diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index f01e86cf366b..004d2aca941c 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -864,25 +864,23 @@ PrevCrossBBInst(MachineBasicBlock::const_iterator MBBI) {
   return --MBBI;
 }
 
-static const Constant *getShuffleMaskConstant(const MachineInstr &MI,
-                                              const MachineOperand &DstOp,
-                                              const MachineOperand &SrcOp,
-                                              const MachineOperand &MaskOp) {
-  if (!MaskOp.isCPI())
+static const Constant *getConstantFromPool(const MachineInstr &MI,
+                                           const MachineOperand &Op) {
+  if (!Op.isCPI())
     return nullptr;
 
   ArrayRef<MachineConstantPoolEntry> Constants =
       MI.getParent()->getParent()->getConstantPool()->getConstants();
-  const MachineConstantPoolEntry &MaskConstantEntry =
-      Constants[MaskOp.getIndex()];
+  const MachineConstantPoolEntry &ConstantEntry =
+      Constants[Op.getIndex()];
 
   // Bail if this is a machine constant pool entry, we won't be able to dig out
   // anything useful.
-  if (MaskConstantEntry.isMachineConstantPoolEntry())
+  if (ConstantEntry.isMachineConstantPoolEntry())
     return nullptr;
 
-  auto *C = dyn_cast<Constant>(MaskConstantEntry.Val.ConstVal);
-  assert((!C || MaskConstantEntry.getType() == C->getType()) &&
+  auto *C = dyn_cast<Constant>(ConstantEntry.Val.ConstVal);
+  assert((!C || ConstantEntry.getType() == C->getType()) &&
          "Expected a constant of the same type!");
   return C;
 }
@@ -1109,7 +1107,7 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
     const MachineOperand &SrcOp = MI->getOperand(1);
     const MachineOperand &MaskOp = MI->getOperand(5);
 
-    if (auto *C = getShuffleMaskConstant(*MI, DstOp, SrcOp, MaskOp)) {
+    if (auto *C = getConstantFromPool(*MI, MaskOp)) {
       SmallVector<int, 16> Mask;
       DecodePSHUFBMask(C, Mask);
       if (!Mask.empty())
@@ -1129,7 +1127,7 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
     const MachineOperand &SrcOp = MI->getOperand(1);
     const MachineOperand &MaskOp = MI->getOperand(5);
 
-    if (auto *C = getShuffleMaskConstant(*MI, DstOp, SrcOp, MaskOp)) {
+    if (auto *C = getConstantFromPool(*MI, MaskOp)) {
       SmallVector<int, 16> Mask;
       DecodeVPERMILPMask(C, Mask);
       if (!Mask.empty())
@@ -1137,6 +1135,74 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
     }
     break;
   }
+
+    // For loads from a constant pool to a vector register, print the constant
+    // loaded.
+  case X86::MOVAPDrm:
+  case X86::VMOVAPDrm:
+  case X86::VMOVAPDYrm:
+  case X86::MOVUPDrm:
+  case X86::VMOVUPDrm:
+  case X86::VMOVUPDYrm:
+  case X86::MOVAPSrm:
+  case X86::VMOVAPSrm:
+  case X86::VMOVAPSYrm:
+  case X86::MOVUPSrm:
+  case X86::VMOVUPSrm:
+  case X86::VMOVUPSYrm:
+  case X86::MOVDQArm:
+  case X86::VMOVDQArm:
+  case X86::VMOVDQAYrm:
+  case X86::MOVDQUrm:
+  case X86::VMOVDQUrm:
+  case X86::VMOVDQUYrm:
+    if (!OutStreamer.isVerboseAsm())
+      break;
+    if (MI->getNumOperands() > 4)
+    if (auto *C = getConstantFromPool(*MI, MI->getOperand(4))) {
+      std::string Comment;
+      raw_string_ostream CS(Comment);
+      const MachineOperand &DstOp = MI->getOperand(0);
+      CS << X86ATTInstPrinter::getRegisterName(DstOp.getReg()) << " = ";
+      if (auto *CDS = dyn_cast<ConstantDataSequential>(C)) {
+        CS << "[";
+        for (int i = 0, NumElements = CDS->getNumElements(); i < NumElements; ++i) {
+          if (i != 0)
+            CS << ",";
+          if (CDS->getElementType()->isIntegerTy())
+            CS << CDS->getElementAsInteger(i);
+          else if (CDS->getElementType()->isFloatTy())
+            CS << CDS->getElementAsFloat(i);
+          else if (CDS->getElementType()->isDoubleTy())
+            CS << CDS->getElementAsDouble(i);
+          else
+            CS << "?";
+        }
+        CS << "]";
+        OutStreamer.AddComment(CS.str());
+      } else if (auto *CV = dyn_cast<ConstantVector>(C)) {
+        CS << "<";
+        for (int i = 0, NumOperands = CV->getNumOperands(); i < NumOperands; ++i) {
+          if (i != 0)
+            CS << ",";
+          Constant *COp = CV->getOperand(i);
+          if (isa<UndefValue>(COp)) {
+            CS << "u";
+          } else if (auto *CI = dyn_cast<ConstantInt>(COp)) {
+            CS << CI->getZExtValue();
+          } else if (auto *CF = dyn_cast<ConstantFP>(COp)) {
+            SmallString<32> Str;
+            CF->getValueAPF().toString(Str);
+            CS << Str;
+          } else {
+            CS << "?";
+          }
+        }
+        CS << ">";
+        OutStreamer.AddComment(CS.str());
+      }
+    }
+    break;
   }
 
   MCInst TmpInst;
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll
index 12e84f08607a..9145e0c7878d 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll
