1344a3780SDimitry Andric //===- MIRYamlMapping.cpp - Describe mapping between MIR and YAML ---------===// 2344a3780SDimitry Andric // 3344a3780SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4344a3780SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5344a3780SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6344a3780SDimitry Andric // 7344a3780SDimitry Andric //===----------------------------------------------------------------------===// 8344a3780SDimitry Andric // 9344a3780SDimitry Andric // This file implements the mapping between various MIR data structures and 10344a3780SDimitry Andric // their corresponding YAML representation. 11344a3780SDimitry Andric // 12344a3780SDimitry Andric //===----------------------------------------------------------------------===// 13344a3780SDimitry Andric 14344a3780SDimitry Andric #include "llvm/CodeGen/MIRYamlMapping.h" 15344a3780SDimitry Andric #include "llvm/CodeGen/MachineFrameInfo.h" 16344a3780SDimitry Andric #include "llvm/Support/Error.h" 17344a3780SDimitry Andric #include "llvm/Support/FormatVariadic.h" 18344a3780SDimitry Andric 19344a3780SDimitry Andric using namespace llvm; 20344a3780SDimitry Andric using namespace llvm::yaml; 21344a3780SDimitry Andric FrameIndex(int FI,const llvm::MachineFrameInfo & MFI)22344a3780SDimitry AndricFrameIndex::FrameIndex(int FI, const llvm::MachineFrameInfo &MFI) { 23344a3780SDimitry Andric IsFixed = MFI.isFixedObjectIndex(FI); 24344a3780SDimitry Andric if (IsFixed) 25344a3780SDimitry Andric FI -= MFI.getObjectIndexBegin(); 26344a3780SDimitry Andric this->FI = FI; 27344a3780SDimitry Andric } 28344a3780SDimitry Andric 29344a3780SDimitry Andric // Returns the value and if the frame index is fixed or not. getFI(const llvm::MachineFrameInfo & MFI) const30344a3780SDimitry AndricExpected<int> FrameIndex::getFI(const llvm::MachineFrameInfo &MFI) const { 31344a3780SDimitry Andric int FI = this->FI; 32344a3780SDimitry Andric if (IsFixed) { 33344a3780SDimitry Andric if (unsigned(FI) >= MFI.getNumFixedObjects()) 34344a3780SDimitry Andric return make_error<StringError>( 35344a3780SDimitry Andric formatv("invalid fixed frame index {0}", FI).str(), 36344a3780SDimitry Andric inconvertibleErrorCode()); 37344a3780SDimitry Andric FI += MFI.getObjectIndexBegin(); 38344a3780SDimitry Andric } 39344a3780SDimitry Andric if (unsigned(FI + MFI.getNumFixedObjects()) >= MFI.getNumObjects()) 40344a3780SDimitry Andric return make_error<StringError>(formatv("invalid frame index {0}", FI).str(), 41344a3780SDimitry Andric inconvertibleErrorCode()); 42344a3780SDimitry Andric return FI; 43344a3780SDimitry Andric } 44