//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "jit"
#include "JIT.h"
-#include "JITDebugRegisterer.h"
-#include "JITDwarfEmitter.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Analysis/DebugInfo.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/JITCodeEmitter.h"
-#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineCodeInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRelocation.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/ExecutionEngine/JITEventListener.h"
#include "llvm/ExecutionEngine/JITMemoryManager.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetJITInfo.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/IR/ValueMap.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Memory.h"
#include "llvm/Support/MutexGuard.h"
-#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Disassembler.h"
-#include "llvm/Support/Memory.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/ValueMap.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetJITInfo.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
#include <algorithm>
#ifndef NDEBUG
#include <iomanip>
#endif
using namespace llvm;
+#define DEBUG_TYPE "jit"
+
STATISTIC(NumBytes, "Number of bytes of machine code compiled");
STATISTIC(NumRelos, "Number of relocations applied");
STATISTIC(NumRetries, "Number of retries with more memory");
struct NoRAUWValueMapConfig : public ValueMapConfig<ValueTy> {
typedef JITResolverState *ExtraData;
static void onRAUW(JITResolverState *, Value *Old, Value *New) {
- assert(false && "The JIT doesn't know how to handle a"
- " RAUW on a value it has emitted.");
+ llvm_unreachable("The JIT doesn't know how to handle a"
+ " RAUW on a value it has emitted.");
}
};
/// particular GlobalVariable so that we can reuse them if necessary.
GlobalToIndirectSymMapTy GlobalToIndirectSymMap;
+#ifndef NDEBUG
/// Instance of the JIT this ResolverState serves.
JIT *TheJIT;
+#endif
public:
JITResolverState(JIT *jit) : FunctionToLazyStubMap(this),
- FunctionToCallSitesMap(this),
- TheJIT(jit) {}
+ FunctionToCallSitesMap(this) {
+#ifndef NDEBUG
+ TheJIT = jit;
+#endif
+ }
- FunctionToLazyStubMapTy& getFunctionToLazyStubMap(
- const MutexGuard& locked) {
- assert(locked.holds(TheJIT->lock));
+ FunctionToLazyStubMapTy& getFunctionToLazyStubMap() {
return FunctionToLazyStubMap;
}
- GlobalToIndirectSymMapTy& getGlobalToIndirectSymMap(const MutexGuard& lck) {
- assert(lck.holds(TheJIT->lock));
+ GlobalToIndirectSymMapTy& getGlobalToIndirectSymMap() {
return GlobalToIndirectSymMap;
}
std::pair<void *, Function *> LookupFunctionFromCallSite(
- const MutexGuard &locked, void *CallSite) const {
- assert(locked.holds(TheJIT->lock));
-
+ void *CallSite) const {
// The address given to us for the stub may not be exactly right, it
// might be a little bit after the stub. As such, use upper_bound to
// find it.
return *I;
}
- void AddCallSite(const MutexGuard &locked, void *CallSite, Function *F) {
- assert(locked.holds(TheJIT->lock));
-
+ void AddCallSite(void *CallSite, Function *F) {
bool Inserted = CallSiteToFunctionMap.insert(
std::make_pair(CallSite, F)).second;
(void)Inserted;
/// Resolver - This contains info about the currently resolved functions.
JITResolver Resolver;
- /// DE - The dwarf emitter for the jit.
- OwningPtr<JITDwarfEmitter> DE;
-
- /// DR - The debug registerer for the jit.
- OwningPtr<JITDebugRegisterer> DR;
-
/// LabelLocations - This vector is a mapping from Label ID's to their
/// address.
