1 //===-- DiffLog.h - Difference Log Builder and accessories ------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This header defines the interface to the LLVM difference log builder. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "DiffLog.h" 15 #include "DiffConsumer.h" 16 #include "llvm/ADT/SmallVector.h" 17 #include "llvm/ADT/StringRef.h" 18 #include "llvm/IR/Instructions.h" 19 20 using namespace llvm; 21 22 LogBuilder::~LogBuilder() { 23 consumer.logf(*this); 24 } 25 26 StringRef LogBuilder::getFormat() const { return Format; } 27 28 unsigned LogBuilder::getNumArguments() const { return Arguments.size(); } 29 Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; } 30 31 DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); } 32 33 void DiffLogBuilder::addMatch(Instruction *L, Instruction *R) { 34 Diff.push_back(DiffRecord(L, R)); 35 } 36 void DiffLogBuilder::addLeft(Instruction *L) { 37 // HACK: VS 2010 has a bug in the stdlib that requires this. 38 Diff.push_back(DiffRecord(L, DiffRecord::second_type(nullptr))); 39 } 40 void DiffLogBuilder::addRight(Instruction *R) { 41 // HACK: VS 2010 has a bug in the stdlib that requires this. 42 Diff.push_back(DiffRecord(DiffRecord::first_type(nullptr), R)); 43 } 44 45 unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); } 46 47 DiffChange DiffLogBuilder::getLineKind(unsigned I) const { 48 return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left) 49 : DC_right); 50 } 51 Instruction *DiffLogBuilder::getLeft(unsigned I) const { return Diff[I].first; } 52 Instruction *DiffLogBuilder::getRight(unsigned I) const { return Diff[I].second; } 53
