[llvm] 6bb7173 - [X86] convertShiftLeftToScale - improve vXi8 constant handling

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 12 08:48:38 PST 2021


Author: Simon Pilgrim
Date: 2021-11-12T16:48:10Z
New Revision: 6bb71738e26ca3ba4f2894bf6542bf33625a52c0

URL: https://github.com/llvm/llvm-project/commit/6bb71738e26ca3ba4f2894bf6542bf33625a52c0
DIFF: https://github.com/llvm/llvm-project/commit/6bb71738e26ca3ba4f2894bf6542bf33625a52c0.diff

LOG: [X86] convertShiftLeftToScale - improve vXi8 constant handling

Add support for v32i8/v64i8 converting shift-by-constant to multiply-by-constant. This helps us avoid the generic vXi8 shift lowering, and a lot of VPBLENDVB ops which can be particularly slow.

We also needed to reorder a few shift lowering patterns to prevent regressions, particularly for XOP+AVX2 (Excavator) targets (which can split to fast v16i8 shifts) and AVX512-BWI targets (which prefers to extend to fast v32i16 shifts).

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ISelLowering.cpp
    llvm/test/CodeGen/X86/min-legal-vector-width.ll
    llvm/test/CodeGen/X86/srem-seteq-vec-nonsplat.ll
    llvm/test/CodeGen/X86/vector-fshl-256.ll
    llvm/test/CodeGen/X86/vector-fshl-512.ll
    llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
    llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
    llvm/test/CodeGen/X86/vector-fshr-256.ll
    llvm/test/CodeGen/X86/vector-fshr-512.ll
    llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
    llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
    llvm/test/CodeGen/X86/vector-rotate-256.ll
    llvm/test/CodeGen/X86/vector-rotate-512.ll
    llvm/test/CodeGen/X86/vector-shift-shl-256.ll
    llvm/test/CodeGen/X86/vector-shift-shl-512.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 62d5d494108e..ec3a2c74543c 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -29031,7 +29031,9 @@ static SDValue convertShiftLeftToScale(SDValue Amt, const SDLoc &dl,
   if (!(VT == MVT::v8i16 || VT == MVT::v4i32 ||
         (Subtarget.hasInt256() && VT == MVT::v16i16) ||
         (Subtarget.hasAVX512() && VT == MVT::v32i16) ||
-        (!Subtarget.hasAVX512() && VT == MVT::v16i8)))
+        (!Subtarget.hasAVX512() && VT == MVT::v16i8) ||
+        (Subtarget.hasInt256() && VT == MVT::v32i8) ||
+        (Subtarget.hasBWI() && VT == MVT::v64i8)))
     return SDValue();
 
   if (ISD::isBuildVectorOfConstantSDNodes(Amt.getNode())) {
@@ -29113,6 +29115,20 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
   if (supportedVectorVarShift(VT, Subtarget, Opc))
     return Op;
 
+  // i64 vector arithmetic shift can be emulated with the transform:
+  // M = lshr(SIGN_MASK, Amt)
+  // ashr(R, Amt) === sub(xor(lshr(R, Amt), M), M)
+  if (((VT == MVT::v2i64 && !Subtarget.hasXOP()) ||
+       (VT == MVT::v4i64 && Subtarget.hasInt256())) &&
+      Opc == ISD::SRA) {
+    SDValue S = DAG.getConstant(APInt::getSignMask(64), dl, VT);
+    SDValue M = DAG.getNode(ISD::SRL, dl, VT, S, Amt);
+    R = DAG.getNode(ISD::SRL, dl, VT, R, Amt);
+    R = DAG.getNode(ISD::XOR, dl, VT, R, M);
+    R = DAG.getNode(ISD::SUB, dl, VT, R, M);
+    return R;
+  }
+
   // XOP has 128-bit variable logical/arithmetic shifts.
   // +ve/-ve Amt = shift left/right.
   if (Subtarget.hasXOP() && (VT == MVT::v2i64 || VT == MVT::v4i32 ||
@@ -29138,19 +29154,6 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
     return DAG.getVectorShuffle(VT, dl, R0, R1, {0, 3});
   }
 
-  // i64 vector arithmetic shift can be emulated with the transform:
-  // M = lshr(SIGN_MASK, Amt)
-  // ashr(R, Amt) === sub(xor(lshr(R, Amt), M), M)
-  if ((VT == MVT::v2i64 || (VT == MVT::v4i64 && Subtarget.hasInt256())) &&
-      Opc == ISD::SRA) {
-    SDValue S = DAG.getConstant(APInt::getSignMask(64), dl, VT);
-    SDValue M = DAG.getNode(ISD::SRL, dl, VT, S, Amt);
-    R = DAG.getNode(ISD::SRL, dl, VT, R, Amt);
-    R = DAG.getNode(ISD::XOR, dl, VT, R, M);
-    R = DAG.getNode(ISD::SUB, dl, VT, R, M);
-    return R;
-  }
-
   // If possible, lower this shift as a sequence of two shifts by
   // constant plus a BLENDing shuffle instead of scalarizing it.
   // Example:
@@ -29206,7 +29209,9 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
 
   // If possible, lower this packed shift into a vector multiply instead of
   // expanding it into a sequence of scalar shifts.
-  if (Opc == ISD::SHL)
+  // For v32i8 cases, it might be quicker to split/extend to vXi16 shifts.
+  if (Opc == ISD::SHL && !(VT == MVT::v32i8 && (Subtarget.hasXOP() ||
+                                                Subtarget.canExtendTo512BW())))
     if (SDValue Scale = convertShiftLeftToScale(Amt, dl, Subtarget, DAG))
       return DAG.getNode(ISD::MUL, dl, VT, R, Scale);
 

diff  --git a/llvm/test/CodeGen/X86/min-legal-vector-width.ll b/llvm/test/CodeGen/X86/min-legal-vector-width.ll
index 151c50715d61..0b3ba74fed0e 100644
--- a/llvm/test/CodeGen/X86/min-legal-vector-width.ll
+++ b/llvm/test/CodeGen/X86/min-legal-vector-width.ll
@@ -1734,30 +1734,45 @@ define <32 x i8> @splatvar_rotate_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind "mi
 }
 
