diff options
Diffstat (limited to 'contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp')
| -rw-r--r-- | contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp b/contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp index d0dc7c258a03..ec7f1c439b18 100644 --- a/contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp +++ b/contrib/llvm-project/clang/lib/CodeGen/Targets/NVPTX.cpp @@ -32,8 +32,8 @@ public: ABIArgInfo classifyArgumentType(QualType Ty) const; void computeInfo(CGFunctionInfo &FI) const override; - Address EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, - QualType Ty) const override; + RValue EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, QualType Ty, + AggValueSlot Slot) const override; bool isUnsupportedType(QualType T) const; ABIArgInfo coerceToIntArrayWithLimit(QualType Ty, unsigned MaxSize) const; }; @@ -47,6 +47,10 @@ public: CodeGen::CodeGenModule &M) const override; bool shouldEmitStaticExternCAliases() const override; + llvm::Constant *getNullPointer(const CodeGen::CodeGenModule &CGM, + llvm::PointerType *T, + QualType QT) const override; + llvm::Type *getCUDADeviceBuiltinSurfaceDeviceType() const override { // On the device side, surface reference is represented as an object handle // in 64-bit integer. @@ -81,7 +85,7 @@ private: LValue Src) { llvm::Value *Handle = nullptr; llvm::Constant *C = - llvm::dyn_cast<llvm::Constant>(Src.getAddress(CGF).getPointer()); + llvm::dyn_cast<llvm::Constant>(Src.getAddress().emitRawPointer(CGF)); // Lookup `addrspacecast` through the constant pointer if any. if (auto *ASC = llvm::dyn_cast_or_null<llvm::AddrSpaceCastOperator>(C)) C = llvm::cast<llvm::Constant>(ASC->getPointerOperand()); @@ -199,8 +203,11 @@ ABIArgInfo NVPTXABIInfo::classifyArgumentType(QualType Ty) const { void NVPTXABIInfo::computeInfo(CGFunctionInfo &FI) const { if (!getCXXABI().classifyReturnType(FI)) FI.getReturnInfo() = classifyReturnType(FI.getReturnType()); - for (auto &I : FI.arguments()) - I.info = classifyArgumentType(I.type); + + for (auto &&[ArgumentsCount, I] : llvm::enumerate(FI.arguments())) + I.info = ArgumentsCount < FI.getNumRequiredArgs() + ? classifyArgumentType(I.type) + : ABIArgInfo::getDirect(); // Always honor user-specified calling convention. if (FI.getCallingConvention() != llvm::CallingConv::C) @@ -209,9 +216,12 @@ void NVPTXABIInfo::computeInfo(CGFunctionInfo &FI) const { FI.setEffectiveCallingConvention(getRuntimeCC()); } -Address NVPTXABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, - QualType Ty) const { - llvm_unreachable("NVPTX does not support varargs"); +RValue NVPTXABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, + QualType Ty, AggValueSlot Slot) const { + return emitVoidPtrVAArg(CGF, VAListAddr, Ty, /*IsIndirect=*/false, + getContext().getTypeInfoInChars(Ty), + CharUnits::fromQuantity(1), + /*AllowHigherAlign=*/true, Slot); } void NVPTXTargetCodeGenInfo::setTargetAttributes( @@ -285,6 +295,20 @@ void NVPTXTargetCodeGenInfo::addNVVMMetadata(llvm::GlobalValue *GV, bool NVPTXTargetCodeGenInfo::shouldEmitStaticExternCAliases() const { return false; } + +llvm::Constant * +NVPTXTargetCodeGenInfo::getNullPointer(const CodeGen::CodeGenModule &CGM, + llvm::PointerType *PT, + QualType QT) const { + auto &Ctx = CGM.getContext(); + if (PT->getAddressSpace() != Ctx.getTargetAddressSpace(LangAS::opencl_local)) + return llvm::ConstantPointerNull::get(PT); + + auto NPT = llvm::PointerType::get( + PT->getContext(), Ctx.getTargetAddressSpace(LangAS::opencl_generic)); + return llvm::ConstantExpr::getAddrSpaceCast( + llvm::ConstantPointerNull::get(NPT), PT); +} } void CodeGenModule::handleCUDALaunchBoundsAttr(llvm::Function *F, |