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Switch UnaryOperators to default to passing names up by const char* when possible.

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This speeds up bcreading by 1.5%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34233 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-13 07:54:42 +00:00
parent ec79b3da13
commit f00042a999
5 changed files with 100 additions and 20 deletions
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14
include/llvm/InstrTypes.h
View File

@ -91,11 +91,11 @@ class UnaryInstruction : public Instruction {
Use Op;
protected:
UnaryInstruction(const Type *Ty, unsigned iType, Value *V,
const std::string &Name = "", Instruction *IB = 0)
const char *Name = 0, Instruction *IB = 0)
: Instruction(Ty, iType, &Op, 1, Name, IB), Op(V, this) {
}
UnaryInstruction(const Type *Ty, unsigned iType, Value *V,
const std::string &Name, BasicBlock *IAE)
const char *Name = 0, BasicBlock *IAE)
: Instruction(Ty, iType, &Op, 1, Name, IAE), Op(V, this) {
}
public:
@ -263,13 +263,15 @@ class CastInst : public UnaryInstruction {
protected:
/// @brief Constructor with insert-before-instruction semantics for subclasses
CastInst(const Type *Ty, unsigned iType, Value *S,
const std::string &Name = "", Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, iType, S, Name, InsertBefore) {
const std::string &Name = "", Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, iType, S, 0, InsertBefore) {
setName(Name);
}
/// @brief Constructor with insert-at-end-of-block semantics for subclasses
CastInst(const Type *Ty, unsigned iType, Value *S,
const std::string &Name, BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, iType, S, Name, InsertAtEnd) {
const std::string &Name, BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, iType, S, 0, InsertAtEnd) {
setName(Name);
}
public:
/// Provides a way to construct any of the CastInst subclasses using an

7
include/llvm/Instruction.h
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@ -41,10 +41,13 @@ class Instruction : public User {
void setParent(BasicBlock *P);
protected:
Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
const std::string &Name = "",
Instruction *InsertBefore = 0);
const std::string &Name, Instruction *InsertBefore = 0);
Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
const std::string &Name, BasicBlock *InsertAtEnd);
Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
const char *Name = 0, Instruction *InsertBefore = 0);
Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
const char *Name, BasicBlock *InsertAtEnd);
public:
// Out of line virtual method, so the vtable, etc has a home.
~Instruction();

17
include/llvm/Instructions.h
View File

@ -222,11 +222,18 @@ class LoadInst : public UnaryInstruction {
public:
LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBefore);
LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAtEnd);
explicit LoadInst(Value *Ptr, const std::string &Name = "",
bool isVolatile = false, Instruction *InsertBefore = 0);
LoadInst(Value *Ptr, const std::string &Name, bool isVolatile = false,
Instruction *InsertBefore = 0);
LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const char *Name, Instruction *InsertBefore);
LoadInst(Value *Ptr, const char *Name, BasicBlock *InsertAtEnd);
explicit LoadInst(Value *Ptr, const char *Name = 0, bool isVolatile = false,
Instruction *InsertBefore = 0);
LoadInst(Value *Ptr, const char *Name, bool isVolatile,
BasicBlock *InsertAtEnd);
/// isVolatile - Return true if this is a load from a volatile memory
/// location.
///
@ -828,11 +835,13 @@ class VAArgInst : public UnaryInstruction {
public:
VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, VAArg, List, Name, InsertBefore) {
: UnaryInstruction(Ty, VAArg, List, 0, InsertBefore) {
setName(Name);
}
VAArgInst(Value *List, const Type *Ty, const std::string &Name,
BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, VAArg, List, Name, InsertAtEnd) {
: UnaryInstruction(Ty, VAArg, List, 0, InsertAtEnd) {
setName(Name);
}
virtual VAArgInst *clone() const;