@@ -377,7 +377,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI16_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -386,7 +386,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI16_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -399,7 +399,7 @@ define <16 x i16> @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_1
 ; AVX1-LABEL: @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI17_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,14,15,14,15,14,15,14,15,14,15,14,15,14,15]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -408,7 +408,7 @@ define <16 x i16> @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_1
 ; AVX2-LABEL: @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI17_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,14,15,14,15,14,15,14,15,14,15,14,15,14,15]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -671,7 +671,7 @@ define <16 x i16> @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_2
 ; AVX1-LABEL: @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_24
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI31_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [0,1,0,1,4,5,0,1,0,1,0,1,12,13,0,1]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
 ; AVX1-NEXT:    vpshufd {{.*}} # xmm4 = xmm4[0,0,0,0]
@@ -685,7 +685,7 @@ define <16 x i16> @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_2
 ; AVX2-LABEL: @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_24
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI31_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [0,1,0,1,4,5,0,1,0,1,0,1,12,13,0,1]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm4
 ; AVX2-NEXT:    vpshufd {{.*}} # xmm4 = xmm4[0,0,0,0]
@@ -793,7 +793,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI35_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -802,7 +802,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI35_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -815,7 +815,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI36_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -824,7 +824,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI36_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -837,7 +837,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI37_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -846,7 +846,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI37_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -859,7 +859,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI38_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -868,7 +868,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI38_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -881,7 +881,7 @@ define <16 x i16> @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI39_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -890,7 +890,7 @@ define <16 x i16> @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI39_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -903,7 +903,7 @@ define <16 x i16> @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI40_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -912,7 +912,7 @@ define <16 x i16> @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI40_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -925,7 +925,7 @@ define <16 x i16> @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_0
 ; AVX1-LABEL: @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_08
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI41_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -934,7 +934,7 @@ define <16 x i16> @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_0
 ; AVX2-LABEL: @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_08
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI41_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
index 3a5c89455d5c..b417eacb6c65 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
@@ -771,7 +771,7 @@ define <32 x i8> @shuffle_v32i8_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_
 ; AVX1-LABEL: @shuffle_v32i8_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_31_31_31_31_31_31_31_31_31_31_31_31_31_31_31_31
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI33_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -780,7 +780,7 @@ define <32 x i8> @shuffle_v32i8_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_
 ; AVX2-LABEL: @shuffle_v32i8_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_15_31_31_31_31_31_31_31_31_31_31_31_31_31_31_31_31
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI33_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -793,7 +793,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08_16_16_16_16_16_16_16_16_24_24_24_24_24_24_24_24
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI34_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -802,7 +802,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08_16_16_16_16_16_16_16_16_24_24_24_24_24_24_24_24
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI34_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -815,7 +815,7 @@ define <32 x i8> @shuffle_v32i8_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15_
