bool doFinalization(Module &M) override;
/// Emit the specified function out to the OutStreamer.
- bool runOnMachineFunction(MachineFunction &MF) override {
- SetupMachineFunction(MF);
- EmitFunctionBody();
- return false;
- }
+ bool runOnMachineFunction(MachineFunction &MF) override;
//===------------------------------------------------------------------===//
// Coarse grained IR lowering routines.
+++ /dev/null
-//===-- MachineFunctionAnalysis.h - Owner of MachineFunctions ----*-C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares the MachineFunctionAnalysis class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_MACHINEFUNCTIONANALYSIS_H
-#define LLVM_CODEGEN_MACHINEFUNCTIONANALYSIS_H
-
-#include "llvm/Pass.h"
-
-namespace llvm {
-
-class MachineFunction;
-class MachineFunctionInitializer;
-class TargetMachine;
-
-/// MachineFunctionAnalysis - This class is a Pass that manages a
-/// MachineFunction object.
-struct MachineFunctionAnalysis : public FunctionPass {
-private:
- const TargetMachine &TM;
- MachineFunction *MF;
- unsigned NextFnNum;
- MachineFunctionInitializer *MFInitializer;
-
-public:
- static char ID;
- explicit MachineFunctionAnalysis(const TargetMachine &tm,
- MachineFunctionInitializer *MFInitializer);
- ~MachineFunctionAnalysis() override;
-
- MachineFunction &getMF() const { return *MF; }
-
- const char* getPassName() const override {
- return "Machine Function Analysis";
- }
-
-private:
- bool doInitialization(Module &M) override;
- bool runOnFunction(Function &F) override;
- void releaseMemory() override;
- void getAnalysisUsage(AnalysisUsage &AU) const override;
-};
-
-} // End llvm namespace
-
-#endif
class MDNode;
class MMIAddrLabelMap;
class MachineBasicBlock;
+class MachineFunctionInitializer;
class MachineFunction;
class Module;
class PointerType;
/// schemes and reformated for specific use.
///
class MachineModuleInfo : public ImmutablePass {
+ const TargetMachine &TM;
+
/// Context - This is the MCContext used for the entire code generator.
MCContext Context;
EHPersonality PersonalityTypeCache;
+ MachineFunctionInitializer *MFInitializer;
+ /// Maps IR Functions to their corresponding MachineFunctions.
+ DenseMap<const Function*, std::unique_ptr<MachineFunction>> MachineFunctions;
+ const Function *LastRequest = nullptr; ///< Used for shortcut/cache.
+ MachineFunction *LastResult = nullptr; ///< Used for shortcut/cache.
+
public:
static char ID; // Pass identification, replacement for typeid
MachineModuleInfo(); // DUMMY CONSTRUCTOR, DO NOT CALL.
// Real constructor.
- MachineModuleInfo(const MCAsmInfo &MAI, const MCRegisterInfo &MRI,
- const MCObjectFileInfo *MOFI);
+ MachineModuleInfo(const TargetMachine &TM, const MCAsmInfo &MAI,
+ const MCRegisterInfo &MRI, const MCObjectFileInfo *MOFI,
+ MachineFunctionInitializer *MFInitializer = nullptr);
~MachineModuleInfo() override;
// Initialization and Finalization
void setModule(const Module *M) { TheModule = M; }
const Module *getModule() const { return TheModule; }
+ /// Returns the MachineFunction constructed for the IR function \p F.
+ /// Creates a new MachineFunction and runs the MachineFunctionInitializer
+ /// if none exists yet.
+ MachineFunction &getMachineFunction(const Function &F);
+
+ /// \brief Delete the MachineFunction \p MF and reset the link in the IR
+ /// Function to Machine Function map.
+ void deleteMachineFunction(MachineFunction &MF);
+
/// getInfo - Keep track of various per-function pieces of information for
/// backends that would like to do so.
///
bool DisableVerify = true) override;
/// Add MachineModuleInfo pass to pass manager.
- MachineModuleInfo &addMachineModuleInfo(PassManagerBase &PM) const;
-
- /// Add MachineFunctionAnalysis pass to pass manager.
