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::OCLImage2dDepth: 59 return llvm::PointerType::get( 60 llvm::StructType::create(Ctx, "opencl.image2d_depth_t"), ImgAddrSpc); 61 case BuiltinType::OCLImage2dArrayDepth: 62 return llvm::PointerType::get( 63 llvm::StructType::create(Ctx, "opencl.image2d_array_depth_t"), 64 ImgAddrSpc); 65 case BuiltinType::OCLImage2dMSAA: 66 return llvm::PointerType::get( 67 llvm::StructType::create(Ctx, "opencl.image2d_msaa_t"), ImgAddrSpc); 68 case BuiltinType::OCLImage2dArrayMSAA: 69 return llvm::PointerType::get( 70 llvm::StructType::create(Ctx, "opencl.image2d_array_msaa_t"), 71 ImgAddrSpc); 72 case BuiltinType::OCLImage2dMSAADepth: 73 return llvm::PointerType::get( 74 llvm::StructType::create(Ctx, "opencl.image2d_msaa_depth_t"), 75 ImgAddrSpc); 76 case BuiltinType::OCLImage2dArrayMSAADepth: 77 return llvm::PointerType::get( 78 llvm::StructType::create(Ctx, "opencl.image2d_array_msaa_depth_t"), 79 ImgAddrSpc); 80 case BuiltinType::OCLImage3d: 81 return llvm::PointerType::get(llvm::StructType::create( 82 Ctx, "opencl.image3d_t"), ImgAddrSpc); 83 case BuiltinType::OCLSampler: 84 return llvm::IntegerType::get(Ctx, 32); 85 case BuiltinType::OCLEvent: 86 return llvm::PointerType::get(llvm::StructType::create( 87 Ctx, "opencl.event_t"), 0); 88 case BuiltinType::OCLClkEvent: 89 return llvm::PointerType::get( 90 llvm::StructType::create(Ctx, "opencl.clk_event_t"), 0); 91 case BuiltinType::OCLQueue: 92 return llvm::PointerType::get( 93 llvm::StructType::create(Ctx, "opencl.queue_t"), 0); 94 case BuiltinType::OCLNDRange: 95 return llvm::PointerType::get( 96 llvm::StructType::create(Ctx, "opencl.ndrange_t"), 0); 97 case BuiltinType::OCLReserveID: 98 return llvm::PointerType::get( 99 llvm::StructType::create(Ctx, "opencl.reserve_id_t"), 0); 100 } 101 } 102
