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3587b32e1c
from the global address space (6.5.1 of the OpenCL 1.2 specification). This makes clang construct the image arguments in the global address space and generate the argument metadata with the correct address space descriptor. Patch by Pedro Ferreira! llvm-svn: 198868
68 lines
2.6 KiB
C++
68 lines
2.6 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 "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 ImgAddrSpc =
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CGM.getContext().getTargetAddressSpace(LangAS::opencl_global);
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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 0;
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case BuiltinType::OCLImage1d:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image1d_t"), ImgAddrSpc);
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case BuiltinType::OCLImage1dArray:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image1d_array_t"), ImgAddrSpc);
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case BuiltinType::OCLImage1dBuffer:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image1d_buffer_t"), ImgAddrSpc);
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case BuiltinType::OCLImage2d:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image2d_t"), ImgAddrSpc);
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case BuiltinType::OCLImage2dArray:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image2d_array_t"), ImgAddrSpc);
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case BuiltinType::OCLImage3d:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.image3d_t"), ImgAddrSpc);
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case BuiltinType::OCLSampler:
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return llvm::IntegerType::get(Ctx, 32);
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case BuiltinType::OCLEvent:
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return llvm::PointerType::get(llvm::StructType::create(
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Ctx, "opencl.event_t"), 0);
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}
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}
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