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//===-------------- PassBuilder bindings for LLVM-C -----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file defines the C bindings to the new pass manager
///
//===----------------------------------------------------------------------===//
#include "llvm-c/Transforms/PassBuilder.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Passes/StandardInstrumentations.h"
#include "llvm/Support/CBindingWrapping.h"
using namespace llvm;
namespace llvm {
/// Helper struct for holding a set of builder options for LLVMRunPasses. This
/// structure is used to keep LLVMRunPasses backwards compatible with future
/// versions in case we modify the options the new Pass Manager utilizes.
class LLVMPassBuilderOptions {
public:
explicit LLVMPassBuilderOptions(
bool DebugLogging = false, bool VerifyEach = false,
const char *AAPipeline = nullptr,
PipelineTuningOptions PTO = PipelineTuningOptions())
: DebugLogging(DebugLogging), VerifyEach(VerifyEach),
AAPipeline(AAPipeline), PTO(PTO) {}
bool DebugLogging;
bool VerifyEach;
const char *AAPipeline;
PipelineTuningOptions PTO;
};
} // namespace llvm
static TargetMachine *unwrap(LLVMTargetMachineRef P) {
return reinterpret_cast<TargetMachine *>(P);
}
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LLVMPassBuilderOptions,
LLVMPassBuilderOptionsRef)
static LLVMErrorRef runPasses(Module *Mod, Function *Fun, const char *Passes,
TargetMachine *Machine,
LLVMPassBuilderOptions *PassOpts) {
bool Debug = PassOpts->DebugLogging;
bool VerifyEach = PassOpts->VerifyEach;
PassInstrumentationCallbacks PIC;
PassBuilder PB(Machine, PassOpts->PTO, std::nullopt, &PIC);
LoopAnalysisManager LAM;
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager MAM;
if (PassOpts->AAPipeline) {
// If we have a custom AA pipeline, we need to register it _before_ calling
// registerFunctionAnalyses, or the default alias analysis pipeline is used.
AAManager AA;
if (auto Err = PB.parseAAPipeline(AA, PassOpts->AAPipeline))
return wrap(std::move(Err));
FAM.registerPass([&] { return std::move(AA); });
}
PB.registerLoopAnalyses(LAM);
PB.registerFunctionAnalyses(FAM);
PB.registerCGSCCAnalyses(CGAM);
PB.registerModuleAnalyses(MAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
StandardInstrumentations SI(Mod->getContext(), Debug, VerifyEach);
SI.registerCallbacks(PIC, &MAM);
// Run the pipeline.
if (Fun) {
FunctionPassManager FPM;
if (VerifyEach)
FPM.addPass(VerifierPass());
if (auto Err = PB.parsePassPipeline(FPM, Passes))
return wrap(std::move(Err));
FPM.run(*Fun, FAM);
} else {
ModulePassManager MPM;
if (VerifyEach)
MPM.addPass(VerifierPass());
if (auto Err = PB.parsePassPipeline(MPM, Passes))
return wrap(std::move(Err));
MPM.run(*Mod, MAM);
}
return LLVMErrorSuccess;
}
LLVMErrorRef LLVMRunPasses(LLVMModuleRef M, const char *Passes,
LLVMTargetMachineRef TM,
LLVMPassBuilderOptionsRef Options) {
TargetMachine *Machine = unwrap(TM);
LLVMPassBuilderOptions *PassOpts = unwrap(Options);
Module *Mod = unwrap(M);
return runPasses(Mod, nullptr, Passes, Machine, PassOpts);
}
LLVMErrorRef LLVMRunPassesOnFunction(LLVMValueRef F, const char *Passes,
LLVMTargetMachineRef TM,
LLVMPassBuilderOptionsRef Options) {
TargetMachine *Machine = unwrap(TM);
LLVMPassBuilderOptions *PassOpts = unwrap(Options);
Function *Fun = unwrap<Function>(F);
return runPasses(Fun->getParent(), Fun, Passes, Machine, PassOpts);
}
LLVMPassBuilderOptionsRef LLVMCreatePassBuilderOptions() {
return wrap(new LLVMPassBuilderOptions());
}
void LLVMPassBuilderOptionsSetVerifyEach(LLVMPassBuilderOptionsRef Options,
LLVMBool VerifyEach) {
unwrap(Options)->VerifyEach = VerifyEach;
}
void LLVMPassBuilderOptionsSetDebugLogging(LLVMPassBuilderOptionsRef Options,
LLVMBool DebugLogging) {
unwrap(Options)->DebugLogging = DebugLogging;
}
void LLVMPassBuilderOptionsSetAAPipeline(LLVMPassBuilderOptionsRef Options,
const char *AAPipeline) {
unwrap(Options)->AAPipeline = AAPipeline;
}
void LLVMPassBuilderOptionsSetLoopInterleaving(
LLVMPassBuilderOptionsRef Options, LLVMBool LoopInterleaving) {
unwrap(Options)->PTO.LoopInterleaving = LoopInterleaving;
}
void LLVMPassBuilderOptionsSetLoopVectorization(
LLVMPassBuilderOptionsRef Options, LLVMBool LoopVectorization) {
unwrap(Options)->PTO.LoopVectorization = LoopVectorization;
}
void LLVMPassBuilderOptionsSetSLPVectorization(
LLVMPassBuilderOptionsRef Options, LLVMBool SLPVectorization) {
unwrap(Options)->PTO.SLPVectorization = SLPVectorization;
}
void LLVMPassBuilderOptionsSetLoopUnrolling(LLVMPassBuilderOptionsRef Options,
LLVMBool LoopUnrolling) {
unwrap(Options)->PTO.LoopUnrolling = LoopUnrolling;
}
void LLVMPassBuilderOptionsSetForgetAllSCEVInLoopUnroll(
LLVMPassBuilderOptionsRef Options, LLVMBool ForgetAllSCEVInLoopUnroll) {
unwrap(Options)->PTO.ForgetAllSCEVInLoopUnroll = ForgetAllSCEVInLoopUnroll;
}
void LLVMPassBuilderOptionsSetLicmMssaOptCap(LLVMPassBuilderOptionsRef Options,
unsigned LicmMssaOptCap) {
unwrap(Options)->PTO.LicmMssaOptCap = LicmMssaOptCap;
}
void LLVMPassBuilderOptionsSetLicmMssaNoAccForPromotionCap(
LLVMPassBuilderOptionsRef Options, unsigned LicmMssaNoAccForPromotionCap) {
unwrap(Options)->PTO.LicmMssaNoAccForPromotionCap =
LicmMssaNoAccForPromotionCap;
}
void LLVMPassBuilderOptionsSetCallGraphProfile(
LLVMPassBuilderOptionsRef Options, LLVMBool CallGraphProfile) {
unwrap(Options)->PTO.CallGraphProfile = CallGraphProfile;
}
void LLVMPassBuilderOptionsSetMergeFunctions(LLVMPassBuilderOptionsRef Options,
LLVMBool MergeFunctions) {
unwrap(Options)->PTO.MergeFunctions = MergeFunctions;
}
void LLVMPassBuilderOptionsSetInlinerThreshold(
LLVMPassBuilderOptionsRef Options, int Threshold) {
unwrap(Options)->PTO.InlinerThreshold = Threshold;
}
void LLVMDisposePassBuilderOptions(LLVMPassBuilderOptionsRef Options) {
delete unwrap(Options);
}
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