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Add const qualifiers to CodeGen's use of LLVM IR constructs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-04-15 01:51:59 +00:00
parent cff6f85454
commit 46510a73e9
64 changed files with 577 additions and 557 deletions
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38
include/llvm/CodeGen/FastISel.h
View File

@@ -87,28 +87,28 @@ public:
/// LLVM IR instruction, and append generated machine instructions to
/// the current block. Return true if selection was successful.
///
bool SelectInstruction(Instruction *I);
bool SelectInstruction(const Instruction *I);
/// SelectOperator - Do "fast" instruction selection for the given
/// LLVM IR operator (Instruction or ConstantExpr), and append
/// generated machine instructions to the current block. Return true
/// if selection was successful.
///
bool SelectOperator(User *I, unsigned Opcode);
bool SelectOperator(const User *I, unsigned Opcode);
/// getRegForValue - Create a virtual register and arrange for it to
/// be assigned the value for the given LLVM value.
unsigned getRegForValue(Value *V);
unsigned getRegForValue(const Value *V);
/// lookUpRegForValue - Look up the value to see if its value is already
/// cached in a register. It may be defined by instructions across blocks or
/// defined locally.
unsigned lookUpRegForValue(Value *V);
unsigned lookUpRegForValue(const Value *V);
/// getRegForGEPIndex - This is a wrapper around getRegForValue that also
/// takes care of truncating or sign-extending the given getelementptr
/// index value.
unsigned getRegForGEPIndex(Value *V);
unsigned getRegForGEPIndex(const Value *V);
virtual ~FastISel();
@@ -128,7 +128,7 @@ protected:
/// fit into FastISel's framework. It returns true if it was successful.
///
virtual bool
TargetSelectInstruction(Instruction *I) = 0;
TargetSelectInstruction(const Instruction *I) = 0;
/// FastEmit_r - This method is called by target-independent code
/// to request that an instruction with the given type and opcode
@@ -170,7 +170,7 @@ protected:
virtual unsigned FastEmit_rf(MVT VT,
MVT RetVT,
unsigned Opcode,
unsigned Op0, ConstantFP *FPImm);
unsigned Op0, const ConstantFP *FPImm);
/// FastEmit_rri - This method is called by target-independent code
/// to request that an instruction with the given type, opcode, and
@@ -196,7 +196,7 @@ protected:
/// FastEmit_rr instead.
unsigned FastEmit_rf_(MVT VT,
unsigned Opcode,
unsigned Op0, ConstantFP *FPImm,
unsigned Op0, const ConstantFP *FPImm,
MVT ImmType);
/// FastEmit_i - This method is called by target-independent code
@@ -213,7 +213,7 @@ protected:
virtual unsigned FastEmit_f(MVT VT,
MVT RetVT,
unsigned Opcode,
ConstantFP *FPImm);
const ConstantFP *FPImm);
/// FastEmitInst_ - Emit a MachineInstr with no operands and a
/// result register in the given register class.
@@ -247,7 +247,7 @@ protected:
///
unsigned FastEmitInst_rf(unsigned MachineInstOpcode,
const TargetRegisterClass *RC,
unsigned Op0, ConstantFP *FPImm);
unsigned Op0, const ConstantFP *FPImm);
/// FastEmitInst_rri - Emit a MachineInstr with two register operands,
/// an immediate, and a result register in the given register class.
@@ -277,34 +277,34 @@ protected:
/// the CFG.
void FastEmitBranch(MachineBasicBlock *MBB);
unsigned UpdateValueMap(Value* I, unsigned Reg);
unsigned UpdateValueMap(const Value* I, unsigned Reg);
unsigned createResultReg(const TargetRegisterClass *RC);
/// TargetMaterializeConstant - Emit a constant in a register using
/// target-specific logic, such as constant pool loads.
virtual unsigned TargetMaterializeConstant(Constant* C) {
virtual unsigned TargetMaterializeConstant(const Constant* C) {
return 0;
}
/// TargetMaterializeAlloca - Emit an alloca address in a register using
/// target-specific logic.
virtual unsigned TargetMaterializeAlloca(AllocaInst* C) {
virtual unsigned TargetMaterializeAlloca(const AllocaInst* C) {
return 0;
}
private:
bool SelectBinaryOp(User *I, unsigned ISDOpcode);
bool SelectBinaryOp(const User *I, unsigned ISDOpcode);
bool SelectFNeg(User *I);
bool SelectFNeg(const User *I);
bool SelectGetElementPtr(User *I);
bool SelectGetElementPtr(const User *I);
bool SelectCall(User *I);
bool SelectCall(const User *I);
bool SelectBitCast(User *I);
bool SelectBitCast(const User *I);
bool SelectCast(User *I, unsigned Opcode);
bool SelectCast(const User *I, unsigned Opcode);
};
}

