diff --git a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
index d95fc8cfbcf55..a273799544652 100644
--- a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
@@ -7717,9 +7717,9 @@ bool CombinerHelper::matchShuffleUndefRHS(MachineInstr &MI,
   if (!Changed)
     return false;
 
-  MatchInfo = [&, NewMask](MachineIRBuilder &B) {
+  MatchInfo = [&, NewMask = std::move(NewMask)](MachineIRBuilder &B) {
     B.buildShuffleVector(MI.getOperand(0), MI.getOperand(1), MI.getOperand(2),
-                         NewMask);
+                         std::move(NewMask));
   };
 
   return true;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 182529123ec6d..2e355fa895a87 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6823,7 +6823,7 @@ SDValue SelectionDAG::FoldConstantArithmetic(unsigned Opcode, const SDLoc &DL,
             ScalarOps.push_back(getUNDEF(OpVT));
             continue;
           }
-          APInt Val = cast<ConstantSDNode>(Op)->getAPIntValue();
+          const APInt &Val = cast<ConstantSDNode>(Op)->getAPIntValue();
           ScalarOps.push_back(SignExtendInReg(Val, OpVT));
         }
         return getBuildVector(VT, DL, ScalarOps);
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index 3ce45f7d5d67e..d15a9a8a36c5a 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -6287,7 +6287,7 @@ bool AsmParser::parseMSInlineAsm(
   if (AsmStart != AsmEnd)
     OS << StringRef(AsmStart, AsmEnd - AsmStart);
 
-  AsmString = AsmStringIR;
+  AsmString = std::move(AsmStringIR);
   return false;
 }
 
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index df1b160f9df28..5703cfd03fceb 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -463,7 +463,7 @@ void MCStreamer::emitCFIStartProc(bool IsSimple, SMLoc Loc) {
   }
 
   FrameInfoStack.emplace_back(DwarfFrameInfos.size(), getCurrentSectionOnly());
-  DwarfFrameInfos.push_back(Frame);
+  DwarfFrameInfos.push_back(std::move(Frame));
 }
 
 void MCStreamer::emitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
@@ -510,7 +510,7 @@ void MCStreamer::emitCFIDefCfa(int64_t Register, int64_t Offset, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
   CurFrame->CurrentCfaRegister = static_cast<unsigned>(Register);
 }
 
@@ -521,7 +521,7 @@ void MCStreamer::emitCFIDefCfaOffset(int64_t Offset, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIAdjustCfaOffset(int64_t Adjustment, SMLoc Loc) {
@@ -531,7 +531,7 @@ void MCStreamer::emitCFIAdjustCfaOffset(int64_t Adjustment, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIDefCfaRegister(int64_t Register, SMLoc Loc) {
@@ -541,7 +541,7 @@ void MCStreamer::emitCFIDefCfaRegister(int64_t Register, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
   CurFrame->CurrentCfaRegister = static_cast<unsigned>(Register);
 }
 
@@ -553,7 +553,7 @@ void MCStreamer::emitCFILLVMDefAspaceCfa(int64_t Register, int64_t Offset,
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
   CurFrame->CurrentCfaRegister = static_cast<unsigned>(Register);
 }
 
@@ -564,7 +564,7 @@ void MCStreamer::emitCFIOffset(int64_t Register, int64_t Offset, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIRelOffset(int64_t Register, int64_t Offset, SMLoc Loc) {
@@ -574,7 +574,7 @@ void MCStreamer::emitCFIRelOffset(int64_t Register, int64_t Offset, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIPersonality(const MCSymbol *Sym,
@@ -601,7 +601,7 @@ void MCStreamer::emitCFIRememberState(SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIRestoreState(SMLoc Loc) {
@@ -612,7 +612,7 @@ void MCStreamer::emitCFIRestoreState(SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFISameValue(int64_t Register, SMLoc Loc) {
@@ -622,7 +622,7 @@ void MCStreamer::emitCFISameValue(int64_t Register, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIRestore(int64_t Register, SMLoc Loc) {
@@ -632,7 +632,7 @@ void MCStreamer::emitCFIRestore(int64_t Register, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIEscape(StringRef Values, SMLoc Loc) {
@@ -642,7 +642,7 @@ void MCStreamer::emitCFIEscape(StringRef Values, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIGnuArgsSize(int64_t Size, SMLoc Loc) {
@@ -652,7 +652,7 @@ void MCStreamer::emitCFIGnuArgsSize(int64_t Size, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFISignalFrame() {
@@ -669,7 +669,7 @@ void MCStreamer::emitCFIUndefined(int64_t Register, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIRegister(int64_t Register1, int64_t Register2,
@@ -680,7 +680,7 @@ void MCStreamer::emitCFIRegister(int64_t Register1, int64_t Register2,
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIWindowSave(SMLoc Loc) {
@@ -689,7 +689,7 @@ void MCStreamer::emitCFIWindowSave(SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFINegateRAState(SMLoc Loc) {
@@ -699,7 +699,7 @@ void MCStreamer::emitCFINegateRAState(SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFINegateRAStateWithPC(SMLoc Loc) {
@@ -709,7 +709,7 @@ void MCStreamer::emitCFINegateRAStateWithPC(SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 void MCStreamer::emitCFIReturnColumn(int64_t Register) {
@@ -733,7 +733,7 @@ void MCStreamer::emitCFIValOffset(int64_t Register, int64_t Offset, SMLoc Loc) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
     return;
-  CurFrame->Instructions.push_back(Instruction);
+  CurFrame->Instructions.push_back(std::move(Instruction));
 }
 
 WinEH::FrameInfo *MCStreamer::EnsureValidWinFrameInfo(SMLoc Loc) {
diff --git a/llvm/lib/Target/X86/X86TileConfig.cpp b/llvm/lib/Target/X86/X86TileConfig.cpp
index 75f002f418ba6..c054b26727855 100644
--- a/llvm/lib/Target/X86/X86TileConfig.cpp
+++ b/llvm/lib/Target/X86/X86TileConfig.cpp
@@ -103,7 +103,7 @@ static void collectVirtRegShapes(MachineRegisterInfo *MRI, VirtRegMap &VRM,
     unsigned Index = PhysReg - X86::TMM0;
     if (!Phys2Shapes[Index].isValid()) {
       ShapeT Shape = VRM.getShape(VirtReg);
-      Phys2Shapes[Index] = Shape;
+      Phys2Shapes[Index] = std::move(Shape);
       return;
     }
   }
@@ -118,12 +118,12 @@ static void collectVirtRegShapes(MachineRegisterInfo *MRI, VirtRegMap &VRM,
 
     if (!Phys2Shapes[Index0].isValid()) {
       ShapeT Shape0(Shape.getRow(0), Shape.getCol(0), MRI);
-      Phys2Shapes[Index0] = Shape0;
+      Phys2Shapes[Index0] = std::move(Shape0);
     }
 
     if (!Phys2Shapes[Index1].isValid()) {
       ShapeT Shape1(Shape.getRow(1), Shape.getCol(1), MRI);
-      Phys2Shapes[Index1] = Shape1;
+      Phys2Shapes[Index1] = std::move(Shape1);
     }
   }
 }