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_PANDA_RUNTIME_LOWERING_H 17 #define LIBLLVMBACKEND_TRANSFORMS_PASSES_PANDA_RUNTIME_LOWERING_H 18 19 #include <llvm/IR/IRBuilder.h> 20 #include <llvm/IR/PassManager.h> 21 22 namespace ark::llvmbackend { 23 class LLVMArkInterface; 24 struct LLVMCompilerOptions; 25 } // namespace ark::llvmbackend 26 27 namespace llvm { 28 class CallInst; 29 class Instruction; 30 } // namespace llvm 31 32 namespace ark::llvmbackend::passes { 33 34 class PandaRuntimeLowering : public llvm::PassInfoMixin<PandaRuntimeLowering> { 35 public: 36 explicit PandaRuntimeLowering(LLVMArkInterface *arkInterface = nullptr); 37 ShouldInsert(const ark::llvmbackend::LLVMCompilerOptions * options)38 static bool ShouldInsert([[maybe_unused]] const ark::llvmbackend::LLVMCompilerOptions *options) 39 { 40 return true; 41 } 42 43 static PandaRuntimeLowering Create(LLVMArkInterface *arkInterface, 44 const ark::llvmbackend::LLVMCompilerOptions *options); 45 46 // NOLINTNEXTLINE(readability-identifier-naming) 47 llvm::PreservedAnalyses run(llvm::Function &function, llvm::FunctionAnalysisManager &am); 48 49 private: 50 llvm::Value *GetMethodOrResolverPtr(llvm::IRBuilder<> *builder, llvm::CallInst *inst); 51 bool NeedsToBeLowered(llvm::CallInst *call); 52 void LowerBuiltin(llvm::CallInst *inst); 53 void LowerCallStatic(llvm::CallInst *inst); 54 void LowerCallVirtual(llvm::CallInst *inst); 55 void LowerDeoptimizeIntrinsic(llvm::CallInst *deoptimize); 56 57 private: 58 LLVMArkInterface *arkInterface_; 59 60 public: 61 static constexpr llvm::StringRef ARG_NAME = "runtime-calls-lowering"; 62 }; 63 64 } // namespace ark::llvmbackend::passes 65 66 #endif // LIBLLVMBACKEND_TRANSFORMS_PASSES_PANDA_RUNTIME_LOWERING_H 67