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mysysy/src/SysYIRPassManager.cpp
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2025-07-19 14:23:57 +08:00

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// PassManager.cpp
#include "SysYIRPassManager.h"
#include <iostream>
namespace sysy {
void PassManager::run(Module& M) {
// 首先运行Module级别的Pass
for (auto& pass : modulePasses) {
std::cout << "Running Module Pass: " << pass->getPassName() << std::endl;
pass->runOnModule(M);
}
// 然后对每个函数运行Function级别的Pass
auto& functions = M.getFunctions();
for (auto& pair : functions) {
Function& F = *(pair.second); // 获取Function的引用
std::cout << " Processing Function: " << F.getName() << std::endl;
// 在每个函数上运行FunctionPasses
bool changedInFunction;
do {
changedInFunction = false;
for (auto& pass : functionPasses) {
// 对于FunctionPasses可以考虑一个迭代执行的循环直到稳定
std::cout << " Running Function Pass: " << pass->getPassName() << std::endl;
changedInFunction |= pass->runOnFunction(F);
}
} while (changedInFunction); // 循环直到函数稳定这模拟了您SysYCFGOpt的while(changed)逻辑
}
// 分析Pass的运行可以在其他Pass需要时触发或者在特定的PassManager阶段触发
// 对于依赖于分析结果的Pass可以在其run方法中通过PassManager::getAnalysis()来获取
}
} // namespace sysy