6
include/llvm/CodeGen/GCMetadata.h
View File

@@ -68,9 +68,9 @@ namespace llvm {
struct GCRoot {
int Num; //< Usually a frame index.
int StackOffset; //< Offset from the stack pointer.
Constant *Metadata; //< Metadata straight from the call to llvm.gcroot.
const Constant *Metadata;//< Metadata straight from the call to llvm.gcroot.
GCRoot(int N, Constant *MD) : Num(N), StackOffset(-1), Metadata(MD) {}
GCRoot(int N, const Constant *MD) : Num(N), StackOffset(-1), Metadata(MD) {}
};
@@ -114,7 +114,7 @@ namespace llvm {
/// addStackRoot - Registers a root that lives on the stack. Num is the
/// stack object ID for the alloca (if the code generator is
// using MachineFrameInfo).
void addStackRoot(int Num, Constant *Metadata) {
void addStackRoot(int Num, const Constant *Metadata) {
Roots.push_back(GCRoot(Num, Metadata));
}

6
include/llvm/CodeGen/MachineConstantPool.h
View File

@@ -74,7 +74,7 @@ class MachineConstantPoolEntry {
public:
/// The constant itself.
union {
Constant *ConstVal;
const Constant *ConstVal;
MachineConstantPoolValue *MachineCPVal;
} Val;
@@ -82,7 +82,7 @@ public:
/// a MachineConstantPoolValue.
unsigned Alignment;
MachineConstantPoolEntry(Constant *V, unsigned A)
MachineConstantPoolEntry(const Constant *V, unsigned A)
: Alignment(A) {
Val.ConstVal = V;
}
@@ -143,7 +143,7 @@ public:
/// getConstantPoolIndex - Create a new entry in the constant pool or return
/// an existing one. User must specify the minimum required alignment for
/// the object.
unsigned getConstantPoolIndex(Constant *C, unsigned Alignment);
unsigned getConstantPoolIndex(const Constant *C, unsigned Alignment);
unsigned getConstantPoolIndex(MachineConstantPoolValue *V,unsigned Alignment);
/// isEmpty - Return true if this constant pool contains no constants.

2
include/llvm/CodeGen/MachineInstrBuilder.h
View File

@@ -104,7 +104,7 @@ public:
return *this;
}
const MachineInstrBuilder &addGlobalAddress(GlobalValue *GV,
const MachineInstrBuilder &addGlobalAddress(const GlobalValue *GV,
int64_t Offset = 0,
unsigned char TargetFlags = 0) const {
MI->addOperand(MachineOperand::CreateGA(GV, Offset, TargetFlags));