 ; AVX1-LABEL: @shuffle_v32i8_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15_23_23_23_23_23_23_23_23_31_31_31_31_31_31_31_31
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI35_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [7,7,7,7,7,7,7,7,15,15,15,15,15,15,15,15]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -824,7 +824,7 @@ define <32 x i8> @shuffle_v32i8_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15_
 ; AVX2-LABEL: @shuffle_v32i8_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15_23_23_23_23_23_23_23_23_31_31_31_31_31_31_31_31
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI35_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [7,7,7,7,7,7,7,7,15,15,15,15,15,15,15,15]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -837,7 +837,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_12_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_12_16_16_16_16_20_20_20_20_24_24_24_24_28_28_28_28
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI36_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,4,4,4,4,8,8,8,8,12,12,12,12]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -846,7 +846,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_12_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_12_16_16_16_16_20_20_20_20_24_24_24_24_28_28_28_28
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI36_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,4,4,4,4,8,8,8,8,12,12,12,12]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -859,7 +859,7 @@ define <32 x i8> @shuffle_v32i8_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_15_
 ; AVX1-LABEL: @shuffle_v32i8_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_15_19_19_19_19_23_23_23_23_27_27_27_27_31_31_31_31
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI37_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [3,3,3,3,7,7,7,7,11,11,11,11,15,15,15,15]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -868,7 +868,7 @@ define <32 x i8> @shuffle_v32i8_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_15_
 ; AVX2-LABEL: @shuffle_v32i8_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_15_19_19_19_19_23_23_23_23_27_27_27_27_31_31_31_31
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI37_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [3,3,3,3,7,7,7,7,11,11,11,11,15,15,15,15]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -881,7 +881,7 @@ define <32 x i8> @shuffle_v32i8_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_14_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_14_16_16_18_18_20_20_22_22_24_24_26_26_28_28_30_30
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI38_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -890,7 +890,7 @@ define <32 x i8> @shuffle_v32i8_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_14_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_14_16_16_18_18_20_20_22_22_24_24_26_26_28_28_30_30
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI38_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -903,7 +903,7 @@ define <32 x i8> @shuffle_v32i8_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_15_
 ; AVX1-LABEL: @shuffle_v32i8_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_15_17_17_19_19_21_21_23_23_25_25_27_27_29_29_31_31
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI39_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -912,7 +912,7 @@ define <32 x i8> @shuffle_v32i8_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_15_
 ; AVX2-LABEL: @shuffle_v32i8_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_15_17_17_19_19_21_21_23_23_25_25_27_27_29_29_31_31
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI39_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -1025,10 +1025,10 @@ define <32 x i8> @shuffle_v32i8_32_32_02_02_36_36_06_06_40_40_10_10_44_44_14_14_
 ; AVX1-LABEL: @shuffle_v32i8_32_32_02_02_36_36_06_06_40_40_10_10_44_44_14_14_48_48_18_18_52_52_22_22_56_56_26_26_60_60_30_30
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI46_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [6,6,2,2,2,2,6,6,14,14,10,10,10,10,14,14]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
-; AVX1-NEXT:    vmovdqa .LCPI46_1(%rip), %xmm5
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm5 = [0,0,1,1,4,4,5,5,8,8,9,9,12,12,13,13]
 ; AVX1-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX1-NEXT:    vpblendw {{.*}} # xmm2 = xmm4[0],xmm2[1],xmm4[2],xmm2[3],xmm4[4],xmm2[5],xmm4[6],xmm2[7]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1040,10 +1040,10 @@ define <32 x i8> @shuffle_v32i8_32_32_02_02_36_36_06_06_40_40_10_10_44_44_14_14_
 ; AVX2-LABEL: @shuffle_v32i8_32_32_02_02_36_36_06_06_40_40_10_10_44_44_14_14_48_48_18_18_52_52_22_22_56_56_26_26_60_60_30_30
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI46_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [6,6,2,2,2,2,6,6,14,14,10,10,10,10,14,14]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm4
