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 switch (cast<BuiltinType>(T)->getKind()) { 37 default: 38 llvm_unreachable("Unexpected opencl builtin type!"); 39 return 0; 40 case BuiltinType::OCLImage1d: 41 return llvm::PointerType::get(llvm::StructType::create( 42 CGM.getLLVMContext(), "opencl.image1d_t"), 0); 43 case BuiltinType::OCLImage1dArray: 44 return llvm::PointerType::get(llvm::StructType::create( 45 CGM.getLLVMContext(), "opencl.image1d_array_t"), 0); 46 case BuiltinType::OCLImage1dBuffer: 47 return llvm::PointerType::get(llvm::StructType::create( 48 CGM.getLLVMContext(), "opencl.image1d_buffer_t"), 0); 49 case BuiltinType::OCLImage2d: 50 return llvm::PointerType::get(llvm::StructType::create( 51 CGM.getLLVMContext(), "opencl.image2d_t"), 0); 52 case BuiltinType::OCLImage2dArray: 53 return llvm::PointerType::get(llvm::StructType::create( 54 CGM.getLLVMContext(), "opencl.image2d_array_t"), 0); 55 case BuiltinType::OCLImage3d: 56 return llvm::PointerType::get(llvm::StructType::create( 57 CGM.getLLVMContext(), "opencl.image3d_t"), 0); 58 case BuiltinType::OCLSampler: 59 return llvm::IntegerType::get(CGM.getLLVMContext(),32); 60 case BuiltinType::OCLEvent: 61 return llvm::PointerType::get(llvm::StructType::create( 62 CGM.getLLVMContext(), "opencl.event_t"), 0); 63 } 64 } 65
