forked from OSchip/llvm-project
113 lines
4.4 KiB
C++
113 lines
4.4 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 nullptr;
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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::OCLImage2dDepth:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_depth_t"), ImgAddrSpc);
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case BuiltinType::OCLImage2dArrayDepth:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_array_depth_t"),
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ImgAddrSpc);
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case BuiltinType::OCLImage2dMSAA:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_msaa_t"), ImgAddrSpc);
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case BuiltinType::OCLImage2dArrayMSAA:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_array_msaa_t"),
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ImgAddrSpc);
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case BuiltinType::OCLImage2dMSAADepth:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_msaa_depth_t"),
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ImgAddrSpc);
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case BuiltinType::OCLImage2dArrayMSAADepth:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.image2d_array_msaa_depth_t"),
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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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case BuiltinType::OCLClkEvent:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.clk_event_t"), 0);
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case BuiltinType::OCLQueue:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.queue_t"), 0);
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case BuiltinType::OCLNDRange:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.ndrange_t"), 0);
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case BuiltinType::OCLReserveID:
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return llvm::PointerType::get(
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llvm::StructType::create(Ctx, "opencl.reserve_id_t"), 0);
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}
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}
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llvm::Type *CGOpenCLRuntime::getPipeType() {
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if (!PipeTy){
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uint32_t PipeAddrSpc =
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CGM.getContext().getTargetAddressSpace(LangAS::opencl_global);
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PipeTy = llvm::PointerType::get(llvm::StructType::create(
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CGM.getLLVMContext(), "opencl.pipe_t"), PipeAddrSpc);
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}
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return PipeTy;
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}
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