Delete some dead code.

Found by gcc 6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273303 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index eca988499cd92006f2f8245fa1a089f50537a8ae..8b83e10ee7633bc60ff9e4b331f34c053ede7728 100644 (file)
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -219,7 +219,6 @@ namespace {
     void report_context(const VNInfo &VNI) const;
     void report_context(SlotIndex Pos) const;
     void report_context_liverange(const LiveRange &LR) const;
-    void report_context_regunit(unsigned RegUnit) const;
     void report_context_lanemask(LaneBitmask LaneMask) const;
     void report_context_vreg(unsigned VReg) const;
     void report_context_vreg_regunit(unsigned VRegOrRegUnit) const;
@@ -495,10 +494,6 @@ void MachineVerifier::report_context_liverange(const LiveRange &LR) const {
   errs() << "- liverange:   " << LR << '\n';
 }
 
-void MachineVerifier::report_context_regunit(unsigned RegUnit) const {
-  errs() << "- regunit:     " << PrintRegUnit(RegUnit, TRI) << '\n';
-}
-
 void MachineVerifier::report_context_vreg(unsigned VReg) const {
   errs() << "- v. register: " << PrintReg(VReg, TRI) << '\n';
 }

diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 4f1b3707e097290456d30b69427817db0076c46b..dc21b48ca6f65272539433f10c290b2fadbfdb6f 100644 (file)
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -70,7 +70,6 @@ public:
 };
 
 class ELFObjectWriter : public MCObjectWriter {
-  static bool isFixupKindPCRel(const MCAssembler &Asm, unsigned Kind);
   static uint64_t SymbolValue(const MCSymbol &Sym, const MCAsmLayout &Layout);
   static bool isInSymtab(const MCAsmLayout &Layout, const MCSymbolELF &Symbol,
                          bool Used, bool Renamed);
@@ -298,13 +297,6 @@ void SymbolTableWriter::writeSymbol(uint32_t name, uint8_t info, uint64_t value,
   ++NumWritten;
 }
 
-bool ELFObjectWriter::isFixupKindPCRel(const MCAssembler &Asm, unsigned Kind) {
-  const MCFixupKindInfo &FKI =
-    Asm.getBackend().getFixupKindInfo((MCFixupKind) Kind);
-
-  return FKI.Flags & MCFixupKindInfo::FKF_IsPCRel;
-}
-
 ELFObjectWriter::~ELFObjectWriter()
 {}
 

diff --git a/lib/MC/WinCOFFObjectWriter.cpp b/lib/MC/WinCOFFObjectWriter.cpp
index ac4a5bdcd500024dc4dcb0e1caec8c9913049f9f..5a44099138fb2b306519da2602d82d388d6ea658 100644 (file)
--- a/lib/MC/WinCOFFObjectWriter.cpp
+++ b/lib/MC/WinCOFFObjectWriter.cpp
@@ -109,7 +109,6 @@ public:
   relocations Relocations;
 
   COFFSection(StringRef name);
-  static size_t size();
 };
 
 class WinCOFFObjectWriter : public MCObjectWriter {
@@ -224,8 +223,6 @@ COFFSection::COFFSection(StringRef name)
   memset(&Header, 0, sizeof(Header));
 }
 
-size_t COFFSection::size() { return COFF::SectionSize; }
-
 //------------------------------------------------------------------------------
 // WinCOFFObjectWriter class implementation
 

diff --git a/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp b/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
index 684f6ad797353c8f92a65c43ca3584f52dfa9a68..a4a4f6f7cdcf1543c23747d3448c22e56af39ddf 100644 (file)
--- a/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
+++ b/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
@@ -85,7 +85,6 @@ private:
   static bool isFlatStore(const MemSDNode *N);
   static bool isPrivateStore(const StoreSDNode *N);
   static bool isLocalStore(const StoreSDNode *N);
-  static bool isRegionStore(const StoreSDNode *N);
 
   bool isCPLoad(const LoadSDNode *N) const;
   bool isConstantLoad(const MemSDNode *N, int cbID) const;
@@ -599,10 +598,6 @@ bool AMDGPUDAGToDAGISel::isFlatStore(const MemSDNode *N) {
   return checkType(N->getMemOperand()->getValue(), AMDGPUAS::FLAT_ADDRESS);
 }
 
