#define DEBUG_TYPE "jit"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
-
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/ExecutionEngine/JITMemoryManager.h"
+#include "llvm/ExecutionEngine/ObjectCache.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Host.h"
#include "llvm/Support/MutexGuard.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/DynamicLibrary.h"
-#include "llvm/System/Host.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetMachine.h"
#include <cmath>
#include <cstring>
using namespace llvm;
STATISTIC(NumInitBytes, "Number of bytes of global vars initialized");
STATISTIC(NumGlobals , "Number of global vars initialized");
+// Pin the vtable to this file.
+void ObjectCache::anchor() {}
+void ObjectBuffer::anchor() {}
+void ObjectBufferStream::anchor() {}
+
ExecutionEngine *(*ExecutionEngine::JITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
- CodeGenOpt::Level OptLevel,
bool GVsWithCode,
- CodeModel::Model CMM,
- StringRef MArch,
- StringRef MCPU,
- const SmallVectorImpl<std::string>& MAttrs) = 0;
+ TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::MCJITCtor)(
Module *M,
std::string *ErrorStr,
- JITMemoryManager *JMM,
- CodeGenOpt::Level OptLevel,
+ RTDyldMemoryManager *MCJMM,
bool GVsWithCode,
- CodeModel::Model CMM,
- StringRef MArch,
- StringRef MCPU,
- const SmallVectorImpl<std::string>& MAttrs) = 0;
+ TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::InterpCtor)(Module *M,
std::string *ErrorStr) = 0;
ExecutionEngine::ExecutionEngine(Module *M)
: EEState(*this),
- LazyFunctionCreator(0),
- ExceptionTableRegister(0),
- ExceptionTableDeregister(0) {
+ LazyFunctionCreator(0) {
CompilingLazily = false;
GVCompilationDisabled = false;
SymbolSearchingDisabled = false;
delete Modules[i];
}
-void ExecutionEngine::DeregisterAllTables() {
- if (ExceptionTableDeregister) {
- for (std::vector<void*>::iterator it = AllExceptionTables.begin(),
- ie = AllExceptionTables.end(); it != ie; ++it)
- ExceptionTableDeregister(*it);
- AllExceptionTables.clear();
- }
-}
-
namespace {
/// \brief Helper class which uses a value handler to automatically deletes the
/// memory block when the GlobalVariable is destroyed.
public:
/// \brief Returns the address the GlobalVariable should be written into. The
/// GVMemoryBlock object prefixes that.
- static char *Create(const GlobalVariable *GV, const TargetData& TD) {
- const Type *ElTy = GV->getType()->getElementType();
+ static char *Create(const GlobalVariable *GV, const DataLayout& TD) {
+ Type *ElTy = GV->getType()->getElementType();
size_t GVSize = (size_t)TD.getTypeAllocSize(ElTy);
void *RawMemory = ::operator new(
- TargetData::RoundUpAlignment(sizeof(GVMemoryBlock),
+ DataLayout::RoundUpAlignment(sizeof(GVMemoryBlock),
TD.getPreferredAlignment(GV))
+ GVSize);
new(RawMemory) GVMemoryBlock(GV);
} // anonymous namespace
char *ExecutionEngine::getMemoryForGV(const GlobalVariable *GV) {
- return GVMemoryBlock::Create(GV, *getTargetData());
+ return GVMemoryBlock::Create(GV, *getDataLayout());
}
bool ExecutionEngine::removeModule(Module *M) {
- for(SmallVector<Module *, 1>::iterator I = Modules.begin(),
+ for(SmallVectorImpl<Module *>::iterator I = Modules.begin(),
E = Modules.end(); I != E; ++I) {
Module *Found = *I;
if (Found == M) {
void *ArgvArray::reset(LLVMContext &C, ExecutionEngine *EE,
const std::vector<std::string> &InputArgv) {
clear(); // Free the old contents.