- void addMachineFunctionAnalysis(PassManagerBase &PM,
- MachineFunctionInitializer *MFInitializer) const;
+ MachineModuleInfo &addMachineModuleInfo(PassManagerBase &PM,
+ MachineFunctionInitializer *MFI = nullptr) const;
};
} // End llvm namespace
return true;
}
+bool AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+ SetupMachineFunction(MF);
+ EmitFunctionBody();
+ MachineModuleInfo &MMI = getAnalysis<MachineModuleInfo>();
+ MMI.deleteMachineFunction(MF);
+ return false;
+}
GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(GCStrategy &S) {
if (!S.usesMetadata())
MachineCSE.cpp
MachineDominanceFrontier.cpp
MachineDominators.cpp
- MachineFunctionAnalysis.cpp
MachineFunction.cpp
MachineFunctionPass.cpp
MachineFunctionPrinterPass.cpp
#include "llvm/Analysis/Passes.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
}
MachineModuleInfo &
-LLVMTargetMachine::addMachineModuleInfo(PassManagerBase &PM) const {
- MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(),
+LLVMTargetMachine::addMachineModuleInfo(PassManagerBase &PM,
+ MachineFunctionInitializer *MFI) const {
+ MachineModuleInfo *MMI = new MachineModuleInfo(*this, *getMCAsmInfo(),
*getMCRegisterInfo(),
- getObjFileLowering());
+ getObjFileLowering(), MFI);
PM.add(MMI);
return *MMI;
}
-void LLVMTargetMachine::addMachineFunctionAnalysis(PassManagerBase &PM,
- MachineFunctionInitializer *MFInitializer) const {
- PM.add(new MachineFunctionAnalysis(*this, MFInitializer));
-}
-
/// addPassesToX helper drives creation and initialization of TargetPassConfig.
static MCContext *
addPassesToGenerateCode(LLVMTargetMachine *TM, PassManagerBase &PM,
PassConfig->addISelPrepare();
- MachineModuleInfo &MMI = TM->addMachineModuleInfo(PM);
- TM->addMachineFunctionAnalysis(PM, MFInitializer);
+ MachineModuleInfo &MMI = TM->addMachineModuleInfo(PM, MFInitializer);
// Enable FastISel with -fast, but allow that to be overridden.
TM->setO0WantsFastISel(EnableFastISelOption != cl::BOU_FALSE);
+++ /dev/null
-//===-- MachineFunctionAnalysis.cpp ---------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the definitions of the MachineFunctionAnalysis members.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
-#include "llvm/CodeGen/GCMetadata.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineFunctionInitializer.h"
-using namespace llvm;
-
-char MachineFunctionAnalysis::ID = 0;
-
-MachineFunctionAnalysis::MachineFunctionAnalysis(
- const TargetMachine &tm, MachineFunctionInitializer *MFInitializer)
- : FunctionPass(ID), TM(tm), MF(nullptr), MFInitializer(MFInitializer) {
- initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry());
-}
-
-MachineFunctionAnalysis::~MachineFunctionAnalysis() {
- releaseMemory();
- assert(!MF && "MachineFunctionAnalysis left initialized!");
-}
-
-void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- AU.addRequired<MachineModuleInfo>();
-}
-
-bool MachineFunctionAnalysis::doInitialization(Module &M) {
- MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
- assert(MMI && "MMI not around yet??");
- MMI->setModule(&M);
- NextFnNum = 0;
- return false;
-}
-
-
-bool MachineFunctionAnalysis::runOnFunction(Function &F) {
- assert(!MF && "MachineFunctionAnalysis already initialized!");
- MF = new MachineFunction(&F, TM, NextFnNum++,
- getAnalysis<MachineModuleInfo>());
- if (MFInitializer) {
- if (MFInitializer->initializeMachineFunction(*MF))
- report_fatal_error("Unable to initialize machine function");
- }
- return false;
-}
-
-void MachineFunctionAnalysis::releaseMemory() {
- delete MF;
- MF = nullptr;
-}
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Dominators.h"
if (F.hasAvailableExternallyLinkage())
return false;
- MachineFunction &MF = getAnalysis<MachineFunctionAnalysis>().getMF();
+ MachineModuleInfo &MMI = getAnalysis<MachineModuleInfo>();
+ MachineFunction &MF = MMI.getMachineFunction(F);
+
MachineFunctionProperties &MFProps = MF.getProperties();
#ifndef NDEBUG
}
void MachineFunctionPass::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<MachineFunctionAnalysis>();
- AU.addPreserved<MachineFunctionAnalysis>();
+ AU.addRequired<MachineModuleInfo>();
+ AU.addPreserved<MachineModuleInfo>();
// MachineFunctionPass preserves all LLVM IR passes, but there's no
// high-level way to express this. Instead, just list a bunch of
#include "llvm/Analysis/EHPersonalities.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFunctionInitializer.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/Constants.h"
//===----------------------------------------------------------------------===//
-MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI,
+MachineModuleInfo::MachineModuleInfo(const TargetMachine &TM,
+ const MCAsmInfo &MAI,
const MCRegisterInfo &MRI,
- const MCObjectFileInfo *MOFI)
- : ImmutablePass(ID), Context(&MAI, &MRI, MOFI, nullptr, false) {
+ const MCObjectFileInfo *MOFI,
+ MachineFunctionInitializer *MFI)
+ : ImmutablePass(ID), TM(TM), Context(&MAI, &MRI, MOFI, nullptr, false),
+ MFInitializer(MFI) {
initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry());
}
MachineModuleInfo::MachineModuleInfo()
- : ImmutablePass(ID), Context(nullptr, nullptr, nullptr) {
+ : ImmutablePass(ID), TM(*((TargetMachine*)nullptr)),
+ Context(nullptr, nullptr, nullptr) {
llvm_unreachable("This MachineModuleInfo constructor should never be called, "
"MMI should always be explicitly constructed by "
"LLVMTargetMachine");
DbgInfoAvailable = UsesVAFloatArgument = UsesMorestackAddr = false;
PersonalityTypeCache = EHPersonality::Unknown;
AddrLabelSymbols = nullptr;
- TheModule = nullptr;
+ TheModule = &M;
return false;
}
FilterIds.push_back(0); // terminator
return FilterID;
}
+
+MachineFunction &MachineModuleInfo::getMachineFunction(const Function &F) {
+ // Shortcut for the common case where a sequence of MachineFunctionPasses
+ // all query for the same Function.
