CodeGenTypes::CodeGenTypes(CodeGenModule &cgm)
: CGM(cgm), Context(cgm.getContext()), TheModule(cgm.getModule()),
TheDataLayout(cgm.getDataLayout()),
Target(cgm.getTarget()), TheCXXABI(cgm.getCXXABI()),
TheABIInfo(cgm.getTargetCodeGenInfo().getABIInfo()) {
SkippedLayout = false;
}
// maybeUpdateRTTILinkage - Will update the linkage of the RTTI data structures
// from available_externally to the correct linkage if necessary. An example of
// this is:
//
// struct A {
// virtual void f();
// };
//
// const std::type_info &g() {
// return typeid(A);
// }
//
// void A::f() { }
//
// When we're generating the typeid(A) expression, we do not yet know that
// A's key function is defined in this translation unit, so we will give the
// typeinfo and typename structures available_externally linkage. When A::f
// forces the vtable to be generated, we need to change the linkage of the
// typeinfo and typename structs, otherwise we'll end up with undefined
// externals when linking.
static void
maybeUpdateRTTILinkage(CodeGenModule &CGM, llvm::GlobalVariable *GV,
QualType Ty) {
// We're only interested in globals with available_externally linkage.
if (!GV->hasAvailableExternallyLinkage())
return;
// Get the real linkage for the type.
llvm::GlobalVariable::LinkageTypes Linkage = getTypeInfoLinkage(CGM, Ty);
// If variable is supposed to have available_externally linkage, we don't
// need to do anything.
if (Linkage == llvm::GlobalVariable::AvailableExternallyLinkage)
return;
// Update the typeinfo linkage.
GV->setLinkage(Linkage);
// Get the typename global.
SmallString<256> OutName;
llvm::raw_svector_ostream Out(OutName);
CGM.getCXXABI().getMangleContext().mangleCXXRTTIName(Ty, Out);
Out.flush();
StringRef Name = OutName.str();
llvm::GlobalVariable *TypeNameGV = CGM.getModule().getNamedGlobal(Name);
assert(TypeNameGV->hasAvailableExternallyLinkage() &&
"Type name has different linkage from type info!");
// And update its linkage.
TypeNameGV->setLinkage(Linkage);
}
CodeGenTypes::CodeGenTypes(CodeGenModule &CGM)
: Context(CGM.getContext()), Target(Context.getTargetInfo()),
TheModule(CGM.getModule()), TheTargetData(CGM.getTargetData()),
TheABIInfo(CGM.getTargetCodeGenInfo().getABIInfo()),
TheCXXABI(CGM.getCXXABI()),
CodeGenOpts(CGM.getCodeGenOpts()), CGM(CGM) {
SkippedLayout = false;
}
CGNVCUDARuntime::CGNVCUDARuntime(CodeGenModule &CGM)
: CGCUDARuntime(CGM), Context(CGM.getLLVMContext()),
TheModule(CGM.getModule()) {
CodeGen::CodeGenTypes &Types = CGM.getTypes();
ASTContext &Ctx = CGM.getContext();
IntTy = Types.ConvertType(Ctx.IntTy);
SizeTy = Types.ConvertType(Ctx.getSizeType());
VoidTy = llvm::Type::getVoidTy(Context);
CharPtrTy = llvm::PointerType::getUnqual(Types.ConvertType(Ctx.CharTy));
VoidPtrTy = cast<llvm::PointerType>(Types.ConvertType(Ctx.VoidPtrTy));
VoidPtrPtrTy = VoidPtrTy->getPointerTo();
}
static void setThunkProperties(CodeGenModule &CGM, const ThunkInfo &Thunk,
llvm::Function *ThunkFn, bool ForVTable,
GlobalDecl GD) {
CGM.setFunctionLinkage(GD, ThunkFn);
CGM.getCXXABI().setThunkLinkage(ThunkFn, ForVTable, GD,
!Thunk.Return.isEmpty());
// Set the right visibility.