- unsigned PtrSize = EE->getTargetData()->getPointerSize();
+ unsigned PtrSize = EE->getDataLayout()->getPointerSize();
Array = new char[(InputArgv.size()+1)*PtrSize];
DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array << "\n");
- const Type *SBytePtr = Type::getInt8PtrTy(C);
+ Type *SBytePtr = Type::getInt8PtrTy(C);
for (unsigned i = 0; i != InputArgv.size(); ++i) {
unsigned Size = InputArgv[i].size()+1;
// it.
if (!GV || GV->isDeclaration() || GV->hasLocalLinkage()) return;
- // Should be an array of '{ int, void ()* }' structs. The first value is
+ // Should be an array of '{ i32, void ()* }' structs. The first value is
// the init priority, which we ignore.
ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
- if (!InitList) return;
+ if (InitList == 0)
+ return;
for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
- ConstantStruct *CS =
- dyn_cast<ConstantStruct>(InitList->getOperand(i));
- if (!CS) continue;
- if (CS->getNumOperands() != 2) return; // Not array of 2-element structs.
+ ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i));
+ if (CS == 0) continue;
Constant *FP = CS->getOperand(1);
if (FP->isNullValue())
- break; // Found a null terminator, exit.
+ continue; // Found a sentinal value, ignore.
// Strip off constant expression casts.
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(FP))
#ifndef NDEBUG
/// isTargetNullPtr - Return whether the target pointer stored at Loc is null.
static bool isTargetNullPtr(ExecutionEngine *EE, void *Loc) {
- unsigned PtrSize = EE->getTargetData()->getPointerSize();
+ unsigned PtrSize = EE->getDataLayout()->getPointerSize();
for (unsigned i = 0; i < PtrSize; ++i)
if (*(i + (uint8_t*)Loc))
return false;
// Check main() type
unsigned NumArgs = Fn->getFunctionType()->getNumParams();
- const FunctionType *FTy = Fn->getFunctionType();
- const Type* PPInt8Ty = Type::getInt8PtrTy(Fn->getContext())->getPointerTo();
+ FunctionType *FTy = Fn->getFunctionType();
+ Type* PPInt8Ty = Type::getInt8PtrTy(Fn->getContext())->getPointerTo();
// Check the argument types.
if (NumArgs > 3)
std::string *ErrorStr,
CodeGenOpt::Level OptLevel,
bool GVsWithCode) {
- return EngineBuilder(M)
+ EngineBuilder EB = EngineBuilder(M)
.setEngineKind(ForceInterpreter
? EngineKind::Interpreter
: EngineKind::JIT)
.setErrorStr(ErrorStr)
.setOptLevel(OptLevel)
- .setAllocateGVsWithCode(GVsWithCode)
- .create();
+ .setAllocateGVsWithCode(GVsWithCode);
+
+ return EB.create();
}
-ExecutionEngine *EngineBuilder::create() {
+/// createJIT - This is the factory method for creating a JIT for the current
+/// machine, it does not fall back to the interpreter. This takes ownership
+/// of the module.
+ExecutionEngine *ExecutionEngine::createJIT(Module *M,
+ std::string *ErrorStr,
+ JITMemoryManager *JMM,
+ CodeGenOpt::Level OL,
+ bool GVsWithCode,
+ Reloc::Model RM,
+ CodeModel::Model CMM) {
+ if (ExecutionEngine::JITCtor == 0) {
+ if (ErrorStr)
+ *ErrorStr = "JIT has not been linked in.";
+ return 0;
+ }
+
+ // Use the defaults for extra parameters. Users can use EngineBuilder to
+ // set them.
+ EngineBuilder EB(M);
+ EB.setEngineKind(EngineKind::JIT);
+ EB.setErrorStr(ErrorStr);
+ EB.setRelocationModel(RM);
+ EB.setCodeModel(CMM);
+ EB.setAllocateGVsWithCode(GVsWithCode);
+ EB.setOptLevel(OL);
+ EB.setJITMemoryManager(JMM);
+
+ // TODO: permit custom TargetOptions here
+ TargetMachine *TM = EB.selectTarget();
+ if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
+
+ return ExecutionEngine::JITCtor(M, ErrorStr, JMM, GVsWithCode, TM);
+}
+
+ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
+ OwningPtr<TargetMachine> TheTM(TM); // Take ownership.