-bool AMDGPUDAGToDAGISel::isRegionStore(const StoreSDNode *N) {
-  return checkType(N->getMemOperand()->getValue(), AMDGPUAS::REGION_ADDRESS);
-}
-
 bool AMDGPUDAGToDAGISel::isConstantLoad(const MemSDNode *N, int CbId) const {
   if (!N->readMem())
     return false;

diff --git a/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
index 752f0cd2c39db4eb012d2a44fd80f2570b080c88..8541e6d5106b3832efda9f901b5bd68a90b8edb3 100644 (file)
--- a/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ b/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -694,7 +694,6 @@ public:
   void cvtMubuf(MCInst &Inst, const OperandVector &Operands) { cvtMubufImpl(Inst, Operands, false, false); }
   void cvtMubufAtomic(MCInst &Inst, const OperandVector &Operands) { cvtMubufImpl(Inst, Operands, true, false); }
   void cvtMubufAtomicReturn(MCInst &Inst, const OperandVector &Operands) { cvtMubufImpl(Inst, Operands, true, true); }
-  AMDGPUOperand::Ptr defaultMubufOffset() const;
   AMDGPUOperand::Ptr defaultGLC() const;
   AMDGPUOperand::Ptr defaultSLC() const;
   AMDGPUOperand::Ptr defaultTFE() const;
@@ -2136,10 +2135,6 @@ bool AMDGPUOperand::isMubufOffset() const {
   return isImmTy(ImmTyOffset) && isUInt<12>(getImm());
 }
 
-AMDGPUOperand::Ptr AMDGPUAsmParser::defaultMubufOffset() const {
-  return AMDGPUOperand::CreateImm(0, SMLoc(), AMDGPUOperand::ImmTyOffset);
-}
-
 AMDGPUOperand::Ptr AMDGPUAsmParser::defaultGLC() const {
   return AMDGPUOperand::CreateImm(0, SMLoc(), AMDGPUOperand::ImmTyGLC);
 }

diff --git a/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp b/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
index ce9b3c04136f465193199a465fd1132268980cb0..ec92265c03eeeff177e8b008806af70ae7616f25 100644 (file)
--- a/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
+++ b/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
@@ -69,10 +69,6 @@ private:
   MachineBasicBlock::iterator findMatchingDSInst(MachineBasicBlock::iterator I,
                                                  unsigned EltSize);
 
-  void updateRegDefsUses(unsigned SrcReg,
-                         unsigned DstReg,
-                         unsigned SubIdx);
-
   MachineBasicBlock::iterator mergeRead2Pair(
     MachineBasicBlock::iterator I,
     MachineBasicBlock::iterator Paired,
@@ -193,17 +189,6 @@ SILoadStoreOptimizer::findMatchingDSInst(MachineBasicBlock::iterator I,
   return E;
 }
 
-void SILoadStoreOptimizer::updateRegDefsUses(unsigned SrcReg,
-                                             unsigned DstReg,
-                                             unsigned SubIdx) {
-  for (MachineRegisterInfo::reg_iterator I = MRI->reg_begin(SrcReg),
-         E = MRI->reg_end(); I != E; ) {
-    MachineOperand &O = *I;
-    ++I;
-    O.substVirtReg(DstReg, SubIdx, *TRI);
-  }
-}
-
 MachineBasicBlock::iterator  SILoadStoreOptimizer::mergeRead2Pair(
   MachineBasicBlock::iterator I,
   MachineBasicBlock::iterator Paired,

diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index d2e84c5275999f32d446f0b67aee804860c75685..f6c2e5bb247cb9d1adc4ae64b4ee1671e5fa619e 100644 (file)
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -246,9 +246,6 @@ class MipsAsmParser : public MCTargetAsmParser {
   bool expandAbs(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
                  const MCSubtargetInfo *STI);
 
-  void createCpRestoreMemOp(bool IsLoad, int StackOffset, SMLoc IDLoc,
-                            MCStreamer &Out, const MCSubtargetInfo *STI);
-
   bool reportParseError(Twine ErrorMsg);
   bool reportParseError(SMLoc Loc, Twine ErrorMsg);
 
@@ -323,8 +320,6 @@ class MipsAsmParser : public MCTargetAsmParser {
 
   unsigned getReg(int RC, int RegNo);
 
-  unsigned getGPR(int RegNo);
-
   /// Returns the internal register number for the current AT. Also checks if
   /// the current AT is unavailable (set to $0) and gives an error if it is.
   /// This should be used in pseudo-instruction expansions which need AT.
@@ -3699,21 +3694,6 @@ bool MipsAsmParser::expandAbs(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
   return false;
 }
 
-void MipsAsmParser::createCpRestoreMemOp(bool IsLoad, int StackOffset,
-                                         SMLoc IDLoc, MCStreamer &Out,
-                                         const MCSubtargetInfo *STI) {
-  MipsTargetStreamer &TOut = getTargetStreamer();
-
-  if (IsLoad) {
-    TOut.emitLoadWithImmOffset(Mips::LW, Mips::GP, Mips::SP, StackOffset,
-                               Mips::GP, IDLoc, STI);
-    return;
-  }
-
-  TOut.emitStoreWithImmOffset(Mips::SW, Mips::GP, Mips::SP, StackOffset,
-                              [&]() { return getATReg(IDLoc); }, IDLoc, STI);
-}
-
 unsigned MipsAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
   switch (Inst.getOpcode()) {
   // As described by the Mips32r2 spec, the registers Rd and Rs for
@@ -4142,11 +4122,6 @@ unsigned MipsAsmParser::getReg(int RC, int RegNo) {
   return *(getContext().getRegisterInfo()->getRegClass(RC).begin() + RegNo);
 }
 