-; AVX2-NEXT:    vmovdqa .LCPI46_1(%rip), %xmm5
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm5 = [0,0,1,1,4,4,5,5,8,8,9,9,12,12,13,13]
 ; AVX2-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm4[0],xmm2[1],xmm4[2],xmm2[3],xmm4[4],xmm2[5],xmm4[6],xmm2[7]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1081,7 +1081,7 @@ define <32 x i8> @shuffle_v32i8_00_00_32_32_00_00_32_32_00_00_32_32_00_00_32_32_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_32_32_00_00_32_32_00_00_32_32_00_00_32_32_16_16_48_48_16_16_48_48_16_16_48_48_16_16_48_48
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI48_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [0,0,0,0,2,2,0,0,0,0,0,0,6,6,0,0]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
 ; AVX1-NEXT:    vpunpcklbw {{.*}} # xmm4 = xmm4[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -1097,7 +1097,7 @@ define <32 x i8> @shuffle_v32i8_00_00_32_32_00_00_32_32_00_00_32_32_00_00_32_32_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_32_32_00_00_32_32_00_00_32_32_00_00_32_32_16_16_48_48_16_16_48_48_16_16_48_48_16_16_48_48
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI48_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [0,0,0,0,2,2,0,0,0,0,0,0,6,6,0,0]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm4
 ; AVX2-NEXT:    vpunpcklbw {{.*}} # xmm4 = xmm4[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -1117,7 +1117,7 @@ define <32 x i8> @shuffle_v32i8_32_32_32_32_32_32_32_32_08_08_10_10_12_12_14_14_
 ; AVX1-LABEL: @shuffle_v32i8_32_32_32_32_32_32_32_32_08_08_10_10_12_12_14_14_48_48_48_48_48_48_48_48_24_24_26_26_28_28_30_30
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI49_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [8,8,10,10,10,10,11,11,8,8,10,10,12,12,14,14]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
 ; AVX1-NEXT:    vpunpcklbw {{.*}} # xmm4 = xmm4[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -1133,7 +1133,7 @@ define <32 x i8> @shuffle_v32i8_32_32_32_32_32_32_32_32_08_08_10_10_12_12_14_14_
 ; AVX2-LABEL: @shuffle_v32i8_32_32_32_32_32_32_32_32_08_08_10_10_12_12_14_14_48_48_48_48_48_48_48_48_24_24_26_26_28_28_30_30
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI49_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [8,8,10,10,10,10,11,11,8,8,10,10,12,12,14,14]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm4
 ; AVX2-NEXT:    vpunpcklbw {{.*}} # xmm4 = xmm4[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -1153,10 +1153,10 @@ define <32 x i8> @shuffle_v32i8_38_38_36_36_34_34_32_32_14_14_12_12_10_10_08_08_
 ; AVX1-LABEL: @shuffle_v32i8_38_38_36_36_34_34_32_32_14_14_12_12_10_10_08_08_54_54_52_52_50_50_48_48_30_30_28_28_26_26_24_24
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI50_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [8,8,10,10,10,10,11,11,14,14,12,12,10,10,8,8]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
-; AVX1-NEXT:    vmovdqa .LCPI50_1(%rip), %xmm5
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm5 = [6,6,4,4,2,2,0,0,4,4,6,6,6,6,7,7]
 ; AVX1-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX1-NEXT:    vpblendw {{.*}} # xmm2 = xmm4[0,1,2,3],xmm2[4,5,6,7]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1168,10 +1168,10 @@ define <32 x i8> @shuffle_v32i8_38_38_36_36_34_34_32_32_14_14_12_12_10_10_08_08_
 ; AVX2-LABEL: @shuffle_v32i8_38_38_36_36_34_34_32_32_14_14_12_12_10_10_08_08_54_54_52_52_50_50_48_48_30_30_28_28_26_26_24_24
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI50_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [8,8,10,10,10,10,11,11,14,14,12,12,10,10,8,8]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm4
-; AVX2-NEXT:    vmovdqa .LCPI50_1(%rip), %xmm5
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm5 = [6,6,4,4,2,2,0,0,4,4,6,6,6,6,7,7]
 ; AVX2-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX2-NEXT:    vpblendd {{.*}} # xmm2 = xmm4[0,1],xmm2[2,3]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1187,10 +1187,10 @@ define <32 x i8> @shuffle_v32i8_38_38_36_36_34_34_32_32_06_06_04_04_02_02_00_00_
 ; AVX1-LABEL: @shuffle_v32i8_38_38_36_36_34_34_32_32_06_06_04_04_02_02_00_00_54_54_52_52_50_50_48_48_22_22_20_20_18_18_16_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vmovdqa .LCPI51_0(%rip), %xmm3
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm3 = [0,0,2,2,2,2,3,3,6,6,4,4,2,2,0,0]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
-; AVX1-NEXT:    vmovdqa .LCPI51_1(%rip), %xmm5
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm5 = [6,6,4,4,2,2,0,0,4,4,6,6,6,6,7,7]
 ; AVX1-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX1-NEXT:    vpblendw {{.*}} # xmm2 = xmm4[0,1,2,3],xmm2[4,5,6,7]
 ; AVX1-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1202,10 +1202,10 @@ define <32 x i8> @shuffle_v32i8_38_38_36_36_34_34_32_32_06_06_04_04_02_02_00_00_
 ; AVX2-LABEL: @shuffle_v32i8_38_38_36_36_34_34_32_32_06_06_04_04_02_02_00_00_54_54_52_52_50_50_48_48_22_22_20_20_18_18_16_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vmovdqa .LCPI51_0(%rip), %xmm3