 define <32 x i8> @constant_rotate_v32i8(<32 x i8> %a) nounwind "min-legal-vector-width"="256" {
-; CHECK-LABEL: constant_rotate_v32i8:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    vpsllw $4, %ymm0, %ymm1
-; CHECK-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; CHECK-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; CHECK-NEXT:    # ymm2 = mem[0,1,0,1]
-; CHECK-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; CHECK-NEXT:    vpsllw $2, %ymm1, %ymm3
-; CHECK-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; CHECK-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; CHECK-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; CHECK-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; CHECK-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; CHECK-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; CHECK-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; CHECK-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]
-; CHECK-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; CHECK-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; CHECK-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]
-; CHECK-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; CHECK-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; CHECK-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; CHECK-NEXT:    vpor %ymm0, %ymm1, %ymm0
-; CHECK-NEXT:    retq
+; CHECK-AVX512-LABEL: constant_rotate_v32i8:
+; CHECK-AVX512:       # %bb.0:
+; CHECK-AVX512-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; CHECK-AVX512-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]
+; CHECK-AVX512-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; CHECK-AVX512-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; CHECK-AVX512-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; CHECK-AVX512-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; CHECK-AVX512-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; CHECK-AVX512-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; CHECK-AVX512-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]
+; CHECK-AVX512-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; CHECK-AVX512-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; CHECK-AVX512-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; CHECK-AVX512-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]
+; CHECK-AVX512-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-AVX512-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; CHECK-AVX512-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; CHECK-AVX512-NEXT:    vpor %ymm1, %ymm0, %ymm0
+; CHECK-AVX512-NEXT:    retq
+;
+; CHECK-VBMI-LABEL: constant_rotate_v32i8:
+; CHECK-VBMI:       # %bb.0:
+; CHECK-VBMI-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]
+; CHECK-VBMI-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; CHECK-VBMI-NEXT:    vpunpcklbw {{.*#+}} ymm2 = 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]
+; CHECK-VBMI-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; CHECK-VBMI-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,2,4,6,8,10,12,14,32,34,36,38,40,42,44,46,16,18,20,22,24,26,28,30,48,50,52,54,56,58,60,62]
+; CHECK-VBMI-NEXT:    vpermi2b %ymm1, %ymm2, %ymm3
+; CHECK-VBMI-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; CHECK-VBMI-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]
+; CHECK-VBMI-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; CHECK-VBMI-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; CHECK-VBMI-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]
+; CHECK-VBMI-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; CHECK-VBMI-NEXT:    vpsrlw $8, %ymm0, %ymm0
+; CHECK-VBMI-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; CHECK-VBMI-NEXT:    vpor %ymm0, %ymm3, %ymm0
+; CHECK-VBMI-NEXT:    retq
   %shl = shl <32 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>
   %lshr = lshr <32 x i8> %a, <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>
   %or = or <32 x i8> %shl, %lshr

diff  --git a/llvm/test/CodeGen/X86/srem-seteq-vec-nonsplat.ll b/llvm/test/CodeGen/X86/srem-seteq-vec-nonsplat.ll
index 7d2d208dfd88..b93ecdff3941 100644
--- a/llvm/test/CodeGen/X86/srem-seteq-vec-nonsplat.ll
+++ b/llvm/test/CodeGen/X86/srem-seteq-vec-nonsplat.ll
@@ -2583,29 +2583,25 @@ define <32 x i1> @pr51133(<32 x i8> %x, <32 x i8> %y) {
 ; CHECK-AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
 ; CHECK-AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm4 = 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]
 ; CHECK-AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm4, %ymm4
-; CHECK-AVX512VL-NEXT:    vpand %ymm3, %ymm4, %ymm3
-; CHECK-AVX512VL-NEXT:    vpackuswb %ymm2, %ymm3, %ymm2
+; CHECK-AVX512VL-NEXT:    vpand %ymm3, %ymm4, %ymm4
+; CHECK-AVX512VL-NEXT:    vpackuswb %ymm2, %ymm4, %ymm2
 ; CHECK-AVX512VL-NEXT:    vpaddb {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; CHECK-AVX512VL-NEXT:    vpsllw $4, %ymm2, %ymm3
-; CHECK-AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; CHECK-AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,57344,41184,41184,57568,0,57344,49152,0,57344,8384,40960,224,224,41184,0]
-; CHECK-AVX512VL-NEXT:    vpblendvb %ymm4, %ymm3, %ymm2, %ymm3
-; CHECK-AVX512VL-NEXT:    vpsllw $2, %ymm3, %ymm5
-; CHECK-AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm5, %ymm5
-; CHECK-AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm4
-; CHECK-AVX512VL-NEXT:    vpblendvb %ymm4, %ymm5, %ymm3, %ymm3
-; CHECK-AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm5
-; CHECK-AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm4
-; CHECK-AVX512VL-NEXT:    vpblendvb %ymm4, %ymm5, %ymm3, %ymm3
 ; CHECK-AVX512VL-NEXT:    vpxor %xmm4, %xmm4, %xmm4
 ; CHECK-AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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]
 ; CHECK-AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm5, %ymm5
 ; CHECK-AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
-; CHECK-AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm2 = 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]
+; CHECK-AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm6 = 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]
+; CHECK-AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm6, %ymm6
+; CHECK-AVX512VL-NEXT:    vpsrlw $8, %ymm6, %ymm6
+; CHECK-AVX512VL-NEXT:    vpackuswb %ymm5, %ymm6, %ymm5
+; CHECK-AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm6 = 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]
+; CHECK-AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm6, %ymm6
+; CHECK-AVX512VL-NEXT:    vpand %ymm3, %ymm6, %ymm6
+; CHECK-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]
 ; CHECK-AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; CHECK-AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
-; CHECK-AVX512VL-NEXT:    vpackuswb %ymm5, %ymm2, %ymm2
-; CHECK-AVX512VL-NEXT:    vpor %ymm2, %ymm3, %ymm2
+; CHECK-AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; CHECK-AVX512VL-NEXT:    vpackuswb %ymm6, %ymm2, %ymm2
+; CHECK-AVX512VL-NEXT:    vpor %ymm5, %ymm2, %ymm2
 ; CHECK-AVX512VL-NEXT:    vpminub {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm3
 ; CHECK-AVX512VL-NEXT:    vpcmpeqb %ymm3, %ymm2, %ymm2
 ; CHECK-AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,255,255,255,255,255,255,255,255,255,255]

diff  --git a/llvm/test/CodeGen/X86/vector-fshl-256.ll b/llvm/test/CodeGen/X86/vector-fshl-256.ll
index 3c67b07346f3..b6d4334e86bc 100644
--- a/llvm/test/CodeGen/X86/vector-fshl-256.ll
+++ b/llvm/test/CodeGen/X86/vector-fshl-256.ll
@@ -2078,18 +2078,14 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ;
 ; AVX2-LABEL: constant_funnnel_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX2-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX2-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX2-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX2-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX2-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpsrlw $1, %ymm1, %ymm1
 ; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
@@ -2105,18 +2101,14 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ;
 ; AVX512F-LABEL: constant_funnnel_v32i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512F-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512F-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512F-NEXT:    vpsrlw $1, %ymm1, %ymm1
 ; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
@@ -2132,18 +2124,14 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ;
 ; AVX512VL-LABEL: constant_funnnel_v32i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VL-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
+; 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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm3, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpsrlw $1, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpxor %xmm2, %xmm2, %xmm2