29
include/llvm/CodeGen/MachineModuleInfo.h
View File

@@ -82,7 +82,7 @@ struct LandingPadInfo {
SmallVector<MCSymbol*, 1> BeginLabels; // Labels prior to invoke.
SmallVector<MCSymbol*, 1> EndLabels; // Labels after invoke.
MCSymbol *LandingPadLabel; // Label at beginning of landing pad.
Function *Personality; // Personality function.
const Function *Personality; // Personality function.
std::vector<int> TypeIds; // List of type ids (filters negative)
explicit LandingPadInfo(MachineBasicBlock *MBB)
@@ -101,7 +101,7 @@ class MachineModuleInfo : public ImmutablePass {
MCContext Context;
/// TheModule - This is the LLVM Module being worked on.
Module *TheModule;
const Module *TheModule;
/// ObjFileMMI - This is the object-file-format-specific implementation of
/// MachineModuleInfoImpl, which lets targets accumulate whatever info they
@@ -125,7 +125,7 @@ class MachineModuleInfo : public ImmutablePass {
// TypeInfos - List of C++ TypeInfo used in the current function.
//
std::vector<GlobalVariable *> TypeInfos;
std::vector<const GlobalVariable *> TypeInfos;
// FilterIds - List of typeids encoding filters used in the current function.
//
@@ -138,7 +138,7 @@ class MachineModuleInfo : public ImmutablePass {
// Personalities - Vector of all personality functions ever seen. Used to emit
// common EH frames.
std::vector<Function *> Personalities;
std::vector<const Function *> Personalities;
/// UsedFunctions - The functions in the @llvm.used list in a more easily
/// searchable format. This does not include the functions in
@@ -179,8 +179,8 @@ public:
const MCContext &getContext() const { return Context; }
MCContext &getContext() { return Context; }
void setModule(Module *M) { TheModule = M; }
Module *getModule() const { return TheModule; }
void setModule(const Module *M) { TheModule = M; }
const Module *getModule() const { return TheModule; }
/// getInfo - Keep track of various per-function pieces of information for
/// backends that would like to do so.
@@ -199,7 +199,7 @@ public:
/// AnalyzeModule - Scan the module for global debug information.
///
void AnalyzeModule(Module &M);
void AnalyzeModule(const Module &M);
/// hasDebugInfo - Returns true if valid debug info is present.
///
@@ -252,14 +252,15 @@ public:
/// addPersonality - Provide the personality function for the exception
/// information.
void addPersonality(MachineBasicBlock *LandingPad, Function *Personality);
void addPersonality(MachineBasicBlock *LandingPad,
const Function *Personality);
/// getPersonalityIndex - Get index of the current personality function inside
/// Personalitites array
unsigned getPersonalityIndex() const;
/// getPersonalities - Return array of personality functions ever seen.
const std::vector<Function *>& getPersonalities() const {
const std::vector<const Function *>& getPersonalities() const {
return Personalities;
}
@@ -273,12 +274,12 @@ public:
/// addCatchTypeInfo - Provide the catch typeinfo for a landing pad.
///
void addCatchTypeInfo(MachineBasicBlock *LandingPad,
std::vector<GlobalVariable *> &TyInfo);
std::vector<const GlobalVariable *> &TyInfo);
/// addFilterTypeInfo - Provide the filter typeinfo for a landing pad.
///
void addFilterTypeInfo(MachineBasicBlock *LandingPad,
std::vector<GlobalVariable *> &TyInfo);
std::vector<const GlobalVariable *> &TyInfo);
/// addCleanup - Add a cleanup action for a landing pad.
///
@@ -286,7 +287,7 @@ public:
/// getTypeIDFor - Return the type id for the specified typeinfo. This is
/// function wide.
unsigned getTypeIDFor(GlobalVariable *TI);
unsigned getTypeIDFor(const GlobalVariable *TI);
/// getFilterIDFor - Return the id of the filter encoded by TyIds. This is
/// function wide.
@@ -323,7 +324,7 @@ public:
/// getTypeInfos - Return a reference to the C++ typeinfo for the current
/// function.
const std::vector<GlobalVariable *> &getTypeInfos() const {
const std::vector<const GlobalVariable *> &getTypeInfos() const {
return TypeInfos;
}
@@ -335,7 +336,7 @@ public:
/// getPersonality - Return a personality function if available. The presence
/// of one is required to emit exception handling info.
Function *getPersonality() const;
const Function *getPersonality() const;
/// setVariableDbgInfo - Collect information used to emit debugging
/// information of a variable.

