1 //===----- 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" 18 #include "llvm/IR/DerivedTypes.h" 19 #include "llvm/IR/GlobalValue.h" 20 #include <assert.h> 21 22 using namespace clang; 23 using namespace CodeGen; 24 25 CGOpenCLRuntime::~CGOpenCLRuntime() {} 26 27 void CGOpenCLRuntime::EmitWorkGroupLocalVarDecl(CodeGenFunction &CGF, 28 const VarDecl &D) { 29 return CGF.EmitStaticVarDecl(D, llvm::GlobalValue::InternalLinkage); 30 } 31 32 llvm::Type *CGOpenCLRuntime::convertOpenCLSpecificType(const Type *T) { 33 assert(T->isOpenCLSpecificType() && 34 "Not an OpenCL specific type!"); 35 36 llvm::LLVMContext& Ctx = CGM.getLLVMContext(); 37 uint32_t ImgAddrSpc = 38 CGM.getContext().getTargetAddressSpace(LangAS::opencl_global); 39 switch (cast<BuiltinType>(T)->getKind()) { 40 default: 41 llvm_unreachable("Unexpected opencl builtin type!"); 42 return nullptr; 43 case BuiltinType::OCLImage1d: 44 return llvm::PointerType::get(llvm::StructType::create( 45 Ctx, "opencl.image1d_t"), ImgAddrSpc); 46 case BuiltinType::OCLImage1dArray: 47 return llvm::PointerType::get(llvm::StructType::create( 48 Ctx, "opencl.image1d_array_t"), ImgAddrSpc); 49 case BuiltinType::OCLImage1dBuffer: 50 return llvm::PointerType::get(llvm::StructType::create( 51 Ctx, "opencl.image1d_buffer_t"), ImgAddrSpc); 52 case BuiltinType::OCLImage2d: 53 return llvm::PointerType::get(llvm::StructType::create( 54 Ctx, "opencl.image2d_t"), ImgAddrSpc); 55 case BuiltinType::OCLImage2dArray: 56 return llvm::PointerType::get(llvm::StructType::create( 57 Ctx, "opencl.image2d_array_t"), ImgAddrSpc); 58 case BuiltinType::OCLImage3d: 59 return llvm::PointerType::get(llvm::StructType::create( 60 Ctx, "opencl.image3d_t"), ImgAddrSpc); 61 case BuiltinType::OCLSampler: 62 return llvm::IntegerType::get(Ctx, 32); 63 case BuiltinType::OCLEvent: 64 return llvm::PointerType::get(llvm::StructType::create( 65 Ctx, "opencl.event_t"), 0); 66 } 67 } 68