diff  --git a/llvm/test/CodeGen/X86/vector-fshl-512.ll b/llvm/test/CodeGen/X86/vector-fshl-512.ll
index 880c379c1387..52b913da8723 100644
--- a/llvm/test/CodeGen/X86/vector-fshl-512.ll
+++ b/llvm/test/CodeGen/X86/vector-fshl-512.ll
@@ -1063,28 +1063,25 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512F-LABEL: constant_funnnel_v64i8:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm2, %ymm3
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm4 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512F-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm5, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $2, %ymm2, %ymm3
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512F-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm5, %ymm5, %ymm7
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm3
-; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm5, %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $2, %ymm0, %ymm3
-; AVX512F-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm3 = 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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm2, %ymm2
+; AVX512F-NEXT:    vpand %ymm5, %ymm2, %ymm2
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm2, %ymm2
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm0, %ymm0
+; AVX512F-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512F-NEXT:    vpsrlw $1, %ymm2, %ymm2
@@ -1118,28 +1115,25 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512VL-LABEL: constant_funnnel_v64i8:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm2, %ymm3
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm4 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VL-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm5, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $2, %ymm2, %ymm3
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm5, %ymm5, %ymm7
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm5, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $2, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = 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:    vbroadcasti128 {{.*#+}} ymm4 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; 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:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpand %ymm5, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpackuswb %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:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpand %ymm5, %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:    vpmullw %ymm6, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512VL-NEXT:    vpsrlw $1, %ymm2, %ymm2
@@ -1172,20 +1166,14 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ;
 ; AVX512BW-LABEL: constant_funnnel_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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 {{.*#+}} 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512BW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $1, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
@@ -1201,20 +1189,14 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ;
 ; AVX512VBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VBMI2:       # %bb.0:
-; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VBMI2-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VBMI2-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
+; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vpsrlw $1, %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
@@ -1230,20 +1212,14 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ;
 ; AVX512VLBW-LABEL: constant_funnnel_v64i8:
 ; AVX512VLBW:       # %bb.0:
-; AVX512VLBW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VLBW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLBW-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLBW-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]
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $1, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
@@ -1259,20 +1235,14 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ;
 ; AVX512VLVBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VLVBMI2:       # %bb.0:
-; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VLVBMI2-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLVBMI2-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
+; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vpsrlw $1, %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2

diff  --git a/llvm/test/CodeGen/X86/vector-fshl-rot-256.ll b/llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
index 306ab3f4e8c7..fa32f2da8638 100644
--- a/llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
+++ b/llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
@@ -1376,77 +1376,65 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x) nounwind {
 ;
 ; AVX2-LABEL: constant_funnnel_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX2-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX2-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-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]
-; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX2-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]
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX2-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX2-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX2-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]
 ; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX2-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX2-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: constant_funnnel_v32i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512F-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512F-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512F-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]
-; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512F-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]
+; AVX512F-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX512F-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]
 ; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512F-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512F-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512F-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_funnnel_v32i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VL-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%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:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm2, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm3, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_funnnel_v32i8:

diff  --git a/llvm/test/CodeGen/X86/vector-fshl-rot-512.ll b/llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
index a5f79092c25e..ba1520f59a96 100644
--- a/llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
+++ b/llvm/test/CodeGen/X86/vector-fshl-rot-512.ll
@@ -779,207 +779,177 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x) nounwind {
 ; AVX512F-LABEL: constant_funnnel_v64i8:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512F-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
+; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
 ; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512F-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512F-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512F-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512F-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512F-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
-; AVX512F-NEXT:    vpxor %xmm3, %xmm3, %xmm3
-; AVX512F-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]
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512F-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpmullw %ymm5, %ymm4, %ymm4
-; AVX512F-NEXT:    vpsrlw $8, %ymm4, %ymm4
-; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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]
 ; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
 ; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
-; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512F-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
-; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm0[8],ymm3[8],ymm0[9],ymm3[9],ymm0[10],ymm3[10],ymm0[11],ymm3[11],ymm0[12],ymm3[12],ymm0[13],ymm3[13],ymm0[14],ymm3[14],ymm0[15],ymm3[15],ymm0[24],ymm3[24],ymm0[25],ymm3[25],ymm0[26],ymm3[26],ymm0[27],ymm3[27],ymm0[28],ymm3[28],ymm0[29],ymm3[29],ymm0[30],ymm3[30],ymm0[31],ymm3[31]
-; AVX512F-NEXT:    vpmullw %ymm5, %ymm4, %ymm4
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512F-NEXT:    vpsrlw $8, %ymm5, %ymm5
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm5, %ymm3
+; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm5, %ymm4
 ; AVX512F-NEXT:    vpsrlw $8, %ymm4, %ymm4
-; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm3[0],ymm0[1],ymm3[1],ymm0[2],ymm3[2],ymm0[3],ymm3[3],ymm0[4],ymm3[4],ymm0[5],ymm3[5],ymm0[6],ymm3[6],ymm0[7],ymm3[7],ymm0[16],ymm3[16],ymm0[17],ymm3[17],ymm0[18],ymm3[18],ymm0[19],ymm3[19],ymm0[20],ymm3[20],ymm0[21],ymm3[21],ymm0[22],ymm3[22],ymm0[23],ymm3[23]
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm2 = 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]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm2, %ymm2
+; AVX512F-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512F-NEXT:    vpackuswb %ymm4, %ymm2, %ymm2
+; AVX512F-NEXT:    vinserti64x4 $1, %ymm3, %zmm2, %zmm2
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
+; AVX512F-NEXT:    vpand %ymm5, %ymm1, %ymm1
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
 ; AVX512F-NEXT:    vpmullw %ymm6, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512F-NEXT:    vpackuswb %ymm4, %ymm0, %ymm0
+; AVX512F-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
-; AVX512F-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512F-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_funnnel_v64i8:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
+; 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:    vbroadcasti128 {{.*#+}} ymm4 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
 ; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512VL-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512VL-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512VL-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
-; 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:    vbroadcasti128 {{.*#+}} ymm5 = [256,128,64,32,16,8,4,2,256,128,64,32,16,8,4,2]
-; AVX512VL-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm5, %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 %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpsrlw $8, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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:    vbroadcasti128 {{.*#+}} ymm6 = [256,2,4,8,16,32,64,128,256,2,4,8,16,32,64,128]
 ; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm0[8],ymm3[8],ymm0[9],ymm3[9],ymm0[10],ymm3[10],ymm0[11],ymm3[11],ymm0[12],ymm3[12],ymm0[13],ymm3[13],ymm0[14],ymm3[14],ymm0[15],ymm3[15],ymm0[24],ymm3[24],ymm0[25],ymm3[25],ymm0[26],ymm3[26],ymm0[27],ymm3[27],ymm0[28],ymm3[28],ymm0[29],ymm3[29],ymm0[30],ymm3[30],ymm0[31],ymm3[31]
-; AVX512VL-NEXT:    vpmullw %ymm5, %ymm4, %ymm4
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpsrlw $8, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm5, %ymm3
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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 %ymm4, %ymm5, %ymm4
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm0 = ymm0[0],ymm3[0],ymm0[1],ymm3[1],ymm0[2],ymm3[2],ymm0[3],ymm3[3],ymm0[4],ymm3[4],ymm0[5],ymm3[5],ymm0[6],ymm3[6],ymm0[7],ymm3[7],ymm0[16],ymm3[16],ymm0[17],ymm3[17],ymm0[18],ymm3[18],ymm0[19],ymm3[19],ymm0[20],ymm3[20],ymm0[21],ymm3[21],ymm0[22],ymm3[22],ymm0[23],ymm3[23]
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm2 = 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 %ymm6, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm2, %ymm2
+; AVX512VL-NEXT:    vinserti64x4 $1, %ymm3, %zmm2, %zmm2
+; 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:    vbroadcasti128 {{.*#+}} ymm4 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm5, %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:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpand %ymm5, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; 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:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpand %ymm5, %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:    vpmullw %ymm6, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
-; AVX512VL-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VL-NEXT:    vporq %zmm2, %zmm0, %zmm0
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_funnnel_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512BW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%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:    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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512BW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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 {{.*#+}} 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
-; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512BW-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512BW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: constant_funnnel_v64i8:
 ; AVX512VLBW:       # %bb.0:
-; AVX512VLBW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VLBW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%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:    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]
+; AVX512VLBW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm1 = 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLBW-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]
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    retq
 ;
 ; AVX512VBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VBMI2:       # %bb.0:
-; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
 ; AVX512VBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VBMI2-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]
-; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VBMI2-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]
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = 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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VBMI2-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]
 ; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    retq
 ;
 ; AVX512VLVBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VLVBMI2:       # %bb.0:
-; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VLVBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
 ; AVX512VLVBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VLVBMI2-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]
-; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm2, %zmm2
+; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm1 = 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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VLVBMI2-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]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLVBMI2-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>)
   ret <64 x i8> %res

