6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-21 09:40:22 +00:00
Code Issues Projects Releases Wiki Activity

Add capability to insert an instruction into a basic block immediately after

Browse Source 
it is created, as part of the ctor call.

Eliminate the GenericBinaryInst class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3653 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-10 15:45:53 +00:00
parent 6e65cda0ec
commit 2aa831120c
7 changed files with 88 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
lib/VMCore/InstrTypes.cpp
View File

@ -1,4 +1,4 @@
//===-- InstrTypes.cpp - Implement Instruction subclasses --------*- C++ -*--=//
//===-- InstrTypes.cpp - Implement Instruction subclasses -------*- C++ -*-===//
//
// This file implements
//
@ -15,25 +15,15 @@
// TerminatorInst Class
//===----------------------------------------------------------------------===//
TerminatorInst::TerminatorInst(Instruction::TermOps iType)
: Instruction(Type::VoidTy, iType, "") {
TerminatorInst::TerminatorInst(Instruction::TermOps iType, Instruction *IB)
: Instruction(Type::VoidTy, iType, "", IB) {
}
TerminatorInst::TerminatorInst(const Type *Ty, Instruction::TermOps iType,
const std::string &Name)
: Instruction(Ty, iType, Name) {
}
//===----------------------------------------------------------------------===//
// PHINode Class
//===----------------------------------------------------------------------===//
PHINode::PHINode(const Type *Ty, const std::string &name)
: Instruction(Ty, Instruction::PHINode, name) {
}
PHINode::PHINode(const PHINode &PN)
PHINode::PHINode(const PHINode &PN)
: Instruction(PN.getType(), Instruction::PHINode) {
Operands.reserve(PN.Operands.size());
for (unsigned i = 0; i < PN.Operands.size(); i+=2) {

10
lib/VMCore/Instruction.cpp
View File

@ -9,13 +9,21 @@
#include "llvm/Type.h"
#include "Support/LeakDetector.h"
Instruction::Instruction(const Type *ty, unsigned it, const std::string &Name)
Instruction::Instruction(const Type *ty, unsigned it, const std::string &Name,
Instruction *InsertBefore)
: User(ty, Value::InstructionVal, Name) {
Parent = 0;
iType = it;
// 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);
}
}
void Instruction::setParent(BasicBlock *P) {

5
lib/VMCore/iBranch.cpp
View File

@ -9,8 +9,9 @@
#include "llvm/BasicBlock.h"
#include "llvm/Type.h"
BranchInst::BranchInst(BasicBlock *True, BasicBlock *False, Value *Cond)
: TerminatorInst(Instruction::Br) {
BranchInst::BranchInst(BasicBlock *True, BasicBlock *False, Value *Cond,
Instruction *InsertBefore)
: TerminatorInst(Instruction::Br, InsertBefore) {
assert(True != 0 && "True branch destination may not be null!!!");
Operands.reserve(False ? 3 : 1);
Operands.push_back(Use(True, this));

8
lib/VMCore/iCall.cpp
View File

@ -14,10 +14,10 @@
//===----------------------------------------------------------------------===//
CallInst::CallInst(Value *Func, const std::vector<Value*> &params,
const std::string &Name)
const std::string &Name, Instruction *InsertBefore)
: Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Call, Name) {
Instruction::Call, Name, InsertBefore) {
Operands.reserve(1+params.size());
Operands.push_back(Use(Func, this));
@ -46,10 +46,10 @@ CallInst::CallInst(const CallInst &CI)
InvokeInst::InvokeInst(Value *Func, BasicBlock *IfNormal,
BasicBlock *IfException,
const std::vector<Value*> &params,
const std::string &Name)
const std::string &Name, Instruction *InsertBefore)
: TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Invoke, Name) {
Instruction::Invoke, Name, InsertBefore) {
Operands.reserve(3+params.size());
Operands.push_back(Use(Func, this));
Operands.push_back(Use((Value*)IfNormal, this));

52
lib/VMCore/iMemory.cpp
View File

@ -8,14 +8,9 @@
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
static inline const Type *checkType(const Type *Ty) {
assert(Ty && "Invalid indices for type!");
return Ty;
}
AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
const std::string &Name)
: Instruction(Ty, iTy, Name) {
const std::string &Name, Instruction *InsertBef)
: Instruction(Ty, iTy, Name, InsertBef) {
assert(isa<PointerType>(Ty) && "Can't allocate a non pointer type!");
// ArraySize defaults to 1.
@ -37,14 +32,25 @@ const Type *AllocationInst::getAllocatedType() const {
return getType()->getElementType();
}
//===----------------------------------------------------------------------===//
// FreeInst Implementation
//===----------------------------------------------------------------------===//
FreeInst::FreeInst(Value *Ptr, Instruction *InsertBefore)
: Instruction(Type::VoidTy, Free, "", InsertBefore) {
assert(isa<PointerType>(Ptr->getType()) && "Can't free nonpointer!");
Operands.reserve(1);
Operands.push_back(Use(Ptr, this));
}
//===----------------------------------------------------------------------===//
// LoadInst Implementation
//===----------------------------------------------------------------------===//
LoadInst::LoadInst(Value *Ptr, const std::string &Name)
LoadInst::LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBef)
: Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Name) {
Load, Name, InsertBef) {
Operands.reserve(1);
Operands.push_back(Use(Ptr, this));
}
@ -54,8 +60,8 @@ LoadInst::LoadInst(Value *Ptr, const std::string &Name)
// StoreInst Implementation
//===----------------------------------------------------------------------===//
StoreInst::StoreInst(Value *Val, Value *Ptr)
: Instruction(Type::VoidTy, Store, "") {
StoreInst::StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore)
: Instruction(Type::VoidTy, Store, "", InsertBefore) {
Operands.reserve(2);
Operands.push_back(Use(Val, this));
@ -67,11 +73,19 @@ StoreInst::StoreInst(Value *Val, Value *Ptr)
// GetElementPtrInst Implementation
//===----------------------------------------------------------------------===//
// checkType - Simple wrapper function to give a better assertion failure
// message on bad indexes for a gep instruction.
//
static inline const Type *checkType(const Type *Ty) {
assert(Ty && "Invalid indices for type!");
return Ty;
}
GetElementPtrInst::GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
const std::string &Name)
const std::string &Name, Instruction *InBe)
: Instruction(PointerType::get(checkType(getIndexedType(Ptr->getType(),
Idx, true))),
GetElementPtr, Name) {
GetElementPtr, Name, InBe) {
assert(getIndexedType(Ptr->getType(), Idx, true) && "gep operands invalid!");
Operands.reserve(1+Idx.size());
Operands.push_back(Use(Ptr, this));
@ -107,15 +121,3 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
}
return CurIDX == Idx.size() ? Ptr : 0;
}
//===----------------------------------------------------------------------===//
// FreeInst Implementation
//===----------------------------------------------------------------------===//
FreeInst::FreeInst(Value *Ptr) : Instruction(Type::VoidTy, Free, "") {
assert(isa<PointerType>(Ptr->getType()) && "Can't free nonpointer!");
Operands.reserve(1);
Operands.push_back(Use(Ptr, this));
}

