[midend-llvmirprint]实现了大部分函数的print方法,TODO:需要完善func和module的print方法以及重命名的逻辑

This commit is contained in:
rain2133
2025-08-06 01:02:11 +08:00
parent 5f63554ca3
commit 08fcda939b
2 changed files with 378 additions and 61 deletions

View File

@@ -5,9 +5,11 @@
#include <queue>
#include <set>
#include <sstream>
#include <iomanip>
#include <vector>
#include "IRBuilder.h"
using namespace std;
/**
* @file IR.cpp
*
@@ -15,6 +17,64 @@
*/
namespace sysy {
/*相关打印函数*/
template <typename T>
ostream &interleave(std::ostream &os, const T &container, const std::string sep = ", ") {
auto b = container.begin(), e = container.end();
if (b == e)
return os;
os << *b;
for (b = std::next(b); b != e; b = std::next(b))
os << sep << *b;
return os;
}
template <typename T>
ostream &interleave_call(std::ostream &os, const T &container, const std::string sep = ", ") {
auto b = container.begin(), e = container.end();
b = std::next(b); // Skip the first element
if (b == e)
return os;
os << *b;
for (b = std::next(b); b != e; b = std::next(b))
os << sep << *b;
return os;
}
static inline ostream &printVarName(ostream &os, const Value *var)
{
if (dynamic_cast<const GlobalValue*>(var) != nullptr) {
auto globalVal = dynamic_cast<const GlobalValue*>(var);
return os << "@" << globalVal->getName();
} else {
return os << "%" << var->getName();
}
}
static inline ostream &printBlockName(ostream &os, const BasicBlock *block) {
return os << block->getName();
}
static inline ostream &printFunctionName(ostream &os, const Function *fn) {
return os << '@' << fn->getName();
}
static inline ostream &printOperand(ostream &os, const Value *value) {
auto constValue = dynamic_cast<const ConstantValue*>(value);
if (constValue != nullptr) {
constValue->print(os);
return os;
}
return printVarName(os, value);
}
inline std::ostream& operator<<(std::ostream& os, const Type& type) {
type.print(os);
return os;
}
inline std::ostream& operator<<(std::ostream& os, const Value& value) {
value.print(os);
return os;
}
//===----------------------------------------------------------------------===//
// Types
//===----------------------------------------------------------------------===//
@@ -73,6 +133,37 @@ auto Type::getSize() const -> unsigned {
return 0;
}
void Type::print(ostream &os) const {
auto kind = getKind();
switch (kind){
case kInt: os << "i32"; break;
case kFloat: os << "float"; break;
case kVoid: os << "void"; break;
case kPointer:
static_cast<const PointerType *>(this)->getBaseType()->print(os);
os << "*";
break;
case kFunction:
static_cast<const FunctionType *>(this)->getReturnType()->print(os);
os << "(";
interleave(os, static_cast<const FunctionType *>(this)->getParamTypes());
os << ")";
break;
case kArray:
os << "[";
os << static_cast<const ArrayType *>(this)->getNumElements();
os << " x ";
static_cast<const ArrayType *>(this)->getElementType()->print(os);
os << "]";
break;
case kLabel:
default:
cerr << "error type\n";
break;
}
}
PointerType* PointerType::get(Type *baseType) {
static std::map<Type *, std::unique_ptr<PointerType>> pointerTypes;
auto iter = pointerTypes.find(baseType);
@@ -204,6 +295,214 @@ UndefinedValue* UndefinedValue::get(Type* type) {
return newUndef;
}
inline std::string getMachineCode(float fval) {
uint32_t mrf = *reinterpret_cast<uint32_t*>(&fval);
std::stringstream ss;
ss << std::hex << std::uppercase << std::setfill('0') << std::setw(8) << mrf;
return "0x" + ss.str();
}
void ConstantValue::print(std::ostream &os) const {
if(dynamic_cast<const ConstantInteger*>(this)) {
dynamic_cast<const ConstantInteger*>(this)->print(os);
} else if(dynamic_cast<const ConstantFloating*>(this)) {
dynamic_cast<const ConstantFloating*>(this)->print(os);
} else if(dynamic_cast<const UndefinedValue*>(this)) {
dynamic_cast<const UndefinedValue*>(this)->print(os);
} else {
os << "unknown constant type";
}
}
void ConstantInteger::print(std::ostream &os) const {
os << "i32 " << this->getInt();
}
void ConstantFloating::print(std::ostream &os) const {
os << "float " << getMachineCode(this->getFloat());
}
void UndefinedValue::print(std::ostream &os) const {
os << this->getType() << " undef";
}
void BasicBlock::print(std::ostream &os) const {
assert(this->getName() != "" && "BasicBlock name cannot be empty");
os << " ";
printBlockName(os, this);
os << ":\n";
for (auto &inst : instructions) {
os << " " << *inst << '\n';
}
}
void PhiInst::print(std::ostream &os) const {
printVarName(os, this);
os << " = " << getKindString() << " " << *getType() << " ";
for (unsigned i = 0; i < vsize; ++i) {
if (i > 0) {