DenseMap<MCSymbol*, uintptr_t> LabelLocations;
void *FunctionBody; // Beginning of the function's allocation.
void *Code; // The address the function's code actually starts at.
void *ExceptionTable;
- EmittedCode() : FunctionBody(0), Code(0), ExceptionTable(0) {}
+ EmittedCode() : FunctionBody(nullptr), Code(nullptr),
+ ExceptionTable(nullptr) {}
};
struct EmittedFunctionConfig : public ValueMapConfig<const Function*> {
typedef JITEmitter *ExtraData;
public:
JITEmitter(JIT &jit, JITMemoryManager *JMM, TargetMachine &TM)
- : SizeEstimate(0), Resolver(jit, *this), MMI(0), CurFn(0),
+ : SizeEstimate(0), Resolver(jit, *this), MMI(nullptr), CurFn(nullptr),
EmittedFunctions(this), TheJIT(&jit) {
MemMgr = JMM ? JMM : JITMemoryManager::CreateDefaultMemManager();
if (jit.getJITInfo().needsGOT()) {
DEBUG(dbgs() << "JIT is managing a GOT\n");
}
- if (JITExceptionHandling || JITEmitDebugInfo) {
- DE.reset(new JITDwarfEmitter(jit));
- }
- if (JITEmitDebugInfo) {
- DR.reset(new JITDebugRegisterer(TM));
- }
}
~JITEmitter() {
delete MemMgr;
}
- /// classof - Methods for support type inquiry through isa, cast, and
- /// dyn_cast:
- ///
- static inline bool classof(const MachineCodeEmitter*) { return true; }
-
JITResolver &getJITResolver() { return Resolver; }
- virtual void startFunction(MachineFunction &F);
- virtual bool finishFunction(MachineFunction &F);
+ void startFunction(MachineFunction &F) override;
+ bool finishFunction(MachineFunction &F) override;
void emitConstantPool(MachineConstantPool *MCP);
void initJumpTableInfo(MachineJumpTableInfo *MJTI);
unsigned StubSize, unsigned Alignment = 1);
void startGVStub(void *Buffer, unsigned StubSize);
void finishGVStub();
- virtual void *allocIndirectGV(const GlobalValue *GV,
- const uint8_t *Buffer, size_t Size,
- unsigned Alignment);
+ void *allocIndirectGV(const GlobalValue *GV, const uint8_t *Buffer,
+ size_t Size, unsigned Alignment) override;
/// allocateSpace - Reserves space in the current block if any, or
/// allocate a new one of the given size.
- virtual void *allocateSpace(uintptr_t Size, unsigned Alignment);
+ void *allocateSpace(uintptr_t Size, unsigned Alignment) override;
/// allocateGlobal - Allocate memory for a global. Unlike allocateSpace,
/// this method does not allocate memory in the current output buffer,
/// because a global may live longer than the current function.
- virtual void *allocateGlobal(uintptr_t Size, unsigned Alignment);
+ void *allocateGlobal(uintptr_t Size, unsigned Alignment) override;
- virtual void addRelocation(const MachineRelocation &MR) {
+ void addRelocation(const MachineRelocation &MR) override {
Relocations.push_back(MR);
}
- virtual void StartMachineBasicBlock(MachineBasicBlock *MBB) {
+ void StartMachineBasicBlock(MachineBasicBlock *MBB) override {
if (MBBLocations.size() <= (unsigned)MBB->getNumber())
MBBLocations.resize((MBB->getNumber()+1)*2);
MBBLocations[MBB->getNumber()] = getCurrentPCValue();
<< (void*) getCurrentPCValue() << "]\n");
}
- virtual uintptr_t getConstantPoolEntryAddress(unsigned Entry) const;
- virtual uintptr_t getJumpTableEntryAddress(unsigned Entry) const;
+ uintptr_t getConstantPoolEntryAddress(unsigned Entry) const override;
+ uintptr_t getJumpTableEntryAddress(unsigned Entry) const override;
- virtual uintptr_t getMachineBasicBlockAddress(MachineBasicBlock *MBB) const{
+ uintptr_t
+ getMachineBasicBlockAddress(MachineBasicBlock *MBB) const override {
assert(MBBLocations.size() > (unsigned)MBB->getNumber() &&
MBBLocations[MBB->getNumber()] && "MBB not emitted!");
return MBBLocations[MBB->getNumber()];
/// function body.
