1*0fca6ea1SDimitry Andric //===- MachineFunctionAnalysis.cpp ----------------------------------------===// 2*0fca6ea1SDimitry Andric // 3*0fca6ea1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0fca6ea1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0fca6ea1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0fca6ea1SDimitry Andric // 7*0fca6ea1SDimitry Andric //===----------------------------------------------------------------------===// 8*0fca6ea1SDimitry Andric // 9*0fca6ea1SDimitry Andric // This file contains the definitions of the MachineFunctionAnalysis 10*0fca6ea1SDimitry Andric // members. 11*0fca6ea1SDimitry Andric // 12*0fca6ea1SDimitry Andric //===----------------------------------------------------------------------===// 13*0fca6ea1SDimitry Andric 14*0fca6ea1SDimitry Andric #include "llvm/CodeGen/MachineFunctionAnalysis.h" 15*0fca6ea1SDimitry Andric #include "llvm/CodeGen/MachineFunction.h" 16*0fca6ea1SDimitry Andric #include "llvm/CodeGen/MachineModuleInfo.h" 17*0fca6ea1SDimitry Andric #include "llvm/IR/Function.h" 18*0fca6ea1SDimitry Andric #include "llvm/Target/TargetMachine.h" 19*0fca6ea1SDimitry Andric 20*0fca6ea1SDimitry Andric using namespace llvm; 21*0fca6ea1SDimitry Andric 22*0fca6ea1SDimitry Andric AnalysisKey MachineFunctionAnalysis::Key; 23*0fca6ea1SDimitry Andric 24*0fca6ea1SDimitry Andric bool MachineFunctionAnalysis::Result::invalidate( 25*0fca6ea1SDimitry Andric Function &, const PreservedAnalyses &PA, 26*0fca6ea1SDimitry Andric FunctionAnalysisManager::Invalidator &) { 27*0fca6ea1SDimitry Andric // Unless it is invalidated explicitly, it should remain preserved. 28*0fca6ea1SDimitry Andric auto PAC = PA.getChecker<MachineFunctionAnalysis>(); 29*0fca6ea1SDimitry Andric return !PAC.preservedWhenStateless(); 30*0fca6ea1SDimitry Andric } 31*0fca6ea1SDimitry Andric 32*0fca6ea1SDimitry Andric MachineFunctionAnalysis::Result 33*0fca6ea1SDimitry Andric MachineFunctionAnalysis::run(Function &F, FunctionAnalysisManager &FAM) { 34*0fca6ea1SDimitry Andric auto &Context = F.getContext(); 35*0fca6ea1SDimitry Andric const TargetSubtargetInfo &STI = *TM->getSubtargetImpl(F); 36*0fca6ea1SDimitry Andric auto &MMI = FAM.getResult<ModuleAnalysisManagerFunctionProxy>(F) 37*0fca6ea1SDimitry Andric .getCachedResult<MachineModuleAnalysis>(*F.getParent()) 38*0fca6ea1SDimitry Andric ->getMMI(); 39*0fca6ea1SDimitry Andric auto MF = std::make_unique<MachineFunction>( 40*0fca6ea1SDimitry Andric F, *TM, STI, Context.generateMachineFunctionNum(F), MMI); 41*0fca6ea1SDimitry Andric MF->initTargetMachineFunctionInfo(STI); 42*0fca6ea1SDimitry Andric 43*0fca6ea1SDimitry Andric // MRI callback for target specific initializations. 44*0fca6ea1SDimitry Andric TM->registerMachineRegisterInfoCallback(*MF); 45*0fca6ea1SDimitry Andric 46*0fca6ea1SDimitry Andric return Result(std::move(MF)); 47*0fca6ea1SDimitry Andric } 48