1 //===- SPIRVToLLVMPass.h - SPIR-V to LLVM Passes ----------------*- C++ -*-===//
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 // Provides passes to convert SPIR-V dialect to LLVM dialect.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef MLIR_CONVERSION_SPIRVTOLLVM_SPIRVTOLLVMPASS_H
14 #define MLIR_CONVERSION_SPIRVTOLLVM_SPIRVTOLLVMPASS_H
15 
16 #include <memory>
17 
18 namespace mlir {
19 class ModuleOp;
20 template <typename T>
21 class OperationPass;
22 
23 /// Creates a pass to emulate `gpu.launch_func` call in LLVM dialect and lower
24 /// the host module code to LLVM.
25 ///
26 /// This transformation creates a sequence of global variables that are later
27 /// linked to the variables in the kernel module, and a series of copies to/from
28 /// them to emulate the memory transfer from the host or to the device sides. It
29 /// also converts the remaining Arithmetic, Func, and MemRef dialects into LLVM
30 /// dialect, emitting C wrappers.
31 std::unique_ptr<OperationPass<ModuleOp>> createLowerHostCodeToLLVMPass();
32 
33 /// Creates a pass to convert SPIR-V operations to the LLVMIR dialect.
34 std::unique_ptr<OperationPass<ModuleOp>> createConvertSPIRVToLLVMPass();
35 
36 } // namespace mlir
37 
38 #endif // MLIR_CONVERSION_SPIRVTOLLVM_SPIRVTOLLVMPASS_H
39