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📄 AlwaysInliner.cpp(6.51 KB)
📄 ArgumentPromotion.cpp(44.76 KB)
📄 Attributor.cpp(81.04 KB)
📄 AttributorAttributes.cpp(269.7 KB)
📄 BarrierNoopPass.cpp(1.67 KB)
📄 BlockExtractor.cpp(8.17 KB)
📄 CalledValuePropagation.cpp(17.71 KB)
📄 ConstantMerge.cpp(9.59 KB)
📄 CrossDSOCFI.cpp(5.98 KB)
📄 DeadArgumentElimination.cpp(42.84 KB)
📄 ElimAvailExtern.cpp(3.14 KB)
📄 ExtractGV.cpp(5.2 KB)
📄 ForceFunctionAttrs.cpp(4.79 KB)
📄 FunctionAttrs.cpp(55.56 KB)
📄 FunctionImport.cpp(55.28 KB)
📄 GlobalDCE.cpp(15.55 KB)
📄 GlobalOpt.cpp(119.78 KB)
📄 GlobalSplit.cpp(6.92 KB)
📄 HotColdSplitting.cpp(26.27 KB)
📄 IPConstantPropagation.cpp(10.68 KB)
📄 IPO.cpp(4.94 KB)
📄 InferFunctionAttrs.cpp(2.89 KB)
📄 InlineSimple.cpp(4.21 KB)
📄 Inliner.cpp(44.77 KB)
📄 Internalize.cpp(9.52 KB)
📄 LoopExtractor.cpp(7.14 KB)
📄 LowerTypeTests.cpp(83.98 KB)
📄 MergeFunctions.cpp(34.12 KB)
📄 OpenMPOpt.cpp(52.75 KB)
📄 PartialInlining.cpp(55.67 KB)
📄 PassManagerBuilder.cpp(49.21 KB)
📄 PruneEH.cpp(9.54 KB)
📄 SCCP.cpp(3.22 KB)
📄 SampleProfile.cpp(77.15 KB)
📄 StripDeadPrototypes.cpp(2.73 KB)
📄 StripSymbols.cpp(11.7 KB)
📄 SyntheticCountsPropagation.cpp(5.64 KB)
📄 ThinLTOBitcodeWriter.cpp(20.16 KB)
📄 WholeProgramDevirt.cpp(85.02 KB)

Editing: InlineSimple.cpp

//===- InlineSimple.cpp - Code to perform simple function inlining --------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements bottom-up inlining of functions into callees.
//
//===----------------------------------------------------------------------===//

#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/InlineCost.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/InitializePasses.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/IPO/Inliner.h"

using namespace llvm;

#define DEBUG_TYPE "inline"

namespace {

/// Actual inliner pass implementation.
///
/// The common implementation of the inlining logic is shared between this
/// inliner pass and the always inliner pass. The two passes use different cost
/// analyses to determine when to inline.
class SimpleInliner : public LegacyInlinerBase {

InlineParams Params;

public:
  SimpleInliner() : LegacyInlinerBase(ID), Params(llvm::getInlineParams()) {
    initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
  }

explicit SimpleInliner(InlineParams Params)
      : LegacyInlinerBase(ID), Params(std::move(Params)) {
    initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
  }

static char ID; // Pass identification, replacement for typeid

InlineCost getInlineCost(CallBase &CB) override {
    Function *Callee = CB.getCalledFunction();
    TargetTransformInfo &TTI = TTIWP->getTTI(*Callee);

bool RemarksEnabled = false;
    const auto &BBs = CB.getCaller()->getBasicBlockList();
    if (!BBs.empty()) {
      auto DI = OptimizationRemark(DEBUG_TYPE, "", DebugLoc(), &BBs.front());
      if (DI.isEnabled())
        RemarksEnabled = true;
    }
    OptimizationRemarkEmitter ORE(CB.getCaller());

std::function<AssumptionCache &(Function &)> GetAssumptionCache =
        [&](Function &F) -> AssumptionCache & {
      return ACT->getAssumptionCache(F);
    };
    return llvm::getInlineCost(CB, Params, TTI, GetAssumptionCache, GetTLI,
                               /*GetBFI=*/nullptr, PSI,
                               RemarksEnabled ? &ORE : nullptr);
  }

bool runOnSCC(CallGraphSCC &SCC) override;
  void getAnalysisUsage(AnalysisUsage &AU) const override;

private:
  TargetTransformInfoWrapperPass *TTIWP;

};

} // end anonymous namespace

char SimpleInliner::ID = 0;
INITIALIZE_PASS_BEGIN(SimpleInliner, "inline", "Function Integration/Inlining",
                      false, false)
INITIALIZE_PASS_DEPENDENCY(AssumptionCacheTracker)
INITIALIZE_PASS_DEPENDENCY(CallGraphWrapperPass)
INITIALIZE_PASS_DEPENDENCY(ProfileSummaryInfoWrapperPass)
INITIALIZE_PASS_DEPENDENCY(TargetTransformInfoWrapperPass)
INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfoWrapperPass)
INITIALIZE_PASS_END(SimpleInliner, "inline", "Function Integration/Inlining",
                    false, false)

Pass *llvm::createFunctionInliningPass() { return new SimpleInliner(); }

Pass *llvm::createFunctionInliningPass(int Threshold) {
  return new SimpleInliner(llvm::getInlineParams(Threshold));
}

Pass *llvm::createFunctionInliningPass(unsigned OptLevel,
                                       unsigned SizeOptLevel,
                                       bool DisableInlineHotCallSite) {
  auto Param = llvm::getInlineParams(OptLevel, SizeOptLevel);
  if (DisableInlineHotCallSite)
    Param.HotCallSiteThreshold = 0;
  return new SimpleInliner(Param);
}

Pass *llvm::createFunctionInliningPass(InlineParams &Params) {
  return new SimpleInliner(Params);
}

bool SimpleInliner::runOnSCC(CallGraphSCC &SCC) {
  TTIWP = &getAnalysis<TargetTransformInfoWrapperPass>();
  return LegacyInlinerBase::runOnSCC(SCC);
}

void SimpleInliner::getAnalysisUsage(AnalysisUsage &AU) const {
  AU.addRequired<TargetTransformInfoWrapperPass>();
  LegacyInlinerBase::getAnalysisUsage(AU);
}

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Editing: InlineSimple.cpp

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