12
include/llvm/CodeGen/MachineOperand.h
View File

@@ -117,8 +117,8 @@ private:
union {
int Index; // For MO_*Index - The index itself.
const char *SymbolName; // For MO_ExternalSymbol.
GlobalValue *GV; // For MO_GlobalAddress.
BlockAddress *BA; // For MO_BlockAddress.
const GlobalValue *GV; // For MO_GlobalAddress.
const BlockAddress *BA; // For MO_BlockAddress.
} Val;
int64_t Offset; // An offset from the object.
} OffsetedInfo;
@@ -315,12 +315,12 @@ public:
return Contents.OffsetedInfo.Val.Index;
}
GlobalValue *getGlobal() const {
const GlobalValue *getGlobal() const {
assert(isGlobal() && "Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Val.GV;
}
BlockAddress *getBlockAddress() const {
const BlockAddress *getBlockAddress() const {
assert(isBlockAddress() && "Wrong MachineOperand accessor");
return Contents.OffsetedInfo.Val.BA;
}
@@ -457,7 +457,7 @@ public:
Op.setTargetFlags(TargetFlags);
return Op;
}
static MachineOperand CreateGA(GlobalValue *GV, int64_t Offset,
static MachineOperand CreateGA(const GlobalValue *GV, int64_t Offset,
unsigned char TargetFlags = 0) {
MachineOperand Op(MachineOperand::MO_GlobalAddress);
Op.Contents.OffsetedInfo.Val.GV = GV;
@@ -473,7 +473,7 @@ public:
Op.setTargetFlags(TargetFlags);
return Op;
}
static MachineOperand CreateBA(BlockAddress *BA,
static MachineOperand CreateBA(const BlockAddress *BA,
unsigned char TargetFlags = 0) {
MachineOperand Op(MachineOperand::MO_BlockAddress);
Op.Contents.OffsetedInfo.Val.BA = BA;

8
include/llvm/CodeGen/SelectionDAG.h
View File

@@ -350,10 +350,10 @@ public:
SDValue getTargetJumpTable(int JTI, EVT VT, unsigned char TargetFlags = 0) {
return getJumpTable(JTI, VT, true, TargetFlags);
}
SDValue getConstantPool(Constant *C, EVT VT,
SDValue getConstantPool(const Constant *C, EVT VT,
unsigned Align = 0, int Offs = 0, bool isT=false,
unsigned char TargetFlags = 0);
SDValue getTargetConstantPool(Constant *C, EVT VT,
SDValue getTargetConstantPool(const Constant *C, EVT VT,
unsigned Align = 0, int Offset = 0,
unsigned char TargetFlags = 0) {
return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
@@ -377,7 +377,7 @@ public:
SDValue getValueType(EVT);
SDValue getRegister(unsigned Reg, EVT VT);
SDValue getEHLabel(DebugLoc dl, SDValue Root, MCSymbol *Label);
SDValue getBlockAddress(BlockAddress *BA, EVT VT,
SDValue getBlockAddress(const BlockAddress *BA, EVT VT,
bool isTarget = false, unsigned char TargetFlags = 0);
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N) {
@@ -767,7 +767,7 @@ public:
///
SDDbgValue *getDbgValue(MDNode *MDPtr, SDNode *N, unsigned R, uint64_t Off,
DebugLoc DL, unsigned O);
SDDbgValue *getDbgValue(MDNode *MDPtr, Value *C, uint64_t Off,
SDDbgValue *getDbgValue(MDNode *MDPtr, const Value *C, uint64_t Off,
DebugLoc DL, unsigned O);
SDDbgValue *getDbgValue(MDNode *MDPtr, unsigned FI, uint64_t Off,
DebugLoc DL, unsigned O);

