Commit 026d581a authored by Adéla Štěpková's avatar Adéla Štěpková
Browse files

add reg2mem pass to preprocessing

parent db1ef82d

include/core/passDriver.hpp

+2 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

#include "llvm/Transforms/Utils/Mem2Reg.h"

#include "llvm/Transforms/Utils/FixIrreducible.h"

#include "llvm/Transforms/Scalar/Reg2Mem.h"



namespace llvm {
@@ -54,6 +55,7 @@ public: 


    // PASSES

    void mem2Reg();

    void reg2Mem();

    void globalDCE();

    void fixIrreducible();

    void preprocessForCustomOpt();

src/core/passDriver.cpp

+12 −2
Original line number Diff line number Diff line
@@ -25,6 +25,15 @@ void PassDriver::mem2Reg() 
    MPM.run(module, MAM);

}



void PassDriver::reg2Mem()

{

    FunctionPassManager FPM;

    ModulePassManager MPM;

    FPM.addPass(RegToMemPass());

    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));

    MPM.run(module, MAM);

}



void PassDriver::globalDCE()

{

    auto preserveMain = [](const GlobalValue& GV) -> bool { return GV.getName() == "main"; };
@@ -57,11 +66,12 @@ void PassDriver::finalPostprocessing() 
    FPM.addPass(DCEPass());

    // MPM.addPass(AttributorPass());

    MPM.addPass(GlobalDCEPass());

    FPM.addPass(PromotePass());

    FPM.addPass(DSEPass());

    FPM.addPass(SimplifyCFGPass());

    FPM.addPass(InstCombinePass());

    // FPM.addPass(GVNPass());

    MPM.addPass(InternalizePass(preserveMain));

    FPM.addPass(PromotePass());

    FPM.addPass(DSEPass());



    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));

    MPM.run(module, MAM);

src/moduleReverser.cpp

+2 −2
Original line number Diff line number Diff line
@@ -28,8 +28,8 @@ 


void ModuleReverser::runPreprocessingPasses()

{

    // PassDriver driver(*origModule);

    // driver.simplifyCFG();

    PassDriver driver(*origModule);

    driver.reg2Mem();

}



void ModuleReverser::runPostprocessLLVMPasses(Module& revModule)