void deallocateMemForFunction(const Function *F);
- virtual void processDebugLoc(DebugLoc DL, bool BeforePrintingInsn);
+ void processDebugLoc(DebugLoc DL, bool BeforePrintingInsn) override;
- virtual void emitLabel(MCSymbol *Label) {
+ void emitLabel(MCSymbol *Label) override {
LabelLocations[Label] = getCurrentPCValue();
}
- virtual DenseMap<MCSymbol*, uintptr_t> *getLabelLocations() {
+ DenseMap<MCSymbol*, uintptr_t> *getLabelLocations() override {
return &LabelLocations;
}
- virtual uintptr_t getLabelAddress(MCSymbol *Label) const {
+ uintptr_t getLabelAddress(MCSymbol *Label) const override {
assert(LabelLocations.count(Label) && "Label not emitted!");
return LabelLocations.find(Label)->second;
}
- virtual void setModuleInfo(MachineModuleInfo* Info) {
+ void setModuleInfo(MachineModuleInfo* Info) override {
MMI = Info;
- if (DE.get()) DE->setModuleInfo(Info);
}
private:
MutexGuard locked(TheJIT->lock);
// If we already have a stub for this function, recycle it.
- return state.getFunctionToLazyStubMap(locked).lookup(F);
+ return state.getFunctionToLazyStubMap().lookup(F);
}
/// getFunctionStub - This returns a pointer to a function stub, creating
MutexGuard locked(TheJIT->lock);
// If we already have a lazy stub for this function, recycle it.
- void *&Stub = state.getFunctionToLazyStubMap(locked)[F];
+ void *&Stub = state.getFunctionToLazyStubMap()[F];
if (Stub) return Stub;
// Call the lazy resolver function if we are JIT'ing lazily. Otherwise we
// must resolve the symbol now.
void *Actual = TheJIT->isCompilingLazily()
- ? (void *)(intptr_t)LazyResolverFn : (void *)0;
+ ? (void *)(intptr_t)LazyResolverFn : (void *)nullptr;
// If this is an external declaration, attempt to resolve the address now
// to place in the stub.
// If we resolved the symbol to a null address (eg. a weak external)
// don't emit a stub. Return a null pointer to the application.
- if (!Actual) return 0;
+ if (!Actual) return nullptr;
}
TargetJITInfo::StubLayout SL = TheJIT->getJITInfo().getStubLayout();
// Finally, keep track of the stub-to-Function mapping so that the
// JITCompilerFn knows which function to compile!
- state.AddCallSite(locked, Stub, F);
+ state.AddCallSite(Stub, F);
} else if (!Actual) {
// If we are JIT'ing non-lazily but need to call a function that does not
// exist yet, add it to the JIT's work list so that we can fill in the
MutexGuard locked(TheJIT->lock);
// If we already have a stub for this global variable, recycle it.
- void *&IndirectSym = state.getGlobalToIndirectSymMap(locked)[GV];
+ void *&IndirectSym = state.getGlobalToIndirectSymMap()[GV];
if (IndirectSym) return IndirectSym;
// Otherwise, codegen a new indirect symbol.
if (Stub) return Stub;
TargetJITInfo::StubLayout SL = TheJIT->getJITInfo().getStubLayout();
- JE.startGVStub(0, SL.Size, SL.Alignment);
- Stub = TheJIT->getJITInfo().emitFunctionStub(0, FnAddr, JE);
+ JE.startGVStub(nullptr, SL.Size, SL.Alignment);
+ Stub = TheJIT->getJITInfo().emitFunctionStub(nullptr, FnAddr, JE);
JE.finishGVStub();
DEBUG(dbgs() << "JIT: Stub emitted at [" << Stub
JITResolver *JR = StubToResolverMap->getResolverFromStub(Stub);
assert(JR && "Unable to find the corresponding JITResolver to the call site");
- Function* F = 0;
- void* ActualPtr = 0;
+ Function* F = nullptr;
+ void* ActualPtr = nullptr;
{
// Only lock for getting the Function. The call getPointerToFunction made
// The address given to us for the stub may not be exactly right, it might
// be a little bit after the stub. As such, use upper_bound to find it.
std::pair<void*, Function*> I =
- JR->state.LookupFunctionFromCallSite(locked, Stub);
+ JR->state.LookupFunctionFromCallSite(Stub);
F = I.second;
ActualPtr = I.first;
}
DEBUG(dbgs() << "JIT: Lazily resolving function '" << F->getName()
<< "' In stub ptr = " << Stub << " actual ptr = "
<< ActualPtr << "\n");
+ (void)ActualPtr;
Result = JR->TheJIT->getPointerToFunction(F);
}
//===----------------------------------------------------------------------===//
// JITEmitter code.
