aboutsummaryrefslogtreecommitdiffstats
path: root/tools/llvm-diff/DiffLog.cpp
blob: caf779bb4030bab26dec265321869e7fae5f3832 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
//===-- DiffLog.h - Difference Log Builder and accessories ------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines the interface to the LLVM difference log builder.
//
//===----------------------------------------------------------------------===//

#include "DiffLog.h"
#include "DiffConsumer.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Instructions.h"

using namespace llvm;

LogBuilder::~LogBuilder() {
  consumer.logf(*this);
}

StringRef LogBuilder::getFormat() const { return Format; }

unsigned LogBuilder::getNumArguments() const { return Arguments.size(); }
Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; }

DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); }

void DiffLogBuilder::addMatch(Instruction *L, Instruction *R) {
  Diff.push_back(DiffRecord(L, R));
}
void DiffLogBuilder::addLeft(Instruction *L) {
  // HACK: VS 2010 has a bug in the stdlib that requires this.
  Diff.push_back(DiffRecord(L, DiffRecord::second_type(0)));
}
void DiffLogBuilder::addRight(Instruction *R) {
  // HACK: VS 2010 has a bug in the stdlib that requires this.
  Diff.push_back(DiffRecord(DiffRecord::first_type(0), R));
}

unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); }

DiffChange DiffLogBuilder::getLineKind(unsigned I) const {
  return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left)
                        : DC_right);
}
Instruction *DiffLogBuilder::getLeft(unsigned I) const { return Diff[I].first; }
Instruction *DiffLogBuilder::getRight(unsigned I) const { return Diff[I].second; }