15
include/llvm/CodeGen/SelectionDAGISel.h
View File

@@ -279,22 +279,23 @@ private:
const SDValue *Ops, unsigned NumOps, unsigned EmitNodeInfo);
void PrepareEHLandingPad(MachineBasicBlock *BB);
void SelectAllBasicBlocks(Function &Fn);
void SelectAllBasicBlocks(const Function &Fn);
void FinishBasicBlock();
void SelectBasicBlock(BasicBlock *LLVMBB,
BasicBlock::iterator Begin,
BasicBlock::iterator End,
void SelectBasicBlock(const BasicBlock *LLVMBB,
BasicBlock::const_iterator Begin,
BasicBlock::const_iterator End,
bool &HadTailCall);
void CodeGenAndEmitDAG();
void LowerArguments(BasicBlock *BB);
void LowerArguments(const BasicBlock *BB);
void ShrinkDemandedOps();
void ComputeLiveOutVRegInfo();
void HandlePHINodesInSuccessorBlocks(BasicBlock *LLVMBB);
void HandlePHINodesInSuccessorBlocks(const BasicBlock *LLVMBB);
bool HandlePHINodesInSuccessorBlocksFast(BasicBlock *LLVMBB, FastISel *F);
bool HandlePHINodesInSuccessorBlocksFast(const BasicBlock *LLVMBB,
FastISel *F);
/// Create the scheduler. If a specific scheduler was specified
/// via the SchedulerRegistry, use it, otherwise select the

18
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@@ -1140,7 +1140,7 @@ public:
};
class GlobalAddressSDNode : public SDNode {
GlobalValue *TheGlobal;
const GlobalValue *TheGlobal;
int64_t Offset;
unsigned char TargetFlags;
friend class SelectionDAG;
@@ -1148,7 +1148,7 @@ class GlobalAddressSDNode : public SDNode {
int64_t o, unsigned char TargetFlags);
public:
GlobalValue *getGlobal() const { return TheGlobal; }
const GlobalValue *getGlobal() const { return TheGlobal; }
int64_t getOffset() const { return Offset; }
unsigned char getTargetFlags() const { return TargetFlags; }
// Return the address space this GlobalAddress belongs to.
@@ -1203,15 +1203,15 @@ public:
class ConstantPoolSDNode : public SDNode {
union {
Constant *ConstVal;
const Constant *ConstVal;
MachineConstantPoolValue *MachineCPVal;
} Val;
int Offset; // It's a MachineConstantPoolValue if top bit is set.
unsigned Alignment; // Minimum alignment requirement of CP (not log2 value).
unsigned char TargetFlags;
friend class SelectionDAG;
ConstantPoolSDNode(bool isTarget, Constant *c, EVT VT, int o, unsigned Align,
unsigned char TF)
ConstantPoolSDNode(bool isTarget, const Constant *c, EVT VT, int o,
unsigned Align, unsigned char TF)
: SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool,
DebugLoc(),
getSDVTList(VT)), Offset(o), Alignment(Align), TargetFlags(TF) {
@@ -1234,7 +1234,7 @@ public:
return (int)Offset < 0;
}
Constant *getConstVal() const {
const Constant *getConstVal() const {
assert(!isMachineConstantPoolEntry() && "Wrong constantpool type");
return Val.ConstVal;
}
@@ -1360,16 +1360,16 @@ public:
};
class BlockAddressSDNode : public SDNode {
BlockAddress *BA;
const BlockAddress *BA;
unsigned char TargetFlags;
friend class SelectionDAG;
BlockAddressSDNode(unsigned NodeTy, EVT VT, BlockAddress *ba,
BlockAddressSDNode(unsigned NodeTy, EVT VT, const BlockAddress *ba,
unsigned char Flags)
: SDNode(NodeTy, DebugLoc(), getSDVTList(VT)),
BA(ba), TargetFlags(Flags) {
}
public:
BlockAddress *getBlockAddress() const { return BA; }
const BlockAddress *getBlockAddress() const { return BA; }
unsigned char getTargetFlags() const { return TargetFlags; }
static bool classof(const BlockAddressSDNode *) { return true; }