//
+
+static GlobalObject *getSimpleAliasee(Constant *C) {
+ C = C->stripPointerCasts();
+ return dyn_cast<GlobalObject>(C);
+}
+
void *JITEmitter::getPointerToGlobal(GlobalValue *V, void *Reference,
bool MayNeedFarStub) {
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
return TheJIT->getOrEmitGlobalVariable(GV);
- if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V))
- return TheJIT->getPointerToGlobal(GA->resolveAliasedGlobal(false));
+ if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
+ // We can only handle simple cases.
+ if (GlobalValue *GV = getSimpleAliasee(GA->getAliasee()))
+ return TheJIT->getPointerToGlobal(GV);
+ return nullptr;
+ }
// If we have already compiled the function, return a pointer to its body.
Function *F = cast<Function>(V);
const LLVMContext &Context = EmissionDetails.MF->getFunction()->getContext();
- if (DL.getScope(Context) != 0 && PrevDL != DL) {
+ if (DL.getScope(Context) != nullptr && PrevDL != DL) {
JITEvent_EmittedFunctionDetails::LineStart NextLine;
NextLine.Address = getCurrentPCValue();
NextLine.Loc = DL;
}
static unsigned GetConstantPoolSizeInBytes(MachineConstantPool *MCP,
- const TargetData *TD) {
+ const DataLayout *TD) {
const std::vector<MachineConstantPoolEntry> &Constants = MCP->getConstants();
if (Constants.empty()) return 0;
MachineConstantPoolEntry CPE = Constants[i];
unsigned AlignMask = CPE.getAlignment() - 1;
Size = (Size + AlignMask) & ~AlignMask;
- const Type *Ty = CPE.getType();
+ Type *Ty = CPE.getType();
Size += TD->getTypeAllocSize(Ty);
}
return Size;
void JITEmitter::startFunction(MachineFunction &F) {
DEBUG(dbgs() << "JIT: Starting CodeGen of Function "
- << F.getFunction()->getName() << "\n");
+ << F.getName() << "\n");
uintptr_t ActualSize = 0;
// Set the memory writable, if it's not already
// Resolve the relocations to concrete pointers.
for (unsigned i = 0, e = Relocations.size(); i != e; ++i) {
MachineRelocation &MR = Relocations[i];
- void *ResultPtr = 0;
+ void *ResultPtr = nullptr;
if (!MR.letTargetResolve()) {
if (MR.isExternalSymbol()) {
ResultPtr = TheJIT->getPointerToNamedFunction(MR.getExternalSymbol(),
}
}
- CurFn = 0;
+ CurFn = nullptr;
TheJIT->getJITInfo().relocate(BufferBegin, &Relocations[0],
Relocations.size(), MemMgr->getGOTBase());
}
SizeEstimate = 0;
}
- BufferBegin = CurBufferPtr = 0;
+ BufferBegin = CurBufferPtr = nullptr;
NumBytes += FnEnd-FnStart;
// Invalidate the icache if necessary.