+
// Make sure we can resolve symbols in the program as well. The zero arg
// to the function tells DynamicLibrary to load the program, not a library.
if (sys::DynamicLibrary::LoadLibraryPermanently(0, ErrorStr))
return 0;
+ assert(!(JMM && MCJMM));
+
// If the user specified a memory manager but didn't specify which engine to
// create, we assume they only want the JIT, and we fail if they only want
// the interpreter.
- if (JMM) {
+ if (JMM || MCJMM) {
if (WhichEngine & EngineKind::JIT)
WhichEngine = EngineKind::JIT;
else {
return 0;
}
}
+
+ if (MCJMM && ! UseMCJIT) {
+ if (ErrorStr)
+ *ErrorStr =
+ "Cannot create a legacy JIT with a runtime dyld memory "
+ "manager.";
+ return 0;
+ }
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
- if (WhichEngine & EngineKind::JIT) {
+ if ((WhichEngine & EngineKind::JIT) && TheTM) {
+ Triple TT(M->getTargetTriple());
+ if (!TM->getTarget().hasJIT()) {
+ errs() << "WARNING: This target JIT is not designed for the host"
+ << " you are running. If bad things happen, please choose"
+ << " a different -march switch.\n";
+ }
+
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
- ExecutionEngine::MCJITCtor(M, ErrorStr, JMM, OptLevel,
- AllocateGVsWithCode, CMModel,
- MArch, MCPU, MAttrs);
+ ExecutionEngine::MCJITCtor(M, ErrorStr, MCJMM ? MCJMM : JMM,
+ AllocateGVsWithCode, TheTM.take());
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
- ExecutionEngine::JITCtor(M, ErrorStr, JMM, OptLevel,
- AllocateGVsWithCode, CMModel,
- MArch, MCPU, MAttrs);
+ ExecutionEngine::JITCtor(M, ErrorStr, JMM,
+ AllocateGVsWithCode, TheTM.take());
if (EE) return EE;
}
}
return 0;
}
- if ((WhichEngine & EngineKind::JIT) && ExecutionEngine::JITCtor == 0) {
+ if ((WhichEngine & EngineKind::JIT) && ExecutionEngine::JITCtor == 0 &&
+ ExecutionEngine::MCJITCtor == 0) {
if (ErrorStr)
*ErrorStr = "JIT has not been linked in.";
}
if (isa<UndefValue>(C)) {
GenericValue Result;
switch (C->getType()->getTypeID()) {
+ default:
+ break;
case Type::IntegerTyID:
case Type::X86_FP80TyID:
case Type::FP128TyID:
// with the correct bit width.
Result.IntVal = APInt(C->getType()->getPrimitiveSizeInBits(), 0);
break;
- default:
+ case Type::StructTyID: {
+ // if the whole struct is 'undef' just reserve memory for the value.
+ if(StructType *STy = dyn_cast<StructType>(C->getType())) {
+ unsigned int elemNum = STy->getNumElements();
+ Result.AggregateVal.resize(elemNum);
+ for (unsigned int i = 0; i < elemNum; ++i) {
+ Type *ElemTy = STy->getElementType(i);
+ if (ElemTy->isIntegerTy())
+ Result.AggregateVal[i].IntVal =
+ APInt(ElemTy->getPrimitiveSizeInBits(), 0);
+ else if (ElemTy->isAggregateType()) {
+ const Constant *ElemUndef = UndefValue::get(ElemTy);
+ Result.AggregateVal[i] = getConstantValue(ElemUndef);
+ }
+ }
+ }
+ }
+ break;
+ case Type::VectorTyID:
+ // if the whole vector is 'undef' just reserve memory for the value.
