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Guy Benyei11169dd2012-12-18 14:30:41 +00001//===----- CGOpenCLRuntime.cpp - Interface to OpenCL Runtimes -------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This provides an abstract class for OpenCL code generation. Concrete
11// subclasses of this implement code generation for specific OpenCL
12// runtime libraries.
13//
14//===----------------------------------------------------------------------===//
15
16#include "CGOpenCLRuntime.h"
17#include "CodeGenFunction.h"
Chandler Carruthffd55512013-01-02 11:45:17 +000018#include "llvm/IR/DerivedTypes.h"
19#include "llvm/IR/GlobalValue.h"
Guy Benyeid8a08ea2012-12-18 14:38:23 +000020#include <assert.h>
Guy Benyei11169dd2012-12-18 14:30:41 +000021
22using namespace clang;
23using namespace CodeGen;
24
25CGOpenCLRuntime::~CGOpenCLRuntime() {}
26
27void CGOpenCLRuntime::EmitWorkGroupLocalVarDecl(CodeGenFunction &CGF,
28 const VarDecl &D) {
29 return CGF.EmitStaticVarDecl(D, llvm::GlobalValue::InternalLinkage);
30}
Guy Benyeid8a08ea2012-12-18 14:38:23 +000031
32llvm::Type *CGOpenCLRuntime::convertOpenCLSpecificType(const Type *T) {
33 assert(T->isOpenCLSpecificType() &&
34 "Not an OpenCL specific type!");
35
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000036 llvm::LLVMContext& Ctx = CGM.getLLVMContext();
37 uint32_t ImgAddrSpc =
38 CGM.getContext().getTargetAddressSpace(LangAS::opencl_global);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000039 switch (cast<BuiltinType>(T)->getKind()) {
40 default:
41 llvm_unreachable("Unexpected opencl builtin type!");
Craig Topper8a13c412014-05-21 05:09:00 +000042 return nullptr;
Guy Benyeid8a08ea2012-12-18 14:38:23 +000043 case BuiltinType::OCLImage1d:
44 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000045 Ctx, "opencl.image1d_t"), ImgAddrSpc);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000046 case BuiltinType::OCLImage1dArray:
47 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000048 Ctx, "opencl.image1d_array_t"), ImgAddrSpc);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000049 case BuiltinType::OCLImage1dBuffer:
50 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000051 Ctx, "opencl.image1d_buffer_t"), ImgAddrSpc);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000052 case BuiltinType::OCLImage2d:
53 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000054 Ctx, "opencl.image2d_t"), ImgAddrSpc);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000055 case BuiltinType::OCLImage2dArray:
56 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000057 Ctx, "opencl.image2d_array_t"), ImgAddrSpc);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000058 case BuiltinType::OCLImage3d:
59 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000060 Ctx, "opencl.image3d_t"), ImgAddrSpc);
Guy Benyei61054192013-02-07 10:55:47 +000061 case BuiltinType::OCLSampler:
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000062 return llvm::IntegerType::get(Ctx, 32);
Guy Benyei1b4fb3e2013-01-20 12:31:11 +000063 case BuiltinType::OCLEvent:
64 return llvm::PointerType::get(llvm::StructType::create(
Pekka Jaaskelainen3587b322014-01-09 13:37:30 +000065 Ctx, "opencl.event_t"), 0);
Guy Benyeid8a08ea2012-12-18 14:38:23 +000066 }
67}