forked from NUDT-compiler/nudt-compiler-cpp
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90 lines
2.7 KiB
90 lines
2.7 KiB
// IR 构建工具：
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// - 管理插入点（当前基本块/位置）
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// - 提供创建各类指令的便捷接口，降低 IRGen 复杂度
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#include "ir/IR.h"
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#include <stdexcept>
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#include "utils/Log.h"
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namespace ir {
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IRBuilder::IRBuilder(Context& ctx, BasicBlock* bb)
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: ctx_(ctx), insertBlock_(bb) {}
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void IRBuilder::SetInsertPoint(BasicBlock* bb) { insertBlock_ = bb; }
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BasicBlock* IRBuilder::GetInsertBlock() const { return insertBlock_; }
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ConstantInt* IRBuilder::CreateConstInt(int v) {
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// 常量不需要挂在基本块里，由 Context 负责去重与生命周期。
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return ctx_.GetConstInt(v);
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}
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BinaryInst* IRBuilder::CreateBinary(Opcode op, Value* lhs, Value* rhs,
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const std::string& name) {
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if (!insertBlock_) {
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throw std::runtime_error(FormatError("ir", "IRBuilder 未设置插入点"));
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}
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if (!lhs) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateBinary 缺少 lhs"));
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}
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if (!rhs) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateBinary 缺少 rhs"));
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}
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return insertBlock_->Append<BinaryInst>(op, lhs->type(), lhs, rhs, name);
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}
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BinaryInst* IRBuilder::CreateAdd(Value* lhs, Value* rhs,
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const std::string& name) {
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return CreateBinary(Opcode::Add, lhs, rhs, name);
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}
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AllocaInst* IRBuilder::CreateAllocaI32(const std::string& name) {
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if (!insertBlock_) {
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throw std::runtime_error(FormatError("ir", "IRBuilder 未设置插入点"));
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}
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return insertBlock_->Append<AllocaInst>(ctx_.PtrInt32(), name);
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}
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LoadInst* IRBuilder::CreateLoad(Value* ptr, const std::string& name) {
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if (!insertBlock_) {
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throw std::runtime_error(FormatError("ir", "IRBuilder 未设置插入点"));
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}
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if (!ptr) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateLoad 缺少 ptr"));
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}
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return insertBlock_->Append<LoadInst>(ctx_.Int32(), ptr, name);
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}
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StoreInst* IRBuilder::CreateStore(Value* val, Value* ptr) {
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if (!insertBlock_) {
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throw std::runtime_error(FormatError("ir", "IRBuilder 未设置插入点"));
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}
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if (!val) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateStore 缺少 val"));
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}
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if (!ptr) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateStore 缺少 ptr"));
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}
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return insertBlock_->Append<StoreInst>(ctx_.Void(), val, ptr);
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}
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ReturnInst* IRBuilder::CreateRet(Value* v) {
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if (!insertBlock_) {
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throw std::runtime_error(FormatError("ir", "IRBuilder 未设置插入点"));
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}
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if (!v) {
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throw std::runtime_error(
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FormatError("ir", "IRBuilder::CreateRet 缺少返回值"));
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}
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return insertBlock_->Append<ReturnInst>(ctx_.Void(), v);
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}
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} // namespace ir
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