1 //===- mlir-vulkan-runner.cpp - MLIR Vulkan Execution Driver --------------===//
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 is a command line utility that executes an MLIR file on the Vulkan by
10 // translating MLIR GPU module to SPIR-V and host part to LLVM IR before
11 // JIT-compiling and executing the latter.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "mlir/Conversion/GPUToSPIRV/ConvertGPUToSPIRVPass.h"
16 #include "mlir/Conversion/GPUToVulkan/ConvertGPUToVulkanPass.h"
17 #include "mlir/Conversion/StandardToLLVM/ConvertStandardToLLVMPass.h"
18 #include "mlir/Conversion/StandardToSPIRV/ConvertStandardToSPIRVPass.h"
19 #include "mlir/Dialect/GPU/Passes.h"
20 #include "mlir/Dialect/SPIRV/Passes.h"
21 #include "mlir/Dialect/SPIRV/SPIRVOps.h"
22 #include "mlir/ExecutionEngine/JitRunner.h"
23 #include "mlir/ExecutionEngine/OptUtils.h"
24 #include "mlir/InitAllDialects.h"
25 #include "mlir/Pass/Pass.h"
26 #include "mlir/Pass/PassManager.h"
27 #include "llvm/Support/InitLLVM.h"
28 #include "llvm/Support/TargetSelect.h"
29 
30 using namespace mlir;
31 
runMLIRPasses(ModuleOp module)32 static LogicalResult runMLIRPasses(ModuleOp module) {
33   PassManager passManager(module.getContext());
34   applyPassManagerCLOptions(passManager);
35 
36   passManager.addPass(createGpuKernelOutliningPass());
37   passManager.addPass(createLegalizeStdOpsForSPIRVLoweringPass());
38   passManager.addPass(createConvertGPUToSPIRVPass());
39   OpPassManager &modulePM = passManager.nest<spirv::ModuleOp>();
40   modulePM.addPass(spirv::createLowerABIAttributesPass());
41   modulePM.addPass(spirv::createUpdateVersionCapabilityExtensionPass());
42   passManager.addPass(createConvertGpuLaunchFuncToVulkanLaunchFuncPass());
43   LowerToLLVMOptions llvmOptions = {
44       /*useBarePtrCallConv =*/false,
45       /*emitCWrappers = */ true,
46       /*indexBitwidth =*/kDeriveIndexBitwidthFromDataLayout};
47   passManager.addPass(createLowerToLLVMPass(llvmOptions));
48   passManager.addPass(createConvertVulkanLaunchFuncToVulkanCallsPass());
49   return passManager.run(module);
50 }
51 
main(int argc,char ** argv)52 int main(int argc, char **argv) {
53   llvm::llvm_shutdown_obj x;
54   registerPassManagerCLOptions();
55 
56   mlir::registerAllDialects();
57   llvm::InitLLVM y(argc, argv);
58   llvm::InitializeNativeTarget();
59   llvm::InitializeNativeTargetAsmPrinter();
60   mlir::initializeLLVMPasses();
61 
62   return mlir::JitRunnerMain(argc, argv, &runMLIRPasses);
63 }
64