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [0,0,2,2,2,2,3,3,6,6,4,4,2,2,0,0]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
 ; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm4
-; AVX2-NEXT:    vmovdqa .LCPI51_1(%rip), %xmm5
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm5 = [6,6,4,4,2,2,0,0,4,4,6,6,6,6,7,7]
 ; AVX2-NEXT:    vpshufb %xmm5, %xmm4, %xmm4
 ; AVX2-NEXT:    vpblendd {{.*}} # xmm2 = xmm4[0,1],xmm2[2,3]
 ; AVX2-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
@@ -1221,7 +1221,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_00_01_00_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_00_01_00_16_16_16_16_16_16_16_16_16_16_16_16_16_16_17_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI52_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -1230,7 +1230,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_00_01_00_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_00_01_00_16_16_16_16_16_16_16_16_16_16_16_16_16_16_17_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI52_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -1243,7 +1243,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_02_00_00_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_02_00_00_16_16_16_16_16_16_16_16_16_16_16_16_16_18_16_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI53_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -1252,7 +1252,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_02_00_00_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_00_00_00_00_00_02_00_00_16_16_16_16_16_16_16_16_16_16_16_16_16_18_16_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI53_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -1265,7 +1265,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_07_00_00_00_00_00_00_00_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_07_00_00_00_00_00_00_00_16_16_16_16_16_16_16_16_23_16_16_16_16_16_16_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI54_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -1274,7 +1274,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_00_07_00_00_00_00_00_00_00_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_00_07_00_00_00_00_00_00_00_16_16_16_16_16_16_16_16_23_16_16_16_16_16_16_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI54_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -1287,7 +1287,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_08_00_00_00_00_00_00_00_00_
 ; AVX1-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_08_00_00_00_00_00_00_00_00_16_16_16_16_16_16_16_24_16_16_16_16_16_16_16_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI55_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -1296,7 +1296,7 @@ define <32 x i8> @shuffle_v32i8_00_00_00_00_00_00_00_08_00_00_00_00_00_00_00_00_
 ; AVX2-LABEL: @shuffle_v32i8_00_00_00_00_00_00_00_08_00_00_00_00_00_00_00_00_16_16_16_16_16_16_16_24_16_16_16_16_16_16_16_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI55_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
@@ -1309,7 +1309,7 @@ define <32 x i8> @shuffle_v32i8_00_14_00_00_00_00_00_00_00_00_00_00_00_00_00_00_
 ; AVX1-LABEL: @shuffle_v32i8_00_14_00_00_00_00_00_00_00_00_00_00_00_00_00_00_16_30_16_16_16_16_16_16_16_16_16_16_16_16_16_16
 ; AVX1:       # BB#0:
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vmovdqa .LCPI56_0(%rip), %xmm2
+; AVX1-NEXT:    vmovdqa {{.*}} # xmm2 = [0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
@@ -1318,7 +1318,7 @@ define <32 x i8> @shuffle_v32i8_00_14_00_00_00_00_00_00_00_00_00_00_00_00_00_00_
 ; AVX2-LABEL: @shuffle_v32i8_00_14_00_00_00_00_00_00_00_00_00_00_00_00_00_00_16_30_16_16_16_16_16_16_16_16_16_16_16_16_16_16
 ; AVX2:       # BB#0:
 ; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa .LCPI56_0(%rip), %xmm2
+; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
index af46e99d2771..daac1224584a 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
@@ -575,7 +575,7 @@ define <8 x i32> @shuffle_v8i32_00000010(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00000010
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI56_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,0,0,0,1,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 0>
@@ -592,7 +592,7 @@ define <8 x i32> @shuffle_v8i32_00000200(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00000200
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI57_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,0,0,2,0,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 2, i32 0, i32 0>
@@ -609,7 +609,7 @@ define <8 x i32> @shuffle_v8i32_00003000(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00003000
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI58_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,0,3,0,0,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 3, i32 0, i32 0, i32 0>