PrevDL = DebugLoc();
DEBUG(dbgs() << "JIT: Finished CodeGen of [" << (void*)FnStart
- << "] Function: " << F.getFunction()->getName()
+ << "] Function: " << F.getName()
<< ": " << (FnEnd-FnStart) << " bytes of text, "
<< Relocations.size() << " relocations\n");
MemMgr->setMemoryExecutable();
DEBUG({
- if (sys::hasDisassembler()) {
- dbgs() << "JIT: Disassembled code:\n";
- dbgs() << sys::disassembleBuffer(FnStart, FnEnd-FnStart,
- (uintptr_t)FnStart);
- } else {
dbgs() << "JIT: Binary code:\n";
uint8_t* q = FnStart;
for (int i = 0; q < FnEnd; q += 4, ++i) {
dbgs() << '\n';
}
dbgs()<< '\n';
- }
});
- if (JITExceptionHandling || JITEmitDebugInfo) {
- uintptr_t ActualSize = 0;
- SavedBufferBegin = BufferBegin;
- SavedBufferEnd = BufferEnd;
- SavedCurBufferPtr = CurBufferPtr;
-
- BufferBegin = CurBufferPtr = MemMgr->startExceptionTable(F.getFunction(),
- ActualSize);
- BufferEnd = BufferBegin+ActualSize;
- EmittedFunctions[F.getFunction()].ExceptionTable = BufferBegin;
- uint8_t *EhStart;
- uint8_t *FrameRegister = DE->EmitDwarfTable(F, *this, FnStart, FnEnd,
- EhStart);
- MemMgr->endExceptionTable(F.getFunction(), BufferBegin, CurBufferPtr,
- FrameRegister);
- uint8_t *EhEnd = CurBufferPtr;
- BufferBegin = SavedBufferBegin;
- BufferEnd = SavedBufferEnd;
- CurBufferPtr = SavedCurBufferPtr;
-
- if (JITExceptionHandling) {
- TheJIT->RegisterTable(F.getFunction(), FrameRegister);
- }
-
- if (JITEmitDebugInfo) {
- DebugInfo I;
- I.FnStart = FnStart;
- I.FnEnd = FnEnd;
- I.EhStart = EhStart;
- I.EhEnd = EhEnd;
- DR->RegisterFunction(F.getFunction(), I);
- }
- }
-
if (MMI)
MMI->EndFunction();
Emitted = EmittedFunctions.find(F);
if (Emitted != EmittedFunctions.end()) {
MemMgr->deallocateFunctionBody(Emitted->second.FunctionBody);
- MemMgr->deallocateExceptionTable(Emitted->second.ExceptionTable);
TheJIT->NotifyFreeingMachineCode(Emitted->second.Code);
EmittedFunctions.erase(Emitted);
}
-
- if(JITExceptionHandling) {
- TheJIT->DeregisterTable(F);
- }
-
- if (JITEmitDebugInfo) {
- DR->UnregisterFunction(F);
- }
}
-void* JITEmitter::allocateSpace(uintptr_t Size, unsigned Alignment) {
+void *JITEmitter::allocateSpace(uintptr_t Size, unsigned Alignment) {
if (BufferBegin)
return JITCodeEmitter::allocateSpace(Size, Alignment);
return CurBufferPtr;
}
-void* JITEmitter::allocateGlobal(uintptr_t Size, unsigned Alignment) {
+void *JITEmitter::allocateGlobal(uintptr_t Size, unsigned Alignment) {
// Delegate this call through the memory manager.
return MemMgr->allocateGlobal(Size, Alignment);
}
const std::vector<MachineConstantPoolEntry> &Constants = MCP->getConstants();
if (Constants.empty()) return;
- unsigned Size = GetConstantPoolSizeInBytes(MCP, TheJIT->getTargetData());
+ unsigned Size = GetConstantPoolSizeInBytes(MCP, TheJIT->getDataLayout());
unsigned Align = MCP->getConstantPoolAlignment();
ConstantPoolBase = allocateSpace(Size, Align);
ConstantPool = MCP;
- if (ConstantPoolBase == 0) return; // Buffer overflow.
+ if (!ConstantPoolBase) return; // Buffer overflow.
DEBUG(dbgs() << "JIT: Emitted constant pool at [" << ConstantPoolBase
<< "] (size: " << Size << ", alignment: " << Align << ")\n");
DEBUG(dbgs() << "JIT: CP" << i << " at [0x";
dbgs().write_hex(CAddr) << "]\n");
- const Type *Ty = CPE.Val.ConstVal->getType();
- Offset += TheJIT->getTargetData()->getTypeAllocSize(Ty);
+ Type *Ty = CPE.Val.ConstVal->getType();
+ Offset += TheJIT->getDataLayout()->getTypeAllocSize(Ty);
}
}
for (unsigned i = 0, e = JT.size(); i != e; ++i)
NumEntries += JT[i].MBBs.size();
- unsigned EntrySize = MJTI->getEntrySize(*TheJIT->getTargetData());
+ unsigned EntrySize = MJTI->getEntrySize(*TheJIT->getDataLayout());
// Just allocate space for all the jump tables now. We will fix up the actual
// MBB entries in the tables after we emit the code for each block, since then
// we will know the final locations of the MBBs in memory.