diff  --git a/llvm/test/CodeGen/X86/vector-fshr-256.ll b/llvm/test/CodeGen/X86/vector-fshr-256.ll
index 6df47bcc8377..a5d34ffb9945 100644
--- a/llvm/test/CodeGen/X86/vector-fshr-256.ll
+++ b/llvm/test/CodeGen/X86/vector-fshr-256.ll
@@ -1765,19 +1765,6 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ;
 ; AVX2-LABEL: constant_funnnel_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX2-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX2-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX2-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX2-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX2-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
 ; AVX2-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]
 ; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
@@ -1786,24 +1773,20 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX2-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX2-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX2-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX2-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: constant_funnnel_v32i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512F-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
 ; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
 ; AVX512F-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]
 ; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
@@ -1812,24 +1795,20 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512F-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512F-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512F-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_funnnel_v32i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512VL-NEXT:    # ymm3 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm3, %ymm2, %ymm0, %ymm0
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
@@ -1838,6 +1817,15 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x, <32 x i8> %y) nounwind {
 ; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
+; 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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm3, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512VL-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512VL-NEXT:    retq
 ;

diff  --git a/llvm/test/CodeGen/X86/vector-fshr-512.ll b/llvm/test/CodeGen/X86/vector-fshr-512.ll
index 5ed47f9fb069..f8a0cd0dab64 100644
--- a/llvm/test/CodeGen/X86/vector-fshr-512.ll
+++ b/llvm/test/CodeGen/X86/vector-fshr-512.ll
@@ -1054,32 +1054,6 @@ define <32 x i16> @constant_funnnel_v32i16(<32 x i16> %x, <32 x i16> %y) nounwin
 define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512F-LABEL: constant_funnnel_v64i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm2, %ymm3
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm4 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512F-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm5, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $2, %ymm2, %ymm3
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512F-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm5, %ymm5, %ymm7
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm3
-; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm5, %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpsllw $2, %ymm0, %ymm3
-; AVX512F-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512F-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm2[8],ymm3[8],ymm2[9],ymm3[9],ymm2[10],ymm3[10],ymm2[11],ymm3[11],ymm2[12],ymm3[12],ymm2[13],ymm3[13],ymm2[14],ymm3[14],ymm2[15],ymm3[15],ymm2[24],ymm3[24],ymm2[25],ymm3[25],ymm2[26],ymm3[26],ymm2[27],ymm3[27],ymm2[28],ymm3[28],ymm2[29],ymm3[29],ymm2[30],ymm3[30],ymm2[31],ymm3[31]
@@ -1101,37 +1075,34 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512F-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm1, %zmm1
+; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
+; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm3 = 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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [128,1,2,4,8,16,32,64,128,1,2,4,8,16,32,64]
+; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [128,64,32,16,8,4,2,1,128,64,32,16,8,4,2,1]
+; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm2, %ymm2
+; AVX512F-NEXT:    vpand %ymm5, %ymm2, %ymm2
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm2, %ymm2
+; AVX512F-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm0, %ymm0
+; AVX512F-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512F-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_funnnel_v64i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm2, %ymm3
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm4 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512VL-NEXT:    # ymm5 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm5, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $2, %ymm2, %ymm3
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm5, %ymm5, %ymm7
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm5, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsllw $2, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpand %ymm6, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
 ; AVX512VL-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm4 = ymm2[8],ymm3[8],ymm2[9],ymm3[9],ymm2[10],ymm3[10],ymm2[11],ymm3[11],ymm2[12],ymm3[12],ymm2[13],ymm3[13],ymm2[14],ymm3[14],ymm2[15],ymm3[15],ymm2[24],ymm3[24],ymm2[25],ymm3[25],ymm2[26],ymm3[26],ymm2[27],ymm3[27],ymm2[28],ymm3[28],ymm2[29],ymm3[29],ymm2[30],ymm3[30],ymm2[31],ymm3[31]
@@ -1153,26 +1124,34 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm1, %zmm1
+; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm3 = 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:    vbroadcasti128 {{.*#+}} ymm4 = [128,1,2,4,8,16,32,64,128,1,2,4,8,16,32,64]
+; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm5 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm5, %ymm3, %ymm3
+; 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:    vbroadcasti128 {{.*#+}} ymm6 = [128,64,32,16,8,4,2,1,128,64,32,16,8,4,2,1]
+; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpand %ymm5, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpaddb %ymm0, %ymm0, %ymm0
+; 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:    vpmullw %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpand %ymm5, %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:    vpmullw %ymm6, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpand %ymm5, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm0, %zmm0
 ; AVX512VL-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_funnnel_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512BW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512BW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
@@ -1181,26 +1160,20 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512BW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm1, %zmm1
 ; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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 {{.*#+}} 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512BW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
 ; AVX512VBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VBMI2:       # %bb.0:
-; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512VBMI2-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VBMI2-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
@@ -1209,26 +1182,20 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
 ; AVX512VBMI2-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: constant_funnnel_v64i8:
 ; AVX512VLBW:       # %bb.0:
-; AVX512VLBW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512VLBW-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLBW-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
@@ -1237,26 +1204,20 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512VLBW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm1, %zmm1
 ; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLBW-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]
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    retq
 ;
 ; AVX512VLVBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VLVBMI2:       # %bb.0:
-; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm2 = [49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312,49376,32928,16480,32,224,16416,32864,49312]
-; AVX512VLVBMI2-NEXT:    # zmm2 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vpsllw $4, %zmm0, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLVBMI2-NEXT:    vpsllw $2, %zmm0, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm0 {%k1}
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm2, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%k1}
 ; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
@@ -1265,6 +1226,15 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x, <64 x i8> %y) nounwind {
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm1, %zmm1
 ; AVX512VLVBMI2-NEXT:    vpackuswb %zmm3, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpaddb %zmm0, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpunpckhbw {{.*#+}} zmm2 = 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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm2, %zmm2
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpandq %zmm3, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm2, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    retq
   %res = call <64 x i8> @llvm.fshr.v64i8(<64 x i8> %x, <64 x i8> %y, <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>)