@@ -628,7 +628,7 @@ define <8 x i32> @shuffle_v8i32_00040000(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00040000
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI59_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,4,0,0,0,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 4, i32 0, i32 0, i32 0, i32 0>
@@ -647,7 +647,7 @@ define <8 x i32> @shuffle_v8i32_00500000(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00500000
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI60_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,5,0,0,0,0,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 0, i32 0>
@@ -666,7 +666,7 @@ define <8 x i32> @shuffle_v8i32_06000000(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_06000000
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI61_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,6,0,0,0,0,0,0]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 6, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
@@ -720,7 +720,7 @@ define <8 x i32> @shuffle_v8i32_00112233(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00112233
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI64_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,1,1,2,2,3,3]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, i32 3>
@@ -737,7 +737,7 @@ define <8 x i32> @shuffle_v8i32_00001111(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00001111
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI65_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,0,1,1,1,1]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1>
@@ -888,9 +888,9 @@ define <8 x i32> @shuffle_v8i32_08192a3b(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_08192a3b
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI74_0(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <u,0,u,1,u,2,u,3>
 ; AVX2-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-NEXT:    vmovdqa .LCPI74_1(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <0,u,1,u,2,u,3,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm2, %ymm0
 ; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX2-NEXT:    retq
@@ -911,9 +911,9 @@ define <8 x i32> @shuffle_v8i32_08991abb(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_08991abb
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI75_0(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <0,u,u,u,1,u,u,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-NEXT:    vmovdqa .LCPI75_1(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <u,0,1,1,u,2,3,3>
 ; AVX2-NEXT:    vpermd %ymm1, %ymm2, %ymm1
 ; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7]
 ; AVX2-NEXT:    retq
@@ -934,7 +934,7 @@ define <8 x i32> @shuffle_v8i32_091b2d3f(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_091b2d3f
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI76_0(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <0,u,1,u,2,u,3,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm2, %ymm0
 ; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX2-NEXT:    retq
@@ -954,7 +954,7 @@ define <8 x i32> @shuffle_v8i32_09ab1def(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_09ab1def
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI77_0(%rip), %ymm2
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm2 = <0,u,u,u,1,u,u,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm2, %ymm0
 ; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7]
 ; AVX2-NEXT:    retq
@@ -1152,7 +1152,7 @@ define <8 x i32> @shuffle_v8i32_00015444(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00015444
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI91_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,0,1,5,4,4,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 0, i32 1, i32 5, i32 4, i32 4, i32 4>
@@ -1167,7 +1167,7 @@ define <8 x i32> @shuffle_v8i32_00204644(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00204644
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI92_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,2,0,4,6,4,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 2, i32 0, i32 4, i32 6, i32 4, i32 4>
@@ -1182,7 +1182,7 @@ define <8 x i32> @shuffle_v8i32_03004474(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_03004474
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI93_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,3,0,0,4,4,7,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 3, i32 0, i32 0, i32 4, i32 4, i32 7, i32 4>
@@ -1197,7 +1197,7 @@ define <8 x i32> @shuffle_v8i32_10004444(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_10004444
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI94_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [1,0,0,0,4,4,4,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 1, i32 0, i32 0, i32 0, i32 4, i32 4, i32 4, i32 4>
@@ -1212,7 +1212,7 @@ define <8 x i32> @shuffle_v8i32_22006446(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_22006446