+ if (LastRequest == &F)
+ return *LastResult;
+
+ auto I = MachineFunctions.insert(
+ std::make_pair(&F, std::unique_ptr<MachineFunction>()));
+ MachineFunction *MF;
+ if (I.second) {
+ // No pre-existing machine function, create a new one.
+ unsigned FunctionNum = (unsigned)MachineFunctions.size() - 1;
+ MF = new MachineFunction(&F, TM, FunctionNum, *this);
+ // Update the set entry.
+ I.first->second.reset(MF);
+
+ if (MFInitializer)
+ if (MFInitializer->initializeMachineFunction(*MF))
+ report_fatal_error("Unable to initialize machine function");
+ } else {
+ MF = I.first->second.get();
+ }
+
+ LastRequest = &F;
+ LastResult = MF;
+ return *MF;
+}
+
+void MachineModuleInfo::deleteMachineFunction(MachineFunction &MF) {
+ if (LastResult == &MF) {
+ LastRequest = nullptr;
+ LastResult = nullptr;
+ }
+
+ auto I = MachineFunctions.find(MF.getFunction());
+ assert(I != MachineFunctions.end() && "MachineFunction is known");
+ I->second.reset(nullptr);
+}
#include "llvm/CodeGen/LivePhysRegs.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addPreserved<MachineFunctionAnalysis>();
- AU.addRequired<MachineFunctionAnalysis>();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<MachinePostDominatorTree>();
AU.addRequired<MachineLoopInfo>();
+ MachineFunctionPass::getAnalysisUsage(AU);
}
/// Perform the CFG structurization
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/PostDominators.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
virtual void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<DominatorTreeWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
- AU.addPreserved<MachineFunctionAnalysis>();
FunctionPass::getAnalysisUsage(AU);
}
private:
#include "HexagonTargetMachine.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveVariables.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
//
//===----------------------------------------------------------------------===//
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addRequired<MachineFunctionAnalysis>();
- AU.addPreserved<MachineFunctionAnalysis>();
AU.addPreserved<StackProtector>();
FunctionPass::getAnalysisUsage(AU);
}
#include "HexagonVLIWPacketizer.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
//===----------------------------------------------------------------------===//
#include "NVPTXAllocaHoisting.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
NVPTXAllocaHoisting() : FunctionPass(ID) {}
void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addPreserved<MachineFunctionAnalysis>();
AU.addPreserved<StackProtector>();
}
#include "NVPTX.h"
#include "MCTargetDesc/NVPTXBaseInfo.h"
#include "NVPTXUtilities.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
//===----------------------------------------------------------------------===//
#include "NVPTXLowerAggrCopies.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
NVPTXLowerAggrCopies() : FunctionPass(ID) {}
void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addPreserved<MachineFunctionAnalysis>();
AU.addPreserved<StackProtector>();
}
#include "NVPTXTargetTransformInfo.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
; STOP: -loop-reduce
; STOP: Loop Strength Reduction
-; STOP-NEXT: Machine Function Analysis
; STOP-NEXT: MIR Printing Pass
; START: -machine-branch-prob -pre-isel-intrinsic-lowering
; This must use movl of the stub, not an lea, since the function isn't being
; emitted here.
-; CHECK: movl L__ZNSbIcED1Ev$non_lazy_ptr-L1$pb(
+; CHECK: movl L__ZNSbIcED1Ev$non_lazy_ptr-L0$pb(
LLVMTargetMachine &LLVMTM = static_cast<LLVMTargetMachine&>(*Target);
TargetPassConfig &TPC = *LLVMTM.createPassConfig(PM);
PM.add(&TPC);
- LLVMTM.addMachineModuleInfo(PM);
- LLVMTM.addMachineFunctionAnalysis(PM, MIR.get());
+ LLVMTM.addMachineModuleInfo(PM, MIR.get());
TPC.printAndVerify("");
for (const std::string &RunPassName : *RunPassNames) {
return nullptr;
const LLVMTargetMachine &LLVMTM = static_cast<const LLVMTargetMachine&>(TM);
- LLVMTM.addMachineModuleInfo(PM);
- LLVMTM.addMachineFunctionAnalysis(PM, MIR.get());
+ LLVMTM.addMachineModuleInfo(PM, MIR.get());
return M;
}