+ const VectorType* VTy = dyn_cast<VectorType>(C->getType());
+ const Type *ElemTy = VTy->getElementType();
+ unsigned int elemNum = VTy->getNumElements();
+ Result.AggregateVal.resize(elemNum);
+ if (ElemTy->isIntegerTy())
+ for (unsigned int i = 0; i < elemNum; ++i)
+ Result.AggregateVal[i].IntVal =
+ APInt(ElemTy->getPrimitiveSizeInBits(), 0);
break;
}
return Result;
case Instruction::GetElementPtr: {
// Compute the index
GenericValue Result = getConstantValue(Op0);
- SmallVector<Value*, 8> Indices(CE->op_begin()+1, CE->op_end());
- uint64_t Offset =
- TD->getIndexedOffset(Op0->getType(), &Indices[0], Indices.size());
+ APInt Offset(TD->getPointerSizeInBits(), 0);
+ cast<GEPOperator>(CE)->accumulateConstantOffset(*TD, Offset);
char* tmp = (char*) Result.PointerVal;
- Result = PTOGV(tmp + Offset);
+ Result = PTOGV(tmp + Offset.getSExtValue());
return Result;
}
case Instruction::Trunc: {
else if (CE->getType()->isDoubleTy())
GV.DoubleVal = GV.IntVal.roundToDouble();
else if (CE->getType()->isX86_FP80Ty()) {
- const uint64_t zero[] = {0, 0};
- APFloat apf = APFloat(APInt(80, 2, zero));
+ APFloat apf = APFloat::getZero(APFloat::x87DoubleExtended);
(void)apf.convertFromAPInt(GV.IntVal,
false,
APFloat::rmNearestTiesToEven);
else if (CE->getType()->isDoubleTy())
GV.DoubleVal = GV.IntVal.signedRoundToDouble();
else if (CE->getType()->isX86_FP80Ty()) {
- const uint64_t zero[] = { 0, 0};
- APFloat apf = APFloat(APInt(80, 2, zero));
+ APFloat apf = APFloat::getZero(APFloat::x87DoubleExtended);
(void)apf.convertFromAPInt(GV.IntVal,
true,
APFloat::rmNearestTiesToEven);
else if (Op0->getType()->isDoubleTy())
GV.IntVal = APIntOps::RoundDoubleToAPInt(GV.DoubleVal, BitWidth);
else if (Op0->getType()->isX86_FP80Ty()) {
- APFloat apf = APFloat(GV.IntVal);
+ APFloat apf = APFloat(APFloat::x87DoubleExtended, GV.IntVal);
uint64_t v;
bool ignored;
(void)apf.convertToInteger(&v, BitWidth,
}
case Instruction::PtrToInt: {
GenericValue GV = getConstantValue(Op0);
- uint32_t PtrWidth = TD->getPointerSizeInBits();
+ uint32_t PtrWidth = TD->getTypeSizeInBits(Op0->getType());
+ assert(PtrWidth <= 64 && "Bad pointer width");
GV.IntVal = APInt(PtrWidth, uintptr_t(GV.PointerVal));
+ uint32_t IntWidth = TD->getTypeSizeInBits(CE->getType());
+ GV.IntVal = GV.IntVal.zextOrTrunc(IntWidth);
return GV;
}
case Instruction::IntToPtr: {
GenericValue GV = getConstantValue(Op0);
- uint32_t PtrWidth = TD->getPointerSizeInBits();
- if (PtrWidth != GV.IntVal.getBitWidth())
- GV.IntVal = GV.IntVal.zextOrTrunc(PtrWidth);
+ uint32_t PtrWidth = TD->getTypeSizeInBits(CE->getType());
+ GV.IntVal = GV.IntVal.zextOrTrunc(PtrWidth);
assert(GV.IntVal.getBitWidth() <= 64 && "Bad pointer width");
GV.PointerVal = PointerTy(uintptr_t(GV.IntVal.getZExtValue()));
return GV;
}
case Instruction::BitCast: {
GenericValue GV = getConstantValue(Op0);