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI95_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [2,2,0,0,6,4,4,6]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 2, i32 2, i32 0, i32 0, i32 6, i32 4, i32 4, i32 6>
@@ -1227,7 +1227,7 @@ define <8 x i32> @shuffle_v8i32_33307474(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_33307474
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI96_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [3,3,3,0,7,4,7,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 3, i32 3, i32 3, i32 0, i32 7, i32 4, i32 7, i32 4>
@@ -1242,7 +1242,7 @@ define <8 x i32> @shuffle_v8i32_32104567(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_32104567
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI97_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [3,2,1,0,4,5,6,7]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 4, i32 5, i32 6, i32 7>
@@ -1257,7 +1257,7 @@ define <8 x i32> @shuffle_v8i32_00236744(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00236744
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI98_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,2,3,6,7,4,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 2, i32 3, i32 6, i32 7, i32 4, i32 4>
@@ -1272,7 +1272,7 @@ define <8 x i32> @shuffle_v8i32_00226644(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00226644
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI99_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,0,2,2,6,6,4,4]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 6, i32 6, i32 4, i32 4>
@@ -1287,7 +1287,7 @@ define <8 x i32> @shuffle_v8i32_10324567(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_10324567
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI100_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [1,0,3,2,4,5,6,7]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 4, i32 5, i32 6, i32 7>
@@ -1302,7 +1302,7 @@ define <8 x i32> @shuffle_v8i32_11334567(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_11334567
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI101_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [1,1,3,3,4,5,6,7]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 4, i32 5, i32 6, i32 7>
@@ -1317,7 +1317,7 @@ define <8 x i32> @shuffle_v8i32_01235467(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_01235467
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI102_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,1,2,3,5,4,6,7]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 5, i32 4, i32 6, i32 7>
@@ -1332,7 +1332,7 @@ define <8 x i32> @shuffle_v8i32_01235466(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_01235466
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI103_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = [0,1,2,3,5,4,6,6]
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 5, i32 4, i32 6, i32 6>
@@ -1347,7 +1347,7 @@ define <8 x i32> @shuffle_v8i32_002u6u44(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_002u6u44
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI104_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <0,0,2,u,6,u,4,4>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 2, i32 undef, i32 6, i32 undef, i32 4, i32 4>
@@ -1362,7 +1362,7 @@ define <8 x i32> @shuffle_v8i32_00uu66uu(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_00uu66uu
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI105_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <0,0,u,u,6,6,u,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 0, i32 undef, i32 undef, i32 6, i32 6, i32 undef, i32 undef>
@@ -1377,7 +1377,7 @@ define <8 x i32> @shuffle_v8i32_103245uu(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_103245uu
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI106_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <1,0,3,2,4,5,u,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 4, i32 5, i32 undef, i32 undef>
@@ -1392,7 +1392,7 @@ define <8 x i32> @shuffle_v8i32_1133uu67(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_1133uu67
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI107_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <1,1,3,3,u,u,6,7>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 undef, i32 undef, i32 6, i32 7>
@@ -1407,7 +1407,7 @@ define <8 x i32> @shuffle_v8i32_0uu354uu(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_0uu354uu
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI108_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <0,u,u,3,5,4,u,u>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 0, i32 undef, i32 undef, i32 3, i32 5, i32 4, i32 undef, i32 undef>
@@ -1422,7 +1422,7 @@ define <8 x i32> @shuffle_v8i32_uuu3uu66(<8 x i32> %a, <8 x i32> %b) {
 ;
 ; AVX2-LABEL: @shuffle_v8i32_uuu3uu66
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vmovdqa .LCPI109_0(%rip), %ymm1
+; AVX2-NEXT:    vmovdqa {{.*}} # ymm1 = <u,u,u,3,u,u,6,6>
 ; AVX2-NEXT:    vpermd %ymm0, %ymm1, %ymm0
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 3, i32 undef, i32 undef, i32 6, i32 6>