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nudt-compiler-cpp/src/ir/Context.cpp

48 lines
1.4 KiB

// 管理基础类型、整型常量池和临时名生成。
#include "ir/IR.h"
#include <iomanip>
#include <sstream>
namespace ir {
Context::~Context() = default;
ConstantInt* Context::GetConstInt(int v) {
auto it = const_ints_.find(v);
if (it != const_ints_.end()) return it->second.get();
auto inserted =
const_ints_.emplace(v, std::make_unique<ConstantInt>(Type::GetInt32Type(), v)).first;
return inserted->second.get();
}
ConstantFloat* Context::GetConstFloat(double v) {
std::ostringstream key_builder;
key_builder << std::setprecision(17) << v;
const std::string key = key_builder.str();
auto it = const_floats_.find(key);
if (it != const_floats_.end()) return it->second.get();
auto inserted =
const_floats_
.emplace(key, std::make_unique<ConstantFloat>(Type::GetFloat32Type(),
v))
.first;
return inserted->second.get();
}
ConstantInt* Context::GetConstBool(int v) {
auto it = const_bools_.find(v ? 1 : 0);
if (it != const_bools_.end()) return it->second.get();
auto inserted =
const_bools_.emplace(v ? 1 : 0, std::make_unique<ConstantInt>(Type::GetInt1Type(), v ? 1 : 0)).first;
return inserted->second.get();
}
std::string Context::NextTemp() {
std::ostringstream oss;
oss << "%t" << ++temp_index_;
return oss.str();
}
} // namespace ir