diff  --git a/llvm/test/CodeGen/X86/vector-fshr-rot-256.ll b/llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
index 5d041072ee77..980b861a8bcc 100644
--- a/llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
+++ b/llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
@@ -1473,77 +1473,65 @@ define <32 x i8> @constant_funnnel_v32i8(<32 x i8> %x) nounwind {
 ;
 ; AVX2-LABEL: constant_funnnel_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX2-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX2-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-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]
-; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX2-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]
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX2-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX2-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX2-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]
 ; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX2-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX2-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: constant_funnnel_v32i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512F-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512F-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512F-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]
-; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512F-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]
+; AVX512F-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX512F-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]
 ; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512F-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512F-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512F-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_funnnel_v32i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512VL-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%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:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm2, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm3, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_funnnel_v32i8:

diff  --git a/llvm/test/CodeGen/X86/vector-fshr-rot-512.ll b/llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
index 9443807e0c40..d507e8858752 100644
--- a/llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
+++ b/llvm/test/CodeGen/X86/vector-fshr-rot-512.ll
@@ -803,28 +803,25 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x) nounwind {
 ; AVX512F-LABEL: constant_funnnel_v64i8:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512F-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512F-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512F-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512F-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512F-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512F-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512F-NEXT:    # ymm3 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512F-NEXT:    vpand %ymm4, %ymm5, %ymm5
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm5, %ymm2
+; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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]
+; AVX512F-NEXT:    vpmullw %ymm3, %ymm5, %ymm3
+; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512F-NEXT:    vpand %ymm4, %ymm5, %ymm4
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm4, %ymm3
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
 ; AVX512F-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512F-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]
@@ -852,28 +849,25 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x) nounwind {
 ; AVX512VL-LABEL: constant_funnnel_v64i8:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512VL-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512VL-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512VL-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
+; 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:    vbroadcasti128 {{.*#+}} ymm3 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm3 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; 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:    vbroadcasti128 {{.*#+}} ymm6 = [1,128,64,32,16,8,4,2,1,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpand %ymm4, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm5, %ymm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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:    vpmullw %ymm3, %ymm5, %ymm3
+; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpand %ymm4, %ymm5, %ymm4
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm4, %ymm3
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
 ; 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]
@@ -900,110 +894,86 @@ define <64 x i8> @constant_funnnel_v64i8(<64 x i8> %x) nounwind {
 ;
 ; AVX512BW-LABEL: constant_funnnel_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512BW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; 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:    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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512BW-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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 %zmm2, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
+; AVX512BW-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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:    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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512BW-NEXT:    vporq %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: constant_funnnel_v64i8:
 ; AVX512VLBW:       # %bb.0:
-; AVX512VLBW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512VLBW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; 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:    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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VLBW-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VLBW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VLBW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLBW-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]
 ; AVX512VLBW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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:    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]
 ; AVX512VLBW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vporq %zmm2, %zmm0, %zmm0
+; AVX512VLBW-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    retq
 ;
 ; AVX512VBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VBMI2:       # %bb.0:
-; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512VBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VBMI2-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]
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VBMI2-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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]
+; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
+; AVX512VBMI2-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VBMI2-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VBMI2-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]
 ; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VBMI2-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]
+; AVX512VBMI2-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]
 ; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vporq %zmm2, %zmm0, %zmm0
+; AVX512VBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    retq
 ;
 ; AVX512VLVBMI2-LABEL: constant_funnnel_v64i8:
 ; AVX512VLVBMI2:       # %bb.0:
-; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536]
-; AVX512VLVBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VLVBMI2-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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]
+; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
+; AVX512VLVBMI2-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VLVBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLVBMI2-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]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-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]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vporq %zmm2, %zmm0, %zmm0
+; AVX512VLVBMI2-NEXT:    vporq %zmm1, %zmm0, %zmm0
 ; AVX512VLVBMI2-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>)
   ret <64 x i8> %res

