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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 
17 #include "llvm/Instructions.h"
18 #include "llvm/ADT/SmallVector.h"
19 #include "llvm/ADT/StringRef.h"
20 
21 using namespace llvm;
22 
~LogBuilder()23 LogBuilder::~LogBuilder() {
24   consumer.logf(*this);
25 }
26 
getFormat() const27 StringRef LogBuilder::getFormat() const { return Format; }
28 
getNumArguments() const29 unsigned LogBuilder::getNumArguments() const { return Arguments.size(); }
getArgument(unsigned I) const30 Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; }
31 
~DiffLogBuilder()32 DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); }
33 
addMatch(Instruction * L,Instruction * R)34 void DiffLogBuilder::addMatch(Instruction *L, Instruction *R) {
35   Diff.push_back(DiffRecord(L, R));
36 }
addLeft(Instruction * L)37 void DiffLogBuilder::addLeft(Instruction *L) {
38   // HACK: VS 2010 has a bug in the stdlib that requires this.
39   Diff.push_back(DiffRecord(L, DiffRecord::second_type(0)));
40 }
addRight(Instruction * R)41 void DiffLogBuilder::addRight(Instruction *R) {
42   // HACK: VS 2010 has a bug in the stdlib that requires this.
43   Diff.push_back(DiffRecord(DiffRecord::first_type(0), R));
44 }
45 
getNumLines() const46 unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); }
47 
getLineKind(unsigned I) const48 DiffChange DiffLogBuilder::getLineKind(unsigned I) const {
49   return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left)
50                         : DC_right);
51 }
getLeft(unsigned I) const52 Instruction *DiffLogBuilder::getLeft(unsigned I) const { return Diff[I].first; }
getRight(unsigned I) const53 Instruction *DiffLogBuilder::getRight(unsigned I) const { return Diff[I].second; }
54