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[backend]暂时禁用中端强度削弱

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This commit is contained in:
Lixuanwang
2025-08-19 08:30:55 +08:00
parent d79857feb9
commit 06b4df79ee
2 changed files with 9 additions and 9 deletions
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4
src/backend/RISCv64/RISCv64Backend.cpp
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@@ -208,12 +208,12 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
std::stringstream ss_after_isel; std::stringstream ss_after_isel;
RISCv64AsmPrinter printer_isel(mfunc.get()); RISCv64AsmPrinter printer_isel(mfunc.get());
printer_isel.run(ss_after_isel, true); printer_isel.run(ss_after_isel, true);
DEBUG = 1; // DEBUG = 1;
if (DEBUG) { if (DEBUG) {
std::cerr << "====== Intermediate Representation after Instruction Selection ======\n" std::cerr << "====== Intermediate Representation after Instruction Selection ======\n"
<< ss_after_isel.str(); << ss_after_isel.str();
} }
DEBUG = 0; // DEBUG = 0;
// 阶段 2: 消除帧索引 (展开伪指令，计算局部变量偏移) // 阶段 2: 消除帧索引 (展开伪指令，计算局部变量偏移)
EliminateFrameIndicesPass efi_pass; EliminateFrameIndicesPass efi_pass;
efi_pass.runOnMachineFunction(mfunc.get()); efi_pass.runOnMachineFunction(mfunc.get());

14
src/midend/Pass/Pass.cpp
View File

@@ -185,19 +185,19 @@ void PassManager::runOptimizationPipeline(Module* moduleIR, IRBuilder* builderIR
printPasses(); printPasses();
} }
this->clearPasses(); // this->clearPasses();
this->addPass(&LoopStrengthReduction::ID); // this->addPass(&LoopStrengthReduction::ID);
this->run(); // this->run();
if(DEBUG) { if(DEBUG) {
std::cout << "=== IR After Loop Normalization, and Strength Reduction Optimizations ===\n"; std::cout << "=== IR After Loop Normalization, and Strength Reduction Optimizations ===\n";
printPasses(); printPasses();
} }
// 全局强度削弱优化，包括代数优化和魔数除法 // // 全局强度削弱优化，包括代数优化和魔数除法
this->clearPasses(); // this->clearPasses();
this->addPass(&GlobalStrengthReduction::ID); // this->addPass(&GlobalStrengthReduction::ID);
this->run(); // this->run();
if(DEBUG) { if(DEBUG) {
std::cout << "=== IR After Global Strength Reduction Optimizations ===\n"; std::cout << "=== IR After Global Strength Reduction Optimizations ===\n";