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