| 475 | // several passes requiring LLVM 14+ that are not available in the legacy pass manager |
| 476 | #if LLVM_VERSION_MAJOR >= 14 |
| 477 | static void OptimizeModuleWithNewPassManager(llvm::Module& module, |
| 478 | llvm::TargetIRAnalysis target_analysis) { |
| 479 | // Setup an optimiser pipeline |
| 480 | llvm::PassBuilder pass_builder; |
| 481 | llvm::LoopAnalysisManager loop_am; |
| 482 | llvm::FunctionAnalysisManager function_am; |
| 483 | llvm::CGSCCAnalysisManager cgscc_am; |
| 484 | llvm::ModuleAnalysisManager module_am; |
| 485 | |
| 486 | function_am.registerPass([&] { return target_analysis; }); |
| 487 | |
| 488 | // Register required analysis managers |
| 489 | pass_builder.registerModuleAnalyses(module_am); |
| 490 | pass_builder.registerCGSCCAnalyses(cgscc_am); |
| 491 | pass_builder.registerFunctionAnalyses(function_am); |
| 492 | pass_builder.registerLoopAnalyses(loop_am); |
| 493 | pass_builder.crossRegisterProxies(loop_am, function_am, cgscc_am, module_am); |
| 494 | |
| 495 | pass_builder.registerPipelineStartEPCallback([&](llvm::ModulePassManager& module_pm, |
| 496 | llvm::OptimizationLevel Level) { |
| 497 | module_pm.addPass(llvm::ModuleInlinerPass()); |
| 498 | |
| 499 | llvm::FunctionPassManager function_pm; |
| 500 | function_pm.addPass(llvm::InstCombinePass()); |
| 501 | function_pm.addPass(llvm::PromotePass()); |
| 502 | function_pm.addPass(llvm::GVNPass()); |
| 503 | function_pm.addPass(llvm::NewGVNPass()); |
| 504 | function_pm.addPass(llvm::SimplifyCFGPass()); |
| 505 | function_pm.addPass(llvm::LoopVectorizePass()); |
| 506 | function_pm.addPass(llvm::SLPVectorizerPass()); |
| 507 | module_pm.addPass(llvm::createModuleToFunctionPassAdaptor(std::move(function_pm))); |
| 508 | |
| 509 | module_pm.addPass(llvm::GlobalOptPass()); |
| 510 | }); |
| 511 | |
| 512 | pass_builder.buildPerModuleDefaultPipeline(llvm::OptimizationLevel::O3) |
| 513 | .run(module, module_am); |
| 514 | } |
| 515 | #else |
| 516 | static void OptimizeModuleWithLegacyPassManager(llvm::Module& module, |
| 517 | llvm::TargetIRAnalysis target_analysis) { |