 define <16 x i32> @combine_vpermt2var_16i32_as_vpsllq(<16 x i32> %x0) {
 ; CHECK-LABEL: combine_vpermt2var_16i32_as_vpsllq:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; CHECK-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [16,0,16,2,16,4,16,6,16,8,16,10,16,12,16,14]
-; CHECK-NEXT:    vpermt2d %zmm1, %zmm2, %zmm0
+; CHECK-NEXT:    vpsllq $32, %zmm0, %zmm0
 ; CHECK-NEXT:    ret{{[l|q]}}
   %res0 = call <16 x i32> @llvm.x86.avx512.maskz.vpermt2var.d.512(<16 x i32> <i32 16, i32 0, i32 16, i32 2, i32 16, i32 4, i32 16, i32 6, i32 16, i32 8, i32 16, i32 10, i32 16, i32 12, i32 16, i32 14>, <16 x i32> %x0, <16 x i32> zeroinitializer, i16 -1)
   ret <16 x i32> %res0
Index: llvm/test/CodeGen/X86/vector-shuffle-v1.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-shuffle-v1.ll
+++ llvm/test/CodeGen/X86/vector-shuffle-v1.ll
@@ -62,9 +62,8 @@
 ; AVX512VL-NEXT:    vmovdqa64 %xmm0, %xmm1 {%k1} {z}
 ; AVX512VL-NEXT:    movq $-1, %rax
 ; AVX512VL-NEXT:    vmovq %rax, %xmm2
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} xmm3 = [1,2]
-; AVX512VL-NEXT:    vpermi2q %xmm2, %xmm1, %xmm3
-; AVX512VL-NEXT:    vptestmq %xmm3, %xmm3, %k1
+; AVX512VL-NEXT:    vpalignr {{.*#+}} xmm1 = xmm1[8,9,10,11,12,13,14,15],xmm2[0,1,2,3,4,5,6,7]
+; AVX512VL-NEXT:    vptestmq %xmm1, %xmm1, %k1
 ; AVX512VL-NEXT:    vmovdqa64 %xmm0, %xmm0 {%k1} {z}
 ; AVX512VL-NEXT:    retq
 ;
@@ -75,9 +74,8 @@
 ; VL_BW_DQ-NEXT:    movq $-1, %rax
 ; VL_BW_DQ-NEXT:    vmovq %rax, %xmm0
 ; VL_BW_DQ-NEXT:    vpmovm2q %k0, %xmm1
-; VL_BW_DQ-NEXT:    vmovdqa {{.*#+}} xmm2 = [1,2]
-; VL_BW_DQ-NEXT:    vpermi2q %xmm0, %xmm1, %xmm2
-; VL_BW_DQ-NEXT:    vpmovq2m %xmm2, %k0
+; VL_BW_DQ-NEXT:    vpalignr {{.*#+}} xmm0 = xmm1[8,9,10,11,12,13,14,15],xmm0[0,1,2,3,4,5,6,7]
+; VL_BW_DQ-NEXT:    vpmovq2m %xmm0, %k0
 ; VL_BW_DQ-NEXT:    vpmovm2q %k0, %xmm0
 ; VL_BW_DQ-NEXT:    retq
   %b = shufflevector <2 x i1> %a, <2 x i1> <i1 1, i1 0>, <2 x i32> <i32 1, i32 2>