- const Type* DestTy = CE->getType();
+ Type* DestTy = CE->getType();
switch (Op0->getType()->getTypeID()) {
default: llvm_unreachable("Invalid bitcast operand");
case Type::IntegerTyID:
case Type::X86_FP80TyID:
case Type::PPC_FP128TyID:
case Type::FP128TyID: {
- APFloat apfLHS = APFloat(LHS.IntVal);
+ const fltSemantics &Sem = CE->getOperand(0)->getType()->getFltSemantics();
+ APFloat apfLHS = APFloat(Sem, LHS.IntVal);
switch (CE->getOpcode()) {
default: llvm_unreachable("Invalid long double opcode");
case Instruction::FAdd:
- apfLHS.add(APFloat(RHS.IntVal), APFloat::rmNearestTiesToEven);
+ apfLHS.add(APFloat(Sem, RHS.IntVal), APFloat::rmNearestTiesToEven);
GV.IntVal = apfLHS.bitcastToAPInt();
break;
case Instruction::FSub:
- apfLHS.subtract(APFloat(RHS.IntVal), APFloat::rmNearestTiesToEven);
+ apfLHS.subtract(APFloat(Sem, RHS.IntVal),
+ APFloat::rmNearestTiesToEven);
GV.IntVal = apfLHS.bitcastToAPInt();
break;
case Instruction::FMul:
- apfLHS.multiply(APFloat(RHS.IntVal), APFloat::rmNearestTiesToEven);
+ apfLHS.multiply(APFloat(Sem, RHS.IntVal),
+ APFloat::rmNearestTiesToEven);
GV.IntVal = apfLHS.bitcastToAPInt();
break;
case Instruction::FDiv:
- apfLHS.divide(APFloat(RHS.IntVal), APFloat::rmNearestTiesToEven);
+ apfLHS.divide(APFloat(Sem, RHS.IntVal),
+ APFloat::rmNearestTiesToEven);
GV.IntVal = apfLHS.bitcastToAPInt();
break;
case Instruction::FRem:
- apfLHS.mod(APFloat(RHS.IntVal), APFloat::rmNearestTiesToEven);
+ apfLHS.mod(APFloat(Sem, RHS.IntVal),
+ APFloat::rmNearestTiesToEven);
GV.IntVal = apfLHS.bitcastToAPInt();
break;
}
else
llvm_unreachable("Unknown constant pointer type!");
break;
+ case Type::VectorTyID: {
+ unsigned elemNum;
+ Type* ElemTy;
+ const ConstantDataVector *CDV = dyn_cast<ConstantDataVector>(C);
+ const ConstantVector *CV = dyn_cast<ConstantVector>(C);
+ const ConstantAggregateZero *CAZ = dyn_cast<ConstantAggregateZero>(C);
+
+ if (CDV) {
+ elemNum = CDV->getNumElements();
+ ElemTy = CDV->getElementType();
+ } else if (CV || CAZ) {
+ VectorType* VTy = dyn_cast<VectorType>(C->getType());
+ elemNum = VTy->getNumElements();
+ ElemTy = VTy->getElementType();
+ } else {
+ llvm_unreachable("Unknown constant vector type!");
+ }
+
+ Result.AggregateVal.resize(elemNum);
+ // Check if vector holds floats.
+ if(ElemTy->isFloatTy()) {
+ if (CAZ) {
+ GenericValue floatZero;
+ floatZero.FloatVal = 0.f;
+ std::fill(Result.AggregateVal.begin(), Result.AggregateVal.end(),
+ floatZero);
+ break;
+ }
+ if(CV) {
+ for (unsigned i = 0; i < elemNum; ++i)
+ if (!isa<UndefValue>(CV->getOperand(i)))
+ Result.AggregateVal[i].FloatVal = cast<ConstantFP>(
+ CV->getOperand(i))->getValueAPF().convertToFloat();
+ break;
+ }
+ if(CDV)
+ for (unsigned i = 0; i < elemNum; ++i)
+ Result.AggregateVal[i].FloatVal = CDV->getElementAsFloat(i);
+
+ break;
+ }
+ // Check if vector holds doubles.
