mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-03 14:21:30 +00:00 
			
		
		
		
	Accidentally committed a few more of these cleanup changes than intended. Still breaking these out & tidying them up. This reverts commit r231135. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231136 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- 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.
 | 
						|
//
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
 | 
						|
#ifndef LLVM_TOOLS_LLVM_DIFF_DIFFLOG_H
 | 
						|
#define LLVM_TOOLS_LLVM_DIFF_DIFFLOG_H
 | 
						|
 | 
						|
#include "llvm/ADT/SmallVector.h"
 | 
						|
#include "llvm/ADT/StringRef.h"
 | 
						|
 | 
						|
namespace llvm {
 | 
						|
  class Instruction;
 | 
						|
  class Value;
 | 
						|
  class Consumer;
 | 
						|
 | 
						|
  /// Trichotomy assumption
 | 
						|
  enum DiffChange { DC_match, DC_left, DC_right };
 | 
						|
 | 
						|
  /// A temporary-object class for building up log messages.
 | 
						|
  class LogBuilder {
 | 
						|
    Consumer &consumer;
 | 
						|
 | 
						|
    /// The use of a stored StringRef here is okay because
 | 
						|
    /// LogBuilder should be used only as a temporary, and as a
 | 
						|
    /// temporary it will be destructed before whatever temporary
 | 
						|
    /// might be initializing this format.
 | 
						|
    StringRef Format;
 | 
						|
 | 
						|
    SmallVector<Value*, 4> Arguments;
 | 
						|
 | 
						|
  public:
 | 
						|
    LogBuilder(Consumer &c, StringRef Format)
 | 
						|
      : consumer(c), Format(Format) {}
 | 
						|
 | 
						|
    LogBuilder &operator<<(Value *V) {
 | 
						|
      Arguments.push_back(V);
 | 
						|
      return *this;
 | 
						|
    }
 | 
						|
 | 
						|
    ~LogBuilder();
 | 
						|
 | 
						|
    StringRef getFormat() const;
 | 
						|
    unsigned getNumArguments() const;
 | 
						|
    Value *getArgument(unsigned I) const;
 | 
						|
  };
 | 
						|
 | 
						|
  /// A temporary-object class for building up diff messages.
 | 
						|
  class DiffLogBuilder {
 | 
						|
    typedef std::pair<Instruction*,Instruction*> DiffRecord;
 | 
						|
    SmallVector<DiffRecord, 20> Diff;
 | 
						|
 | 
						|
    Consumer &consumer;
 | 
						|
 | 
						|
  public:
 | 
						|
    DiffLogBuilder(Consumer &c) : consumer(c) {}
 | 
						|
    ~DiffLogBuilder();
 | 
						|
 | 
						|
    void addMatch(Instruction *L, Instruction *R);
 | 
						|
    // HACK: VS 2010 has a bug in the stdlib that requires this.
 | 
						|
    void addLeft(Instruction *L);
 | 
						|
    void addRight(Instruction *R);
 | 
						|
 | 
						|
    unsigned getNumLines() const;
 | 
						|
    DiffChange getLineKind(unsigned I) const;
 | 
						|
    Instruction *getLeft(unsigned I) const;
 | 
						|
    Instruction *getRight(unsigned I) const;
 | 
						|
  };
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
#endif
 |