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add more support for ConstantDataSequential

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148802 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2012-01-24 13:41:11 +00:00
parent 53fa1ae510
commit 1ee0ecf84a
5 changed files with 78 additions and 34 deletions
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38
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -307,13 +307,12 @@ void ExecutionEngine::runStaticConstructorsDestructors(Module *module,
// Should be an array of '{ i32, void ()* }' structs. The first value is
// the init priority, which we ignore.
if (isa<ConstantAggregateZero>(GV->getInitializer()))
ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
if (InitList == 0)
return;
ConstantArray *InitList = cast<ConstantArray>(GV->getInitializer());
for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
if (isa<ConstantAggregateZero>(InitList->getOperand(i)))
continue;
ConstantStruct *CS = cast<ConstantStruct>(InitList->getOperand(i));
ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i));
if (CS == 0) continue;
Constant *FP = CS->getOperand(1);
if (FP->isNullValue())
@ -954,30 +953,47 @@ void ExecutionEngine::LoadValueFromMemory(GenericValue &Result,
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());
for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
InitializeMemory(CP->getOperand(i), (char*)Addr+i*ElementSize);
return;
} else if (isa<ConstantAggregateZero>(Init)) {
}
if (isa<ConstantAggregateZero>(Init)) {
memset(Addr, 0, (size_t)getTargetData()->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());
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()));
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;