1 /* 2 * Copyright (c) 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_LOOP_PEELING_H 17 #define LIBLLVMBACKEND_TRANSFORMS_PASSES_LOOP_PEELING_H 18 19 #include <llvm/IR/PassManager.h> 20 #include <llvm/Analysis/LoopAnalysisManager.h> 21 #include <llvm/Transforms/Scalar/LoopPassManager.h> 22 23 namespace ark::llvmbackend { 24 struct LLVMCompilerOptions; 25 } // namespace ark::llvmbackend 26 27 namespace ark::llvmbackend { 28 class LLVMArkInterface; 29 } // namespace ark::llvmbackend 30 31 namespace ark::llvmbackend::passes { 32 33 class ArkLoopPeeling : public llvm::PassInfoMixin<ArkLoopPeeling> { 34 public: 35 // NOLINTNEXTLINE(readability-identifier-naming) 36 llvm::PreservedAnalyses run(llvm::Loop &loop, llvm::LoopAnalysisManager &analysisManager, 37 llvm::LoopStandardAnalysisResults &loopStandardAnalysisResults, 38 llvm::LPMUpdater &lpmUpdater); 39 40 explicit ArkLoopPeeling() = default; 41 42 static bool ShouldInsert(const ark::llvmbackend::LLVMCompilerOptions *options); 43 44 private: 45 bool ContainsDeoptimize(llvm::Loop *loop); 46 47 public: 48 static constexpr llvm::StringRef ARG_NAME = "ark-loop-peeling"; 49 }; 50 51 } // namespace ark::llvmbackend::passes 52 53 #endif // LIBLLVMBACKEND_TRANSFORMS_PASSES_LOOP_PEELING_H 54