+ if (ElemTy->isDoubleTy()) {
+ if (CAZ) {
+ GenericValue doubleZero;
+ doubleZero.DoubleVal = 0.0;
+ std::fill(Result.AggregateVal.begin(), Result.AggregateVal.end(),
+ doubleZero);
+ break;
+ }
+ if(CV) {
+ for (unsigned i = 0; i < elemNum; ++i)
+ if (!isa<UndefValue>(CV->getOperand(i)))
+ Result.AggregateVal[i].DoubleVal = cast<ConstantFP>(
+ CV->getOperand(i))->getValueAPF().convertToDouble();
+ break;
+ }
+ if(CDV)
+ for (unsigned i = 0; i < elemNum; ++i)
+ Result.AggregateVal[i].DoubleVal = CDV->getElementAsDouble(i);
+
+ break;
+ }
+ // Check if vector holds integers.
+ if (ElemTy->isIntegerTy()) {
+ if (CAZ) {
+ GenericValue intZero;
+ intZero.IntVal = APInt(ElemTy->getScalarSizeInBits(), 0ull);
+ std::fill(Result.AggregateVal.begin(), Result.AggregateVal.end(),
+ intZero);
+ break;
+ }
+ if(CV) {
+ for (unsigned i = 0; i < elemNum; ++i)
+ if (!isa<UndefValue>(CV->getOperand(i)))
+ Result.AggregateVal[i].IntVal = cast<ConstantInt>(
+ CV->getOperand(i))->getValue();
+ else {
+ Result.AggregateVal[i].IntVal =
+ APInt(CV->getOperand(i)->getType()->getPrimitiveSizeInBits(), 0);
+ }
+ break;
+ }
+ if(CDV)
+ for (unsigned i = 0; i < elemNum; ++i)
+ Result.AggregateVal[i].IntVal = APInt(
+ CDV->getElementType()->getPrimitiveSizeInBits(),
+ CDV->getElementAsInteger(i));
+
+ break;
+ }
+ llvm_unreachable("Unknown constant pointer type!");
+ }
+ break;
+
default:
SmallString<256> Msg;
raw_svector_ostream OS(Msg);
static void StoreIntToMemory(const APInt &IntVal, uint8_t *Dst,
unsigned StoreBytes) {
assert((IntVal.getBitWidth()+7)/8 >= StoreBytes && "Integer too small!");
- uint8_t *Src = (uint8_t *)IntVal.getRawData();
+ const uint8_t *Src = (const uint8_t *)IntVal.getRawData();
- if (sys::isLittleEndianHost()) {
+ if (sys::IsLittleEndianHost) {
// Little-endian host - the source is ordered from LSB to MSB. Order the
// destination from LSB to MSB: Do a straight copy.
memcpy(Dst, Src, StoreBytes);
}
void ExecutionEngine::StoreValueToMemory(const GenericValue &Val,
- GenericValue *Ptr, const Type *Ty) {
- const unsigned StoreBytes = getTargetData()->getTypeStoreSize(Ty);
+ GenericValue *Ptr, Type *Ty) {
+ const unsigned StoreBytes = getDataLayout()->getTypeStoreSize(Ty);
switch (Ty->getTypeID()) {
+ default:
+ dbgs() << "Cannot store value of type " << *Ty << "!\n";
+ break;
case Type::IntegerTyID:
StoreIntToMemory(Val.IntVal, (uint8_t*)Ptr, StoreBytes);
break;
case Type::PointerTyID:
// Ensure 64 bit target pointers are fully initialized on 32 bit hosts.