const CXXMethodDecl *MD = cast<CXXMethodDecl>(GD.getDecl());
setThunkVisibility(CGM, MD, Thunk, ThunkFn);
if (CGM.supportsCOMDAT() && ThunkFn->isWeakForLinker())
ThunkFn->setComdat(CGM.getModule().getOrInsertComdat(ThunkFn->getName()));
}
CodeGenFunction::CodeGenFunction(CodeGenModule &cgm)
: BlockFunction(cgm, *this, Builder), CGM(cgm),
Target(CGM.getContext().Target),
Builder(cgm.getModule().getContext()),
DebugInfo(0), IndirectBranch(0),
SwitchInsn(0), CaseRangeBlock(0), InvokeDest(0),
CXXThisDecl(0), CXXThisValue(0), CXXVTTDecl(0), CXXVTTValue(0),
ConditionalBranchLevel(0), TerminateHandler(0), TrapBB(0),
UniqueAggrDestructorCount(0) {
LLVMIntTy = ConvertType(getContext().IntTy);
LLVMPointerWidth = Target.getPointerWidth(0);
Exceptions = getContext().getLangOptions().Exceptions;
CatchUndefined = getContext().getLangOptions().CatchUndefined;
}
CodeGenFunction::CodeGenFunction(CodeGenModule &cgm)
: CodeGenTypeCache(cgm), CGM(cgm),
Target(CGM.getContext().Target), Builder(cgm.getModule().getContext()),
AutoreleaseResult(false), BlockInfo(0), BlockPointer(0),
NormalCleanupDest(0), EHCleanupDest(0), NextCleanupDestIndex(1),
ExceptionSlot(0),
DebugInfo(0), DisableDebugInfo(false), DidCallStackSave(false),
IndirectBranch(0), SwitchInsn(0), CaseRangeBlock(0), UnreachableBlock(0),
ClassThisDefn(0), ClassThisValue(0), ClassVTTDefn(0), ClassVTTValue(0),
OutermostConditional(0), TerminateLandingPad(0), TerminateHandler(0),
TrapBB(0) {
CatchUndefined = false/*getContext().getLangOptions().CatchUndefined*/;
CGM.getOOPABI().getMangleContext().startNewFunction();
}
CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext)
: CodeGenTypeCache(cgm), CGM(cgm),
Target(CGM.getContext().getTargetInfo()),
Builder(cgm.getModule().getContext()),
AutoreleaseResult(false), BlockInfo(0), BlockPointer(0),
LambdaThisCaptureField(0), NormalCleanupDest(0), NextCleanupDestIndex(1),
FirstBlockInfo(0), EHResumeBlock(0), ExceptionSlot(0), EHSelectorSlot(0),
DebugInfo(0), DisableDebugInfo(false), DidCallStackSave(false),
IndirectBranch(0), SwitchInsn(0), CaseRangeBlock(0), UnreachableBlock(0),
CXXABIThisDecl(0), CXXABIThisValue(0), CXXThisValue(0), CXXVTTDecl(0),
CXXVTTValue(0), OutermostConditional(0), TerminateLandingPad(0),
TerminateHandler(0), TrapBB(0) {
CatchUndefined = getContext().getLangOpts().CatchUndefined;
if (!suppressNewContext)
CGM.getCXXABI().getMangleContext().startNewFunction();
}
CGNVCUDARuntime::CGNVCUDARuntime(CodeGenModule &CGM)
: CGCUDARuntime(CGM), Context(CGM.getLLVMContext()),
TheModule(CGM.getModule()),
RelocatableDeviceCode(CGM.getLangOpts().GPURelocatableDeviceCode),
DeviceMC(CGM.getContext().createMangleContext(
CGM.getContext().getAuxTargetInfo())) {