os << ", ";
}
os << " [";
printOperand(os, getIncomingValue(i));
os << ", ";
printBlockName(os, getIncomingBlock(i));
os << "]";
}
}
void CallInst::print(std::ostream &os) const {
if(!getType()->isVoid()) {
printVarName(os, this) << " = ";
}
os << getKindString() << *getType() << " " ;
printFunctionName(os, getCallee());
os << "(";
interleave_call(os, getOperands());
os << ")";
}
// 情况比较复杂就不用getkindstring了
void UnaryInst::print(std::ostream &os) const {
printVarName(os, this) << " = ";
switch (getKind()) {
case kNeg:
os << "sub i32 0, ";
printOperand(os, getOperand());
break;
case kFNeg:
os << "fsub float 0.0, ";
printOperand(os, getOperand());
break;
case kNot:
os << "xor " << *getOperand()->getType() << " ";
printOperand(os, getOperand());
os << ", -1";
return;
case kFNot:
os << "fcmp une " << *getOperand()->getType() << " ";
printOperand(os, getOperand());
os << ", 0.0";
return;
case kFtoI:
os << "fptosi " << *getOperand()->getType() << " ";
printOperand(os, getOperand());
os << " to " << *getType();
return;
case kItoF:
os << "sitofp " << *getOperand()->getType() << " ";
printOperand(os, getOperand());
os << " to " << *getType();
return;
default:
os << "error unary inst";
return;
}
}
void AllocaInst::print(std::ostream &os) const {
PointerType *ptrType = dynamic_cast<PointerType *>(getType());
Type *baseType = ptrType->getBaseType();
printVarName(os, this);
os << " = " << getKindString() << " " << *baseType;
}
void BinaryInst::print(std::ostream &os) const {
printVarName(os, this) << " = ";
auto kind = getKind();
// 检查是否为比较指令
if (kind == kICmpEQ || kind == kICmpNE || kind == kICmpLT ||
kind == kICmpGT || kind == kICmpLE || kind == kICmpGE) {
// 整数比较指令
os << getKindString() << " " << *getLhs()->getType() << " ";
printOperand(os, getLhs());
os << ", ";
printOperand(os, getRhs());
} else if (kind == kFCmpEQ || kind == kFCmpNE || kind == kFCmpLT ||
kind == kFCmpGT || kind == kFCmpLE || kind == kFCmpGE) {
// 浮点比较指令
os << getKindString() << " " << *getLhs()->getType() << " ";
printOperand(os, getLhs());
os << ", ";
printOperand(os, getRhs());
} else {
// 算术和逻辑指令
os << getKindString() << " " << *getType() << " ";
printOperand(os, getLhs());
os << ", ";
printOperand(os, getRhs());
}
}
void ReturnInst::print(std::ostream &os) const {
os << "ret ";
if (hasReturnValue()) {
os << *getReturnValue()->getType() << " ";
printOperand(os, getReturnValue());
} else {
os << "void";
}
}
void UncondBrInst::print(std::ostream &os) const {
os << "br label %";
printBlockName(os, getBlock());
}
void CondBrInst::print(std::ostream &os) const {
os << "br " << *getCondition()->getType() << " ";
printOperand(os, getCondition());
os << ", label %";
printBlockName(os, getThenBlock());
os << ", label %";
printBlockName(os, getElseBlock());
}
void GetElementPtrInst::print(std::ostream &os) const {
printVarName(os, this) << " = getelementptr ";
// 获取基指针的基类型
auto basePtr = getBasePointer();
auto basePtrType = basePtr->getType()->as<PointerType>();
auto baseType = basePtrType->getBaseType();
os << *baseType << ", " << *basePtr->getType() << " ";
printOperand(os, basePtr);
// 打印索引 - 使用getIndex方法而不是getIndices
for (unsigned i = 0; i < getNumIndices(); ++i) {
auto index = getIndex(i);
os << ", " << *index->getType() << " ";
printOperand(os, index);
}
}
void LoadInst::print(std::ostream &os) const {
printVarName(os, this) << " = load " << *getType() << ", " << *getPointer()->getType() << " ";
printOperand(os, getPointer());
}
void MemsetInst::print(std::ostream &os) const {
os << "call void @llvm.memset.p0i8.i32(i8* ";
printOperand(os, getPointer());
os << ", i8 ";
printOperand(os, getOperand(3)); // value
os << ", i32 ";
printOperand(os, getOperand(2)); // size
os << ", i1 false)";
}
void StoreInst::print(std::ostream &os) const {
os << "store " << *getValue()->getType() << " ";
printOperand(os, getValue());
os << ", " << *getPointer()->getType() << " ";
printOperand(os, getPointer());
}
auto Function::getCalleesWithNoExternalAndSelf() -> std::set<Function *> {
std::set<Function *> result;
@@ -389,17 +688,6 @@ void PhiInst::replaceIncomingBlock(BasicBlock *oldBlock, BasicBlock *newBlock, V
addIncoming(newValue, newBlock);
}
CallInst::CallInst(Function *callee, const std::vector<Value *> &args, BasicBlock *parent, const std::string &name)
: Instruction(kCall, callee->getReturnType(), parent, name) {
addOperand(callee);
for (auto arg : args) {
addOperand(arg);
}
}
/**
* 获取被调用函数的指针
*/
Function * CallInst::getCallee() const { return dynamic_cast<Function *>(getOperand(0)); }
/**
* 获取变量指针