if (StoreBytes != sizeof(PointerTy))
- memset(Ptr, 0, StoreBytes);
+ memset(&(Ptr->PointerVal), 0, StoreBytes);
*((PointerTy*)Ptr) = Val.PointerVal;
break;
- default:
- dbgs() << "Cannot store value of type " << *Ty << "!\n";
+ case Type::VectorTyID:
+ for (unsigned i = 0; i < Val.AggregateVal.size(); ++i) {
+ if (cast<VectorType>(Ty)->getElementType()->isDoubleTy())
+ *(((double*)Ptr)+i) = Val.AggregateVal[i].DoubleVal;
+ if (cast<VectorType>(Ty)->getElementType()->isFloatTy())
+ *(((float*)Ptr)+i) = Val.AggregateVal[i].FloatVal;
+ if (cast<VectorType>(Ty)->getElementType()->isIntegerTy()) {
+ unsigned numOfBytes =(Val.AggregateVal[i].IntVal.getBitWidth()+7)/8;
+ StoreIntToMemory(Val.AggregateVal[i].IntVal,
+ (uint8_t*)Ptr + numOfBytes*i, numOfBytes);
+ }
+ }
+ break;
}
- if (sys::isLittleEndianHost() != getTargetData()->isLittleEndian())
+ if (sys::IsLittleEndianHost != getDataLayout()->isLittleEndian())
// Host and target are different endian - reverse the stored bytes.
std::reverse((uint8_t*)Ptr, StoreBytes + (uint8_t*)Ptr);
}
/// from Src into IntVal, which is assumed to be wide enough and to hold zero.
static void LoadIntFromMemory(APInt &IntVal, uint8_t *Src, unsigned LoadBytes) {
assert((IntVal.getBitWidth()+7)/8 >= LoadBytes && "Integer too small!");
- uint8_t *Dst = (uint8_t *)IntVal.getRawData();
+ uint8_t *Dst = reinterpret_cast<uint8_t *>(
+ const_cast<uint64_t *>(IntVal.getRawData()));
- if (sys::isLittleEndianHost())
+ if (sys::IsLittleEndianHost)
// Little-endian host - the destination must be ordered from LSB to MSB.
// The source is ordered from LSB to MSB: Do a straight copy.
memcpy(Dst, Src, LoadBytes);
///
void ExecutionEngine::LoadValueFromMemory(GenericValue &Result,
GenericValue *Ptr,
- const Type *Ty) {
- const unsigned LoadBytes = getTargetData()->getTypeStoreSize(Ty);
+ Type *Ty) {
+ const unsigned LoadBytes = getDataLayout()->getTypeStoreSize(Ty);
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
// FIXME: Will not trap if loading a signaling NaN.
uint64_t y[2];
memcpy(y, Ptr, 10);
- Result.IntVal = APInt(80, 2, y);
+ Result.IntVal = APInt(80, y);
break;
}
+ case Type::VectorTyID: {
+ const VectorType *VT = cast<VectorType>(Ty);
+ const Type *ElemT = VT->getElementType();
+ const unsigned numElems = VT->getNumElements();
+ if (ElemT->isFloatTy()) {
+ Result.AggregateVal.resize(numElems);
+ for (unsigned i = 0; i < numElems; ++i)
+ Result.AggregateVal[i].FloatVal = *((float*)Ptr+i);
+ }
+ if (ElemT->isDoubleTy()) {
+ Result.AggregateVal.resize(numElems);
+ for (unsigned i = 0; i < numElems; ++i)
+ Result.AggregateVal[i].DoubleVal = *((double*)Ptr+i);
+ }
+ if (ElemT->isIntegerTy()) {
+ GenericValue intZero;
+ const unsigned elemBitWidth = cast<IntegerType>(ElemT)->getBitWidth();
+ intZero.IntVal = APInt(elemBitWidth, 0);
+ Result.AggregateVal.resize(numElems, intZero);
+ for (unsigned i = 0; i < numElems; ++i)
+ LoadIntFromMemory(Result.AggregateVal[i].IntVal,
+ (uint8_t*)Ptr+((elemBitWidth+7)/8)*i, (elemBitWidth+7)/8);
+ }
+ break;
+ }
default:
SmallString<256> Msg;
raw_svector_ostream OS(Msg);
void ExecutionEngine::InitializeMemory(const Constant *Init, void *Addr) {
DEBUG(dbgs() << "JIT: Initializing " << Addr << " ");
DEBUG(Init->dump());
- if (isa<UndefValue>(Init)) {
+ if (isa<UndefValue>(Init))
return;
- } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(Init)) {