diff  --git a/llvm/test/CodeGen/X86/vector-rotate-256.ll b/llvm/test/CodeGen/X86/vector-rotate-256.ll
index 7a39e4fab991..92ad9d614944 100644
--- a/llvm/test/CodeGen/X86/vector-rotate-256.ll
+++ b/llvm/test/CodeGen/X86/vector-rotate-256.ll
@@ -1357,77 +1357,65 @@ define <32 x i8> @constant_rotate_v32i8(<32 x i8> %a) nounwind {
 ;
 ; AVX2-LABEL: constant_rotate_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX2-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX2-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-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]
-; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX2-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX2-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]
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX2-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX2-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX2-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]
 ; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX2-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX2-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX2-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: constant_rotate_v32i8:
 ; AVX512F:       # %bb.0:
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512F-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512F-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512F-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512F-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512F-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512F-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]
-; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512F-NEXT:    vpsrlw $8, %ymm3, %ymm3
-; AVX512F-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]
+; AVX512F-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX512F-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]
+; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
+; AVX512F-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]
 ; AVX512F-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512F-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512F-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512F-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512F-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512F-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VL-LABEL: constant_rotate_v32i8:
 ; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,57344,41152,24704,8256,8192,24640,41088,57536,57344,41152,24704,8256]
-; AVX512VL-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $2, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; AVX512VL-NEXT:    vpaddb %ymm1, %ymm1, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpblendvb %ymm2, %ymm3, %ymm1, %ymm1
-; 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 {{\.?LCPI[0-9]+_[0-9]+}}(%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:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512VL-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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vpsrlw $8, %ymm2, %ymm2
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm1 = 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]
+; AVX512VL-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
+; AVX512VL-NEXT:    vpackuswb %ymm2, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm3, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
-; AVX512VL-NEXT:    vpsrlw $8, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm0, %ymm0
-; AVX512VL-NEXT:    vpor %ymm0, %ymm1, %ymm0
+; AVX512VL-NEXT:    vpand %ymm3, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
+; AVX512VL-NEXT:    vpor %ymm1, %ymm0, %ymm0
 ; AVX512VL-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_rotate_v32i8:

diff  --git a/llvm/test/CodeGen/X86/vector-rotate-512.ll b/llvm/test/CodeGen/X86/vector-rotate-512.ll
index 19f5457b96af..5495d26e6c79 100644
--- a/llvm/test/CodeGen/X86/vector-rotate-512.ll
+++ b/llvm/test/CodeGen/X86/vector-rotate-512.ll
@@ -720,28 +720,25 @@ define <64 x i8> @constant_rotate_v64i8(<64 x i8> %a) nounwind {
 ; AVX512F-LABEL: constant_rotate_v64i8:
 ; AVX512F:       # %bb.0:
 ; AVX512F-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512F-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512F-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512F-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512F-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512F-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512F-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512F-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512F-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512F-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512F-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512F-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512F-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512F-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [0,128,64,32,16,8,4,2,0,128,64,32,16,8,4,2]
+; AVX512F-NEXT:    # ymm3 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} ymm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512F-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; AVX512F-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]
+; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512F-NEXT:    vpand %ymm4, %ymm5, %ymm5
+; AVX512F-NEXT:    vpackuswb %ymm2, %ymm5, %ymm2
+; AVX512F-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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]
+; AVX512F-NEXT:    vpmullw %ymm3, %ymm5, %ymm3
+; AVX512F-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; AVX512F-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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]
+; AVX512F-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512F-NEXT:    vpand %ymm4, %ymm5, %ymm4
+; AVX512F-NEXT:    vpackuswb %ymm3, %ymm4, %ymm3
 ; AVX512F-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
 ; AVX512F-NEXT:    vpxor %xmm3, %xmm3, %xmm3
 ; AVX512F-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]
@@ -750,8 +747,6 @@ define <64 x i8> @constant_rotate_v64i8(<64 x i8> %a) nounwind {
 ; AVX512F-NEXT:    vpmullw %ymm5, %ymm4, %ymm4
 ; AVX512F-NEXT:    vpsrlw $8, %ymm4, %ymm4
 ; AVX512F-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]
-; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
-; AVX512F-NEXT:    # ymm6 = mem[0,1,0,1]
 ; AVX512F-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
 ; AVX512F-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512F-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
@@ -769,28 +764,25 @@ define <64 x i8> @constant_rotate_v64i8(<64 x i8> %a) nounwind {
 ; AVX512VL-LABEL: constant_rotate_v64i8:
 ; AVX512VL:       # %bb.0:
 ; AVX512VL-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512VL-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512VL-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512VL-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512VL-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm2
-; AVX512VL-NEXT:    vpsllw $2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm6 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512VL-NEXT:    vpand %ymm6, %ymm5, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm4, %ymm4, %ymm7
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpaddb %ymm2, %ymm2, %ymm5
-; AVX512VL-NEXT:    vpaddb %ymm7, %ymm7, %ymm8
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm5, %ymm2, %ymm2
-; AVX512VL-NEXT:    vpsllw $4, %ymm0, %ymm5
-; AVX512VL-NEXT:    vpand %ymm3, %ymm5, %ymm3
-; AVX512VL-NEXT:    vpblendvb %ymm4, %ymm3, %ymm0, %ymm3
-; AVX512VL-NEXT:    vpsllw $2, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpand %ymm6, %ymm4, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm7, %ymm4, %ymm3, %ymm3
-; AVX512VL-NEXT:    vpaddb %ymm3, %ymm3, %ymm4
-; AVX512VL-NEXT:    vpblendvb %ymm8, %ymm4, %ymm3, %ymm3
+; 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:    vbroadcasti128 {{.*#+}} ymm3 = [0,128,64,32,16,8,4,2,0,128,64,32,16,8,4,2]
+; AVX512VL-NEXT:    # ymm3 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512VL-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; 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:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
+; AVX512VL-NEXT:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpand %ymm4, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpackuswb %ymm2, %ymm5, %ymm2
+; AVX512VL-NEXT:    vpunpckhbw {{.*#+}} ymm5 = 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:    vpmullw %ymm3, %ymm5, %ymm3
+; AVX512VL-NEXT:    vpand %ymm4, %ymm3, %ymm3
+; AVX512VL-NEXT:    vpunpcklbw {{.*#+}} ymm5 = 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:    vpmullw %ymm6, %ymm5, %ymm5
+; AVX512VL-NEXT:    vpand %ymm4, %ymm5, %ymm4
+; AVX512VL-NEXT:    vpackuswb %ymm3, %ymm4, %ymm3
 ; AVX512VL-NEXT:    vinserti64x4 $1, %ymm2, %zmm3, %zmm2
 ; 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]
@@ -799,8 +791,6 @@ define <64 x i8> @constant_rotate_v64i8(<64 x i8> %a) nounwind {
 ; AVX512VL-NEXT:    vpmullw %ymm5, %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:    vbroadcasti128 {{.*#+}} ymm6 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
-; AVX512VL-NEXT:    # ymm6 = mem[0,1,0,1]
 ; AVX512VL-NEXT:    vpmullw %ymm6, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpsrlw $8, %ymm1, %ymm1
 ; AVX512VL-NEXT:    vpackuswb %ymm4, %ymm1, %ymm1
@@ -817,110 +807,94 @@ define <64 x i8> @constant_rotate_v64i8(<64 x i8> %a) nounwind {
 ;
 ; AVX512BW-LABEL: constant_rotate_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512BW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; 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:    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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512BW-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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 %zmm2, %zmm1, %zmm1
+; AVX512BW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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:    vbroadcasti32x4 {{.*#+}} zmm4 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
+; AVX512BW-NEXT:    # zmm4 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; AVX512BW-NEXT:    vpsllvw %zmm4, %zmm3, %zmm3
+; AVX512BW-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; 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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; 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:    vpsllvw %zmm4, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512BW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512BW-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512BW-NEXT:    vporq %zmm0, %zmm1, %zmm0
 ; AVX512BW-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: constant_rotate_v64i8:
 ; AVX512VLBW:       # %bb.0:
-; AVX512VLBW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512VLBW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLBW-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLBW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLBW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLBW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLBW-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; 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:    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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VLBW-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VLBW-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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:    vbroadcasti32x4 {{.*#+}} zmm4 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
+; AVX512VLBW-NEXT:    # zmm4 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; AVX512VLBW-NEXT:    vpsllvw %zmm4, %zmm3, %zmm3
+; AVX512VLBW-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VLBW-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VLBW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLBW-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]
 ; AVX512VLBW-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%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 {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLBW-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]
+; AVX512VLBW-NEXT:    vpsllvw %zmm4, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VLBW-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLBW-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VLBW-NEXT:    vporq %zmm0, %zmm1, %zmm0
 ; AVX512VLBW-NEXT:    retq
 ;
 ; AVX512VBMI2-LABEL: constant_rotate_v64i8:
 ; AVX512VBMI2:       # %bb.0:
-; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512VBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VBMI2-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]
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VBMI2-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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]
+; AVX512VBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm4 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
+; AVX512VBMI2-NEXT:    # zmm4 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; AVX512VBMI2-NEXT:    vpsllvw %zmm4, %zmm3, %zmm3
+; AVX512VBMI2-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VBMI2-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VBMI2-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]
 ; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VBMI2-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]
-; AVX512VBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VBMI2-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]
+; AVX512VBMI2-NEXT:    vpsllvw %zmm4, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VBMI2-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VBMI2-NEXT:    vporq %zmm0, %zmm1, %zmm0
 ; AVX512VBMI2-NEXT:    retq
 ;
 ; AVX512VLVBMI2-LABEL: constant_rotate_v64i8:
 ; AVX512VLVBMI2:       # %bb.0:
-; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256,8192,24640,41088,57536,57600,41152,24704,8256]
-; AVX512VLVBMI2-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512VLVBMI2-NEXT:    vpblendmb %zmm2, %zmm0, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpsllw $2, %zmm2, %zmm3
-; AVX512VLVBMI2-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vmovdqu8 %zmm3, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512VLVBMI2-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512VLVBMI2-NEXT:    vpaddb %zmm2, %zmm2, %zmm2 {%k1}
-; AVX512VLVBMI2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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]
+; AVX512VLVBMI2-NEXT:    vpandq %zmm2, %zmm1, %zmm1
+; AVX512VLVBMI2-NEXT:    vpunpcklbw {{.*#+}} zmm3 = 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]
+; AVX512VLVBMI2-NEXT:    vbroadcasti32x4 {{.*#+}} zmm4 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
+; AVX512VLVBMI2-NEXT:    # zmm4 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
+; AVX512VLVBMI2-NEXT:    vpsllvw %zmm4, %zmm3, %zmm3
+; AVX512VLVBMI2-NEXT:    vpandq %zmm2, %zmm3, %zmm2
+; AVX512VLVBMI2-NEXT:    vpackuswb %zmm1, %zmm2, %zmm1
+; AVX512VLVBMI2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX512VLVBMI2-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]
 ; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm3, %zmm3
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm3, %zmm3
-; AVX512VLVBMI2-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]
-; AVX512VLVBMI2-NEXT:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512VLVBMI2-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]
+; AVX512VLVBMI2-NEXT:    vpsllvw %zmm4, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vpsrlw $8, %zmm0, %zmm0
 ; AVX512VLVBMI2-NEXT:    vpackuswb %zmm3, %zmm0, %zmm0
-; AVX512VLVBMI2-NEXT:    vporq %zmm0, %zmm2, %zmm0
+; AVX512VLVBMI2-NEXT:    vporq %zmm0, %zmm1, %zmm0
 ; AVX512VLVBMI2-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>
   %lshr = lshr <64 x i8> %a, <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, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>