28
lib/VMCore/Instruction.cpp
View File

@ -44,6 +44,34 @@ Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
setName(Name);
}
Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
const char *Name, Instruction *InsertBefore)
: User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
// Make sure that we get added to a basicblock
LeakDetector::addGarbageObject(this);
// If requested, insert this instruction into a basic block...
if (InsertBefore) {
assert(InsertBefore->getParent() &&
"Instruction to insert before is not in a basic block!");
InsertBefore->getParent()->getInstList().insert(InsertBefore, this);
}
if (Name && *Name) setName(Name);
}
Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
const char *Name, BasicBlock *InsertAtEnd)
: User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
// Make sure that we get added to a basicblock
LeakDetector::addGarbageObject(this);
// append this instruction into the basic block
assert(InsertAtEnd && "Basic block to append to may not be NULL!");
InsertAtEnd->getInstList().push_back(this);
if (Name && *Name) setName(Name);
}
// Out of line virtual method, so the vtable, etc has a home.
Instruction::~Instruction() {
assert(Parent == 0 && "Instruction still linked in the program!");

54
lib/VMCore/Instructions.cpp
View File

@ -531,18 +531,20 @@ AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
unsigned Align, const std::string &Name,
Instruction *InsertBefore)
: UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize),
Name, InsertBefore), Alignment(Align) {
0, InsertBefore), Alignment(Align) {
assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
assert(Ty != Type::VoidTy && "Cannot allocate void!");
setName(Name);
}
AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
unsigned Align, const std::string &Name,
BasicBlock *InsertAtEnd)
: UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize),
Name, InsertAtEnd), Alignment(Align) {
0, InsertAtEnd), Alignment(Align) {
assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
assert(Ty != Type::VoidTy && "Cannot allocate void!");
setName(Name);
}
// Out of line virtual method, so the vtable, etc has a home.
@ -579,12 +581,12 @@ void FreeInst::AssertOK() {
}
FreeInst::FreeInst(Value *Ptr, Instruction *InsertBefore)
: UnaryInstruction(Type::VoidTy, Free, Ptr, "", InsertBefore) {
: UnaryInstruction(Type::VoidTy, Free, Ptr, 0, InsertBefore) {
AssertOK();
}
FreeInst::FreeInst(Value *Ptr, BasicBlock *InsertAtEnd)
: UnaryInstruction(Type::VoidTy, Free, Ptr, "", InsertAtEnd) {
: UnaryInstruction(Type::VoidTy, Free, Ptr, 0, InsertAtEnd) {
AssertOK();
}
@ -600,30 +602,66 @@ void LoadInst::AssertOK() {
LoadInst::LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBef)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertBef) {
Load, Ptr, 0, InsertBef) {
setVolatile(false);
AssertOK();
setName(Name);
}
LoadInst::LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAE)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertAE) {
Load, Ptr, 0, InsertAE) {
setVolatile(false);
AssertOK();
setName(Name);
}
LoadInst::LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
Instruction *InsertBef)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertBef) {
Load, Ptr, 0, InsertBef) {
setVolatile(isVolatile);
AssertOK();
setName(Name);
}
LoadInst::LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
BasicBlock *InsertAE)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertAE) {
Load, Ptr, 0, InsertAE) {
setVolatile(isVolatile);
AssertOK();
setName(Name);
}
LoadInst::LoadInst(Value *Ptr, const char *Name, Instruction *InsertBef)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertBef) {
setVolatile(false);
AssertOK();
}
LoadInst::LoadInst(Value *Ptr, const char *Name, BasicBlock *InsertAE)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertAE) {
setVolatile(false);
AssertOK();
}
LoadInst::LoadInst(Value *Ptr, const char *Name, bool isVolatile,
Instruction *InsertBef)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertBef) {
setVolatile(isVolatile);
AssertOK();
}
LoadInst::LoadInst(Value *Ptr, const char *Name, bool isVolatile,
BasicBlock *InsertAE)
: UnaryInstruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Ptr, Name, InsertAE) {
setVolatile(isVolatile);
AssertOK();
}