+
+ if (const ConstantVector *CP = dyn_cast<ConstantVector>(Init)) {
unsigned ElementSize =
- getTargetData()->getTypeAllocSize(CP->getType()->getElementType());
+ getDataLayout()->getTypeAllocSize(CP->getType()->getElementType());
for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
InitializeMemory(CP->getOperand(i), (char*)Addr+i*ElementSize);
return;
- } else if (isa<ConstantAggregateZero>(Init)) {
- memset(Addr, 0, (size_t)getTargetData()->getTypeAllocSize(Init->getType()));
+ }
+
+ if (isa<ConstantAggregateZero>(Init)) {
+ memset(Addr, 0, (size_t)getDataLayout()->getTypeAllocSize(Init->getType()));
return;
- } else if (const ConstantArray *CPA = dyn_cast<ConstantArray>(Init)) {
+ }
+
+ if (const ConstantArray *CPA = dyn_cast<ConstantArray>(Init)) {
unsigned ElementSize =
- getTargetData()->getTypeAllocSize(CPA->getType()->getElementType());
+ getDataLayout()->getTypeAllocSize(CPA->getType()->getElementType());
for (unsigned i = 0, e = CPA->getNumOperands(); i != e; ++i)
InitializeMemory(CPA->getOperand(i), (char*)Addr+i*ElementSize);
return;
- } else if (const ConstantStruct *CPS = dyn_cast<ConstantStruct>(Init)) {
+ }
+
+ if (const ConstantStruct *CPS = dyn_cast<ConstantStruct>(Init)) {
const StructLayout *SL =
- getTargetData()->getStructLayout(cast<StructType>(CPS->getType()));
+ getDataLayout()->getStructLayout(cast<StructType>(CPS->getType()));
for (unsigned i = 0, e = CPS->getNumOperands(); i != e; ++i)
InitializeMemory(CPS->getOperand(i), (char*)Addr+SL->getElementOffset(i));
return;
- } else if (Init->getType()->isFirstClassType()) {
+ }
+
+ if (const ConstantDataSequential *CDS =
+ dyn_cast<ConstantDataSequential>(Init)) {
+ // CDS is already laid out in host memory order.
+ StringRef Data = CDS->getRawDataValues();
+ memcpy(Addr, Data.data(), Data.size());
+ return;
+ }
+
+ if (Init->getType()->isFirstClassType()) {
GenericValue Val = getConstantValue(Init);
StoreValueToMemory(Val, (GenericValue*)Addr, Init->getType());
return;
// Loop over all of the global variables in the program, allocating the memory
// to hold them. If there is more than one module, do a prepass over globals
// to figure out how the different modules should link together.
- std::map<std::pair<std::string, const Type*>,
+ std::map<std::pair<std::string, Type*>,
const GlobalValue*> LinkedGlobalsMap;
if (Modules.size() != 1) {
if (GA == 0) {
// If it's not already specified, allocate memory for the global.
GA = getMemoryForGV(GV);
+
+ // If we failed to allocate memory for this global, return.
+ if (GA == 0) return;
+
addGlobalMapping(GV, GA);
}
if (!GV->isThreadLocal())
InitializeMemory(GV->getInitializer(), GA);
- const Type *ElTy = GV->getType()->getElementType();
- size_t GVSize = (size_t)getTargetData()->getTypeAllocSize(ElTy);
+ Type *ElTy = GV->getType()->getElementType();
+ size_t GVSize = (size_t)getDataLayout()->getTypeAllocSize(ElTy);
NumInitBytes += (unsigned)GVSize;
++NumGlobals;
}
void ExecutionEngineState::AddressMapConfig::onRAUW(ExecutionEngineState *,
const GlobalValue *,
const GlobalValue *) {
- assert(false && "The ExecutionEngine doesn't know how to handle a"
- " RAUW on a value it has a global mapping for.");
+ llvm_unreachable("The ExecutionEngine doesn't know how to handle a"
+ " RAUW on a value it has a global mapping for.");
}
projects / oota-llvm.git / blobdiff