forked from OSchip/llvm-project
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
//===----- CGCUDARuntime.h - Interface to CUDA Runtimes ---------*- C++ -*-===//
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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 CUDA code generation. Concrete
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// subclasses of this implement code generation for specific CUDA
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// runtime libraries.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_CODEGEN_CGCUDARUNTIME_H
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#define LLVM_CLANG_LIB_CODEGEN_CGCUDARUNTIME_H
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namespace llvm {
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class Function;
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}
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namespace clang {
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class CUDAKernelCallExpr;
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namespace CodeGen {
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class CodeGenFunction;
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class CodeGenModule;
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class FunctionArgList;
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class ReturnValueSlot;
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class RValue;
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class CGCUDARuntime {
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protected:
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CodeGenModule &CGM;
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public:
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CGCUDARuntime(CodeGenModule &CGM) : CGM(CGM) {}
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virtual ~CGCUDARuntime();
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virtual RValue EmitCUDAKernelCallExpr(CodeGenFunction &CGF,
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const CUDAKernelCallExpr *E,
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ReturnValueSlot ReturnValue);
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/// Emits a kernel launch stub.
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virtual void emitDeviceStub(CodeGenFunction &CGF, FunctionArgList &Args) = 0;
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/// Constructs and returns a module initialization function or nullptr if it's
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/// not needed. Must be called after all kernels have been emitted.
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virtual llvm::Function *makeModuleCtorFunction() = 0;
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/// Returns a module cleanup function or nullptr if it's not needed.
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/// Must be called after ModuleCtorFunction
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virtual llvm::Function *makeModuleDtorFunction() = 0;
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};
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/// Creates an instance of a CUDA runtime class.
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CGCUDARuntime *CreateNVCUDARuntime(CodeGenModule &CGM);
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}
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}
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#endif
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