diff  --git a/llvm/test/CodeGen/X86/vector-shift-shl-256.ll b/llvm/test/CodeGen/X86/vector-shift-shl-256.ll
index bbcd4875cd1b..d151177d96c7 100644
--- a/llvm/test/CodeGen/X86/vector-shift-shl-256.ll
+++ b/llvm/test/CodeGen/X86/vector-shift-shl-256.ll
@@ -951,18 +951,14 @@ define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) nounwind {
 ;
 ; AVX2-LABEL: constant_shift_v32i8:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; AVX2-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX2-NEXT:    vpsllw $2, %ymm0, %ymm1
-; AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm1
-; AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %ymm2, %ymm1, %ymm1
+; AVX2-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]
+; AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX2-NEXT:    vpand %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpackuswb %ymm1, %ymm0, %ymm0
 ; AVX2-NEXT:    retq
 ;
 ; XOPAVX1-LABEL: constant_shift_v32i8:
@@ -985,18 +981,14 @@ define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) nounwind {
 ;
 ; AVX512DQ-LABEL: constant_shift_v32i8:
 ; AVX512DQ:       # %bb.0:
-; AVX512DQ-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512DQ-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512DQ-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; AVX512DQ-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512DQ-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX512DQ-NEXT:    vpsllw $2, %ymm0, %ymm1
-; AVX512DQ-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512DQ-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX512DQ-NEXT:    vpaddb %ymm0, %ymm0, %ymm1
-; AVX512DQ-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512DQ-NEXT:    vmovdqa {{.*#+}} ymm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512DQ-NEXT:    vpand %ymm2, %ymm1, %ymm1
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpand %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpackuswb %ymm1, %ymm0, %ymm0
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_shift_v32i8:
@@ -1008,18 +1000,14 @@ define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) nounwind {
 ;
 ; AVX512DQVL-LABEL: constant_shift_v32i8:
 ; AVX512DQVL:       # %bb.0:
-; AVX512DQVL-NEXT:    vpsllw $4, %ymm0, %ymm1
-; AVX512DQVL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512DQVL-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; AVX512DQVL-NEXT:    # ymm2 = mem[0,1,0,1]
-; AVX512DQVL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX512DQVL-NEXT:    vpsllw $2, %ymm0, %ymm1
-; AVX512DQVL-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
-; AVX512DQVL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512DQVL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; AVX512DQVL-NEXT:    vpaddb %ymm0, %ymm0, %ymm1
-; AVX512DQVL-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; AVX512DQVL-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
+; 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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1
+; AVX512DQVL-NEXT:    vmovdqa {{.*#+}} ymm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512DQVL-NEXT:    vpand %ymm2, %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:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX512DQVL-NEXT:    vpand %ymm2, %ymm0, %ymm0
+; AVX512DQVL-NEXT:    vpackuswb %ymm1, %ymm0, %ymm0
 ; AVX512DQVL-NEXT:    retq
 ;
 ; AVX512BWVL-LABEL: constant_shift_v32i8:
@@ -1054,18 +1042,14 @@ define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) nounwind {
 ;
 ; X86-AVX2-LABEL: constant_shift_v32i8:
 ; X86-AVX2:       # %bb.0:
-; X86-AVX2-NEXT:    vpsllw $4, %ymm0, %ymm1
-; X86-AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}, %ymm1, %ymm1
-; X86-AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm2 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; X86-AVX2-NEXT:    # ymm2 = mem[0,1,0,1]
-; X86-AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; X86-AVX2-NEXT:    vpsllw $2, %ymm0, %ymm1
-; X86-AVX2-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}, %ymm1, %ymm1
-; X86-AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; X86-AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
-; X86-AVX2-NEXT:    vpaddb %ymm0, %ymm0, %ymm1
-; X86-AVX2-NEXT:    vpaddb %ymm2, %ymm2, %ymm2
-; X86-AVX2-NEXT:    vpblendvb %ymm2, %ymm1, %ymm0, %ymm0
+; X86-AVX2-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]
+; X86-AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}, %ymm1, %ymm1
+; X86-AVX2-NEXT:    vmovdqa {{.*#+}} ymm2 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; X86-AVX2-NEXT:    vpand %ymm2, %ymm1, %ymm1
+; X86-AVX2-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]
+; X86-AVX2-NEXT:    vpmullw {{\.?LCPI[0-9]+_[0-9]+}}, %ymm0, %ymm0
+; X86-AVX2-NEXT:    vpand %ymm2, %ymm0, %ymm0
+; X86-AVX2-NEXT:    vpackuswb %ymm1, %ymm0, %ymm0
 ; X86-AVX2-NEXT:    retl
   %shift = shl <32 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>
   ret <32 x i8> %shift