-unsigned MipsAsmParser::getGPR(int RegNo) {
-  return getReg(isGP64bit() ? Mips::GPR64RegClassID : Mips::GPR32RegClassID,
-                RegNo);
-}
-
 int MipsAsmParser::matchRegisterByNumber(unsigned RegNum, unsigned RegClass) {
   if (RegNum >
       getContext().getRegisterInfo()->getRegClass(RegClass).getNumRegs() - 1)

diff --git a/lib/Target/PowerPC/PPCFastISel.cpp b/lib/Target/PowerPC/PPCFastISel.cpp
index cccc75faf26695bf680a71e230ea01aa4a1b13ff..842d68bf1c93cca57d47c10cf536effe867a6749 100644 (file)
--- a/lib/Target/PowerPC/PPCFastISel.cpp
+++ b/lib/Target/PowerPC/PPCFastISel.cpp
@@ -186,7 +186,6 @@ class PPCFastISel final : public FastISel {
                          unsigned &NumBytes,
                          bool IsVarArg);
     bool finishCall(MVT RetVT, CallLoweringInfo &CLI, unsigned &NumBytes);
-    CCAssignFn *usePPC32CCs(unsigned Flag);
 
   private:
   #include "PPCGenFastISel.inc"
@@ -197,19 +196,6 @@ class PPCFastISel final : public FastISel {
 
 #include "PPCGenCallingConv.inc"
 
-// Function whose sole purpose is to kill compiler warnings 
-// stemming from unused functions included from PPCGenCallingConv.inc.
-CCAssignFn *PPCFastISel::usePPC32CCs(unsigned Flag) {
-  if (Flag == 1)
-    return CC_PPC32_SVR4;
-  else if (Flag == 2)
-    return CC_PPC32_SVR4_ByVal;
-  else if (Flag == 3)
-    return CC_PPC32_SVR4_VarArg;
-  else
-    return RetCC_PPC;
-}
-
 static Optional<PPC::Predicate> getComparePred(CmpInst::Predicate Pred) {
   switch (Pred) {
     // These are not representable with any single compare.

diff --git a/lib/Transforms/Scalar/LoopInterchange.cpp b/lib/Transforms/Scalar/LoopInterchange.cpp
index 698b20a9a02d04a144c931322648086f6dde83e5..6e74a733d11f42e9eb236f2200de28e1a057300c 100644 (file)
--- a/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -408,7 +408,6 @@ private:
   bool adjustLoopLinks();
   void adjustLoopPreheaders();
   void adjustOuterLoopPreheader();
-  void adjustInnerLoopPreheader();
   bool adjustLoopBranches();
   void updateIncomingBlock(BasicBlock *CurrBlock, BasicBlock *OldPred,
                            BasicBlock *NewPred);
@@ -1133,13 +1132,6 @@ void LoopInterchangeTransform::adjustOuterLoopPreheader() {
   moveBBContents(OuterLoopPreHeader, InnerPreHeader->getTerminator());
 }
 
-void LoopInterchangeTransform::adjustInnerLoopPreheader() {
-  BasicBlock *InnerLoopPreHeader = InnerLoop->getLoopPreheader();
-  BasicBlock *OuterHeader = OuterLoop->getHeader();
-
-  moveBBContents(InnerLoopPreHeader, OuterHeader->getTerminator());
-}
-
 void LoopInterchangeTransform::updateIncomingBlock(BasicBlock *CurrBlock,
                                                    BasicBlock *OldPred,
                                                    BasicBlock *NewPred) {

diff --git a/tools/llvm-readobj/COFFDumper.cpp b/tools/llvm-readobj/COFFDumper.cpp
index 0202e0316ee86eab6899d84f3a8dd80df6683e6f..348f5b43556438aa4ee6f06d495b2de1852abce8 100644 (file)
--- a/tools/llvm-readobj/COFFDumper.cpp
+++ b/tools/llvm-readobj/COFFDumper.cpp
@@ -113,10 +113,6 @@ private:
                            uint32_t RelocOffset, uint32_t Offset,
                            StringRef *RelocSym = nullptr);
 
-  void printRelocatedField(StringRef Label, const coff_section *Sec,
-                           StringRef SectionContents, const ulittle32_t *Field,
-                           StringRef *RelocSym = nullptr);
-
   void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
                                   StringRef SectionContents, StringRef Block);
 
@@ -264,18 +260,6 @@ void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
     W.printHex(Label, RelocOffset);
 }
 
-void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
-                                     StringRef SectionContents,
-                                     const ulittle32_t *Field,
-                                     StringRef *RelocSym) {
-  StringRef SymStorage;
-  StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
-  if (!resolveSymbolName(Sec, SectionContents, Field, Symbol))
-    W.printSymbolOffset(Label, Symbol, *Field);
-  else
-    W.printHex(Label, *Field);
-}
-
 void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
                                             const SectionRef &Sec,
                                             StringRef SectionContents,