1 /* 2 * Copyright (c) 2023-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef LIBLLVMBACKEND_TRANSFORMS_PASSES_INLINE_IR_MARK_ALWAYS_INLINE_H 17 #define LIBLLVMBACKEND_TRANSFORMS_PASSES_INLINE_IR_MARK_ALWAYS_INLINE_H 18 19 #include <llvm/IR/PassManager.h> 20 21 namespace ark::llvmbackend { 22 struct LLVMCompilerOptions; 23 } // namespace ark::llvmbackend 24 25 namespace ark::llvmbackend::passes { 26 27 /** 28 * Set AlwaysInline attribute to calls in root functions 29 * 30 * Root function is a function without FUNCTION_MD_INLINE_MODULE metadata 31 */ 32 class MarkAlwaysInline : public llvm::PassInfoMixin<MarkAlwaysInline> { 33 public: 34 static bool ShouldInsert(const ark::llvmbackend::LLVMCompilerOptions *options); 35 36 // NOLINTNEXTLINE(readability-identifier-naming) 37 llvm::PreservedAnalyses run(llvm::Function &function, llvm::FunctionAnalysisManager &analysis_manager); 38 39 private: 40 bool InlineCallTree(llvm::Function *function, int32_t level, int32_t maxLevel); 41 42 public: 43 static constexpr llvm::StringRef ARG_NAME = "mark-always-inline"; 44 }; 45 46 } // namespace ark::llvmbackend::passes 47 48 #endif // LIBLLVMBACKEND_TRANSFORMS_PASSES_INLINE_IR_MARK_ALWAYS_INLINE_H 49