54
lib/VMCore/iOperators.cpp
View File

@ -7,33 +7,54 @@
#include "llvm/iOperators.h"
#include "llvm/Type.h"
#include "llvm/Constants.h"
#include "llvm/BasicBlock.h"
//===----------------------------------------------------------------------===//
// BinaryOperator Class
//===----------------------------------------------------------------------===//
BinaryOperator::BinaryOperator(BinaryOps iType, Value *S1, Value *S2,
const Type *Ty, const std::string &Name,
Instruction *InsertBefore)
: Instruction(Ty, iType, Name, InsertBefore) {
Operands.reserve(2);
Operands.push_back(Use(S1, this));
Operands.push_back(Use(S2, this));
assert(Operands[0] && Operands[1] &&
Operands[0]->getType() == Operands[1]->getType());
}
BinaryOperator *BinaryOperator::create(BinaryOps Op, Value *S1, Value *S2,
const std::string &Name) {
const std::string &Name,
Instruction *InsertBefore) {
assert(S1->getType() == S2->getType() &&
"Cannot create binary operator with two operands of differing type!");
switch (Op) {
// Binary comparison operators...
case SetLT: case SetGT: case SetLE:
case SetGE: case SetEQ: case SetNE:
return new SetCondInst(Op, S1, S2, Name);
return new SetCondInst(Op, S1, S2, Name, InsertBefore);
default:
return new GenericBinaryInst(Op, S1, S2, Name);
return new BinaryOperator(Op, S1, S2, S1->getType(), Name, InsertBefore);
}
}
BinaryOperator *BinaryOperator::createNeg(Value *Op, const std::string &Name) {
return new GenericBinaryInst(Instruction::Sub,
Constant::getNullValue(Op->getType()), Op, Name);
BinaryOperator *BinaryOperator::createNeg(Value *Op, const std::string &Name,
Instruction *InsertBefore) {
return new BinaryOperator(Instruction::Sub,
Constant::getNullValue(Op->getType()), Op,
Op->getType(), Name, InsertBefore);
}
BinaryOperator *BinaryOperator::createNot(Value *Op, const std::string &Name) {
return new GenericBinaryInst(Instruction::Xor, Op,
ConstantIntegral::getAllOnesValue(Op->getType()),
Name);
BinaryOperator *BinaryOperator::createNot(Value *Op, const std::string &Name,
Instruction *InsertBefore) {
return new BinaryOperator(Instruction::Xor, Op,
ConstantIntegral::getAllOnesValue(Op->getType()),
Op->getType(), Name, InsertBefore);
}
@ -111,15 +132,12 @@ bool BinaryOperator::swapOperands() {
// SetCondInst Class
//===----------------------------------------------------------------------===//
SetCondInst::SetCondInst(BinaryOps opType, Value *S1, Value *S2,
const std::string &Name)
: BinaryOperator(opType, S1, S2, Name) {
SetCondInst::SetCondInst(BinaryOps Opcode, Value *S1, Value *S2,
const std::string &Name, Instruction *InsertBefore)
: BinaryOperator(Opcode, S1, S2, Type::BoolTy, Name, InsertBefore) {
OpType = opType;
setType(Type::BoolTy); // setcc instructions always return bool type.
// Make sure it's a valid type...
assert(getOpcodeName() != 0);
// Make sure it's a valid type... getInverseCondition will assert out if not.
assert(getInverseCondition(Opcode));
}
// getInverseCondition - Return the inverse of the current condition opcode.

9
lib/VMCore/iSwitch.cpp
View File

@ -7,11 +7,12 @@
#include "llvm/iTerminators.h"
#include "llvm/BasicBlock.h"
SwitchInst::SwitchInst(Value *V, BasicBlock *DefDest)
: TerminatorInst(Instruction::Switch) {
assert(V && DefDest);
SwitchInst::SwitchInst(Value *V, BasicBlock *DefaultDest,
Instruction *InsertBefore)
: TerminatorInst(Instruction::Switch, InsertBefore) {
assert(V && DefaultDest);
Operands.push_back(Use(V, this));
Operands.push_back(Use(DefDest, this));
Operands.push_back(Use(DefaultDest, this));
}
SwitchInst::SwitchInst(const SwitchInst &SI)