efb4d4c78c
Generalize getOpenCLImageAddrSpace into getOpenCLTypeAddrSpace, such that targets can select the address space per type. No functional changes intended. Initial patch by Simon Perretta. Differential Revision: https://reviews.llvm.org/D33989 llvm-svn: 310911
106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
//===----- CGOpenCLRuntime.cpp - Interface to OpenCL Runtimes -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This provides an abstract class for OpenCL code generation. Concrete
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// subclasses of this implement code generation for specific OpenCL
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// runtime libraries.
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//
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//===----------------------------------------------------------------------===//
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#include "CGOpenCLRuntime.h"
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#include "CodeGenFunction.h"
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#include "TargetInfo.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/GlobalValue.h"
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#include <assert.h>
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using namespace clang;
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using namespace CodeGen;
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CGOpenCLRuntime::~CGOpenCLRuntime() {}
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void CGOpenCLRuntime::EmitWorkGroupLocalVarDecl(CodeGenFunction &CGF,
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const VarDecl &D) {
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return CGF.EmitStaticVarDecl(D, llvm::GlobalValue::InternalLinkage);
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}
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llvm::Type *CGOpenCLRuntime::convertOpenCLSpecificType(const Type *T) {
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assert(T->isOpenCLSpecificType() &&
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"Not an OpenCL specific type!");
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llvm::LLVMContext& Ctx = CGM.getLLVMContext();
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uint32_t AddrSpc = CGM.getContext().getTargetAddressSpace(
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CGM.getTarget().getOpenCLTypeAddrSpace(T));
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switch (cast<BuiltinType>(T)->getKind()) {
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default:
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llvm_unreachable("Unexpected opencl builtin type!");
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return nullptr;
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#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
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case BuiltinType::Id: \
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return llvm::PointerType::get( \
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llvm::StructType::create(Ctx, "opencl." #ImgType "_" #Suffix "_t"), \
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AddrSpc);
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#include "clang/Basic/OpenCLImageTypes.def"
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case BuiltinType::OCLSampler:
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return getSamplerType(T);
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case BuiltinType::OCLEvent:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.event_t"), AddrSpc);
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case BuiltinType::OCLClkEvent:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.clk_event_t"), AddrSpc);
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case BuiltinType::OCLQueue:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.queue_t"), AddrSpc);
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case BuiltinType::OCLReserveID:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.reserve_id_t"), AddrSpc);
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}
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}
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llvm::Type *CGOpenCLRuntime::getPipeType(const PipeType *T) {
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if (!PipeTy){
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uint32_t PipeAddrSpc = CGM.getContext().getTargetAddressSpace(
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CGM.getTarget().getOpenCLTypeAddrSpace(T));
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PipeTy = llvm::PointerType::get(llvm::StructType::create(
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CGM.getLLVMContext(), "opencl.pipe_t"), PipeAddrSpc);
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}
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return PipeTy;
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}
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llvm::PointerType *CGOpenCLRuntime::getSamplerType(const Type *T) {
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if (!SamplerTy)
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SamplerTy = llvm::PointerType::get(llvm::StructType::create(
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CGM.getLLVMContext(), "opencl.sampler_t"),
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CGM.getContext().getTargetAddressSpace(
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CGM.getTarget().getOpenCLTypeAddrSpace(T)));
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return SamplerTy;
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}
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llvm::Value *CGOpenCLRuntime::getPipeElemSize(const Expr *PipeArg) {
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const PipeType *PipeTy = PipeArg->getType()->getAs<PipeType>();
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// The type of the last (implicit) argument to be passed.
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llvm::Type *Int32Ty = llvm::IntegerType::getInt32Ty(CGM.getLLVMContext());
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unsigned TypeSize = CGM.getContext()
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.getTypeSizeInChars(PipeTy->getElementType())
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.getQuantity();
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return llvm::ConstantInt::get(Int32Ty, TypeSize, false);
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}
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llvm::Value *CGOpenCLRuntime::getPipeElemAlign(const Expr *PipeArg) {
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const PipeType *PipeTy = PipeArg->getType()->getAs<PipeType>();
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// The type of the last (implicit) argument to be passed.
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llvm::Type *Int32Ty = llvm::IntegerType::getInt32Ty(CGM.getLLVMContext());
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unsigned TypeSize = CGM.getContext()
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.getTypeAlignInChars(PipeTy->getElementType())
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.getQuantity();
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return llvm::ConstantInt::get(Int32Ty, TypeSize, false);
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}
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