1 files changed, 45 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCUDARuntime.cpp b/clang/lib/CodeGen/CGCUDARuntime.cpp
new file mode 100644
index 000000000000..c14a9d3f2bbb
--- /dev/null
+++ b/clang/lib/CodeGen/CGCUDARuntime.cpp
@@ -0,0 +1,45 @@
+//===----- 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);
+}