//===----- CGCUDARuntime.cpp - Interface to CUDA Runtimes -----------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// This provides an abstract class for CUDA code generation.  Concrete

// subclasses of this implement code generation for specific CUDA

// runtime libraries.

//

//===----------------------------------------------------------------------===//

#include "CGCUDARuntime.h"

#include "CGCall.h"

#include "CodeGenFunction.h"

#include "clang/AST/Decl.h"

#include "clang/AST/ExprCXX.h"

using namespace clang;

using namespace CodeGen;

CGCUDARuntime::~CGCUDARuntime() {}

RValue CGCUDARuntime::EmitCUDAKernelCallExpr(CodeGenFunction &CGF,

                                             const CUDAKernelCallExpr *E,

                                             ReturnValueSlot ReturnValue) {

  llvm::BasicBlock *ConfigOKBlock = CGF.createBasicBlock("kcall.configok");

  llvm::BasicBlock *ContBlock = CGF.createBasicBlock("kcall.end");

  CodeGenFunction::ConditionalEvaluation eval(CGF);

  CGF.EmitBranchOnBoolExpr(E->getConfig(), ContBlock, ConfigOKBlock,

                           /*TrueCount=*/0);

  eval.begin(CGF);

  CGF.EmitBlock(ConfigOKBlock);

  CGF.EmitSimpleCallExpr(E, ReturnValue);

  CGF.EmitBranch(ContBlock);

  CGF.EmitBlock(ContBlock);

  eval.end(CGF);

  return RValue::get(nullptr);

}