JumpTable = MJTI;
JumpTableBase = allocateSpace(NumEntries * EntrySize,
- MJTI->getEntryAlignment(*TheJIT->getTargetData()));
+ MJTI->getEntryAlignment(*TheJIT->getDataLayout()));
}
void JITEmitter::emitJumpTableInfo(MachineJumpTableInfo *MJTI) {
return;
const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
- if (JT.empty() || JumpTableBase == 0) return;
+ if (JT.empty() || !JumpTableBase) return;
switch (MJTI->getEntryKind()) {
case MachineJumpTableInfo::EK_BlockAddress: {
// EK_BlockAddress - Each entry is a plain address of block, e.g.:
// .word LBB123
- assert(MJTI->getEntrySize(*TheJIT->getTargetData()) == sizeof(void*) &&
+ assert(MJTI->getEntrySize(*TheJIT->getDataLayout()) == sizeof(void*) &&
"Cross JIT'ing?");
// For each jump table, map each target in the jump table to the address of
case MachineJumpTableInfo::EK_Custom32:
case MachineJumpTableInfo::EK_GPRel32BlockAddress:
case MachineJumpTableInfo::EK_LabelDifference32: {
- assert(MJTI->getEntrySize(*TheJIT->getTargetData()) == 4&&"Cross JIT'ing?");
+ assert(MJTI->getEntrySize(*TheJIT->getDataLayout()) == 4&&"Cross JIT'ing?");
// For each jump table, place the offset from the beginning of the table
// to the target address.
int *SlotPtr = (int*)JumpTableBase;
}
break;
}
+ case MachineJumpTableInfo::EK_GPRel64BlockAddress:
+ llvm_unreachable(
+ "JT Info emission not implemented for GPRel64BlockAddress yet.");
}
}
const std::vector<MachineJumpTableEntry> &JT = JumpTable->getJumpTables();
assert(Index < JT.size() && "Invalid jump table index!");
- unsigned EntrySize = JumpTable->getEntrySize(*TheJIT->getTargetData());
+ unsigned EntrySize = JumpTable->getEntrySize(*TheJIT->getDataLayout());
unsigned Offset = 0;
for (unsigned i = 0; i < Index; ++i)
return Addr;
// Get a stub if the target supports it.
- assert(isa<JITEmitter>(JCE) && "Unexpected MCE?");
- JITEmitter *JE = cast<JITEmitter>(getCodeEmitter());
+ JITEmitter *JE = static_cast<JITEmitter*>(getCodeEmitter());
return JE->getJITResolver().getLazyFunctionStub(F);
}
-void JIT::updateFunctionStub(Function *F) {
+void JIT::updateFunctionStubUnlocked(Function *F) {
// Get the empty stub we generated earlier.
- assert(isa<JITEmitter>(JCE) && "Unexpected MCE?");
- JITEmitter *JE = cast<JITEmitter>(getCodeEmitter());
+ JITEmitter *JE = static_cast<JITEmitter*>(getCodeEmitter());
void *Stub = JE->getJITResolver().getLazyFunctionStub(F);
void *Addr = getPointerToGlobalIfAvailable(F);
assert(Addr != Stub && "Function must have non-stub address to be updated.");
void JIT::freeMachineCodeForFunction(Function *F) {
// Delete translation for this from the ExecutionEngine, so it will get
// retranslated next time it is used.
- updateGlobalMapping(F, 0);
+ updateGlobalMapping(F, nullptr);
// Free the actual memory for the function body and related stuff.
- assert(isa<JITEmitter>(JCE) && "Unexpected MCE?");
- cast<JITEmitter>(JCE)->deallocateMemForFunction(F);
+ static_cast<JITEmitter*>(JCE)->deallocateMemForFunction(F);
}