diff  --git a/llvm/test/CodeGen/X86/vector-shift-shl-512.ll b/llvm/test/CodeGen/X86/vector-shift-shl-512.ll
index fea61c6ff8da..45c653c3e78b 100644
--- a/llvm/test/CodeGen/X86/vector-shift-shl-512.ll
+++ b/llvm/test/CodeGen/X86/vector-shift-shl-512.ll
@@ -218,47 +218,38 @@ define <64 x i8> @constant_shift_v64i8(<64 x i8> %a) nounwind {
 ; AVX512DQ-LABEL: constant_shift_v64i8:
 ; AVX512DQ:       # %bb.0:
 ; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm1
-; AVX512DQ-NEXT:    vpsllw $4, %ymm1, %ymm2
-; AVX512DQ-NEXT:    vmovdqa {{.*#+}} ymm3 = [240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240,240]
-; AVX512DQ-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vbroadcasti128 {{.*#+}} ymm4 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; AVX512DQ-NEXT:    # ymm4 = mem[0,1,0,1]
-; AVX512DQ-NEXT:    vpblendvb %ymm4, %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT:    vpsllw $2, %ymm1, %ymm2
-; AVX512DQ-NEXT:    vmovdqa {{.*#+}} ymm5 = [252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252]
-; AVX512DQ-NEXT:    vpand %ymm5, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vpaddb %ymm4, %ymm4, %ymm6
-; AVX512DQ-NEXT:    vpblendvb %ymm6, %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT:    vpaddb %ymm1, %ymm1, %ymm2
-; AVX512DQ-NEXT:    vpaddb %ymm6, %ymm6, %ymm7
-; AVX512DQ-NEXT:    vpblendvb %ymm7, %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT:    vpsllw $4, %ymm0, %ymm2
-; AVX512DQ-NEXT:    vpand %ymm3, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vpblendvb %ymm4, %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT:    vpsllw $2, %ymm0, %ymm2
-; AVX512DQ-NEXT:    vpand %ymm5, %ymm2, %ymm2
-; AVX512DQ-NEXT:    vpblendvb %ymm6, %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT:    vpaddb %ymm0, %ymm0, %ymm2
-; AVX512DQ-NEXT:    vpblendvb %ymm7, %ymm2, %ymm0, %ymm0
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vbroadcasti128 {{.*#+}} ymm3 = [128,64,32,16,8,4,2,1,128,64,32,16,8,4,2,1]
+; AVX512DQ-NEXT:    # ymm3 = mem[0,1,0,1]
+; AVX512DQ-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512DQ-NEXT:    vmovdqa {{.*#+}} ymm4 = [255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
+; AVX512DQ-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vbroadcasti128 {{.*#+}} ymm5 = [1,2,4,8,16,32,64,128,1,2,4,8,16,32,64,128]
+; AVX512DQ-NEXT:    # ymm5 = mem[0,1,0,1]
+; AVX512DQ-NEXT:    vpmullw %ymm5, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vpand %ymm4, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vpackuswb %ymm2, %ymm1, %ymm1
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vpmullw %ymm3, %ymm2, %ymm2
+; AVX512DQ-NEXT:    vpand %ymm4, %ymm2, %ymm2
+; AVX512DQ-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]
+; AVX512DQ-NEXT:    vpmullw %ymm5, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpand %ymm4, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpackuswb %ymm2, %ymm0, %ymm0
 ; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512BW-LABEL: constant_shift_v64i8:
 ; AVX512BW:       # %bb.0:
-; AVX512BW-NEXT:    vbroadcasti32x4 {{.*#+}} zmm1 = [8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32,8192,24640,41088,57536,49376,32928,16480,32]
-; AVX512BW-NEXT:    # zmm1 = mem[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3]
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpsllw $4, %zmm0, %zmm2
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vmovdqu8 %zmm2, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpsllw $2, %zmm0, %zmm2
-; AVX512BW-NEXT:    vpandq {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2, %zmm2
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vmovdqu8 %zmm2, %zmm0 {%k1}
-; AVX512BW-NEXT:    vpaddb %zmm1, %zmm1, %zmm1
-; AVX512BW-NEXT:    vpmovb2m %zmm1, %k1
-; AVX512BW-NEXT:    vpaddb %zmm0, %zmm0, %zmm0 {%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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm1, %zmm1
+; AVX512BW-NEXT:    vmovdqa64 {{.*#+}} zmm2 = [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 %zmm2, %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:    vpsllvw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm0, %zmm0
+; AVX512BW-NEXT:    vpandq %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpackuswb %zmm1, %zmm0, %zmm0
 ; AVX512BW-NEXT:    retq
   %shift = shl <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


        


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