1//===----- CGCUDARuntime.cpp - Interface to CUDA Runtimes -----------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This provides an abstract class for CUDA code generation. Concrete 10// subclasses of this implement code generation for specific CUDA 11// runtime libraries. 12// 13//===----------------------------------------------------------------------===// 14 15#include "CGCUDARuntime.h" 16#include "CGCall.h" 17#include "CodeGenFunction.h" 18#include "clang/AST/Decl.h" 19#include "clang/AST/ExprCXX.h" 20 21using namespace clang; 22using namespace CodeGen; 23 24CGCUDARuntime::~CGCUDARuntime() {} 25 26RValue CGCUDARuntime::EmitCUDAKernelCallExpr(CodeGenFunction &CGF, 27 const CUDAKernelCallExpr *E, 28 ReturnValueSlot ReturnValue) { 29 llvm::BasicBlock *ConfigOKBlock = CGF.createBasicBlock("kcall.configok"); 30 llvm::BasicBlock *ContBlock = CGF.createBasicBlock("kcall.end"); 31 32 CodeGenFunction::ConditionalEvaluation eval(CGF); 33 CGF.EmitBranchOnBoolExpr(E->getConfig(), ContBlock, ConfigOKBlock, 34 /*TrueCount=*/0); 35 36 eval.begin(CGF); 37 CGF.EmitBlock(ConfigOKBlock); 38 CGF.EmitSimpleCallExpr(E, ReturnValue); 39 CGF.EmitBranch(ContBlock); 40 41 CGF.EmitBlock(ContBlock); 42 eval.end(CGF); 43 44 return RValue::get(nullptr); 45} 46