CodeGen::CodeGenTypes &Types = CGM.getTypes();
ASTContext &Ctx = CGM.getContext();
IntTy = CGM.IntTy;
SizeTy = CGM.SizeTy;
VoidTy = CGM.VoidTy;
CharPtrTy = llvm::PointerType::getUnqual(Types.ConvertType(Ctx.CharTy));
VoidPtrTy = cast<llvm::PointerType>(Types.ConvertType(Ctx.VoidPtrTy));
VoidPtrPtrTy = VoidPtrTy->getPointerTo();
}
CGIdeasRuntime::CGIdeasRuntime(CodeGenModule& CGM)
: module_(CGM.getModule()){
llvm::LLVMContext& C = module_.getContext();
Int1Ty = llvm::IntegerType::getInt1Ty(C);
Int8Ty = llvm::IntegerType::getInt8Ty(C);
Int32Ty = llvm::IntegerType::getInt32Ty(C);
Int64Ty = llvm::IntegerType::getInt64Ty(C);
FloatTy = llvm::Type::getFloatTy(C);
DoubleTy = llvm::Type::getDoubleTy(C);
VoidTy = llvm::Type::getVoidTy(C);
VoidPtrTy = PointerTy(Int8Ty);
StringTy = PointerTy(Int8Ty);
TypeVec params = {VoidPtrTy};
QueueFuncTy = llvm::FunctionType::get(VoidTy, params, false);
}
static void setThunkProperties(CodeGenModule &CGM, const ThunkInfo &Thunk,
llvm::Function *ThunkFn, bool ForVTable,
GlobalDecl GD) {
CGM.setFunctionLinkage(GD, ThunkFn);
CGM.getCXXABI().setThunkLinkage(ThunkFn, ForVTable, GD,
!Thunk.Return.isEmpty());
// Set the right visibility.
CGM.setGVProperties(ThunkFn, GD);
if (!CGM.getCXXABI().exportThunk()) {
ThunkFn->setDLLStorageClass(llvm::GlobalValue::DefaultStorageClass);
ThunkFn->setDSOLocal(true);
}
if (CGM.supportsCOMDAT() && ThunkFn->isWeakForLinker())
ThunkFn->setComdat(CGM.getModule().getOrInsertComdat(ThunkFn->getName()));
}
CodeGenFunction::CodeGenFunction(CodeGenModule &cgm)
: BlockFunction(cgm, *this, Builder), CGM(cgm),
Target(CGM.getContext().Target),
Builder(cgm.getModule().getContext()),
NormalCleanupDest(0), EHCleanupDest(0), NextCleanupDestIndex(1),
ExceptionSlot(0), DebugInfo(0), IndirectBranch(0),
SwitchInsn(0), CaseRangeBlock(0),
DidCallStackSave(false), UnreachableBlock(0),
CXXThisDecl(0), CXXThisValue(0), CXXVTTDecl(0), CXXVTTValue(0),
ConditionalBranchLevel(0), TerminateLandingPad(0), TerminateHandler(0),
TrapBB(0) {
// Get some frequently used types.
LLVMPointerWidth = Target.getPointerWidth(0);
llvm::LLVMContext &LLVMContext = CGM.getLLVMContext();
IntPtrTy = llvm::IntegerType::get(LLVMContext, LLVMPointerWidth);
Int32Ty = llvm::Type::getInt32Ty(LLVMContext);
Int64Ty = llvm::Type::getInt64Ty(LLVMContext);
Exceptions = getContext().getLangOptions().Exceptions;
CatchUndefined = getContext().getLangOptions().CatchUndefined;
CGM.getCXXABI().getMangleContext().startNewFunction();
}
ConstantAddress getUPCForAllDepth(CodeGenModule& CGM) {
CharUnits Align = CGM.getContext().getTypeAlignInChars(CGM.getContext().IntTy);
return ConstantAddress(CGM.getModule().getOrInsertGlobal("__upc_forall_depth", CGM.IntTy), Align);
}
