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This patch is a big refactoring of llvm-diff. It doesn't add new features, but it re-organizes the old features, so I can insert the MetadataEngine to use the same infrastructure.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127627 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin
2011-03-14 22:22:46 +00:00
parent 6e70cc1f97
commit 7d4fc4fb34
8 changed files with 452 additions and 321 deletions
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tools/llvm-diff/DiffLog.cpp
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//===-- 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/Instructions.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.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; }