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/GPUToSPIRVPass.h"
16 #include "mlir/Conversion/GPUToVulkan/ConvertGPUToVulkanPass.h"
17 #include "mlir/Conversion/StandardToLLVM/ConvertStandardToLLVMPass.h"
18 #include "mlir/Conversion/StandardToSPIRV/StandardToSPIRVPass.h"
19 #include "mlir/Dialect/GPU/GPUDialect.h"
20 #include "mlir/Dialect/GPU/Passes.h"
21 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
22 #include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
23 #include "mlir/Dialect/SPIRV/IR/SPIRVOps.h"
24 #include "mlir/Dialect/SPIRV/Transforms/Passes.h"
25 #include "mlir/Dialect/StandardOps/IR/Ops.h"
26 #include "mlir/ExecutionEngine/JitRunner.h"
27 #include "mlir/ExecutionEngine/OptUtils.h"
28 #include "mlir/Pass/Pass.h"
29 #include "mlir/Pass/PassManager.h"
30 #include "mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h"
31 #include "mlir/Target/LLVMIR/Export.h"
32 #include "llvm/Support/InitLLVM.h"
33 #include "llvm/Support/TargetSelect.h"
34 
35 using namespace mlir;
36 
37 static LogicalResult runMLIRPasses(ModuleOp module) {
38   PassManager passManager(module.getContext());
39   applyPassManagerCLOptions(passManager);
40 
41   passManager.addPass(createGpuKernelOutliningPass());
42   passManager.addPass(createLegalizeStdOpsForSPIRVLoweringPass());
43   passManager.addPass(createConvertGPUToSPIRVPass());
44   OpPassManager &modulePM = passManager.nest<spirv::ModuleOp>();
45   modulePM.addPass(spirv::createLowerABIAttributesPass());
46   modulePM.addPass(spirv::createUpdateVersionCapabilityExtensionPass());
47   passManager.addPass(createConvertGpuLaunchFuncToVulkanLaunchFuncPass());
48   LowerToLLVMOptions llvmOptions = {
49       /*useBarePtrCallConv =*/false,
50       /*emitCWrappers = */ true,
51       /*indexBitwidth =*/kDeriveIndexBitwidthFromDataLayout};
52   passManager.addPass(createLowerToLLVMPass(llvmOptions));
53   passManager.addPass(createConvertVulkanLaunchFuncToVulkanCallsPass());
54   return passManager.run(module);
55 }
56 
57 int main(int argc, char **argv) {
58   llvm::llvm_shutdown_obj x;
59   registerPassManagerCLOptions();
60 
61   llvm::InitLLVM y(argc, argv);
62   llvm::InitializeNativeTarget();
63   llvm::InitializeNativeTargetAsmPrinter();
64   mlir::initializeLLVMPasses();
65 
66   mlir::JitRunnerConfig jitRunnerConfig;
67   jitRunnerConfig.mlirTransformer = runMLIRPasses;
68 
69   mlir::DialectRegistry registry;
70   registry.insert<mlir::LLVM::LLVMDialect, mlir::gpu::GPUDialect,
71                   mlir::spirv::SPIRVDialect, mlir::StandardOpsDialect>();
72   mlir::registerLLVMDialectTranslation(registry);
73 
74   return mlir::JitRunnerMain(argc, argv, registry, jitRunnerConfig);
75 }
76