Revert "[llvm-diff] Create libLLVMDiff library"

This reverts commit 9854f2f30f84123ca78aa3603102e7cef4ec33c8 since it
broke all the builds.

1 files changed, 0 insertions, 83 deletions

diff --git a/llvm/tools/llvm-diff/lib/DiffLog.h b/llvm/tools/llvm-diff/lib/DiffLog.h
deleted file mode 100644
index d8b07b9..0000000
--- a/llvm/tools/llvm-diff/lib/DiffLog.h
+++ /dev/null
@@ -1,83 +0,0 @@
-//===-- DiffLog.h - Difference Log Builder and accessories ------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// 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<const Value *, 4> Arguments;
-
-  public:
-    LogBuilder(Consumer &c, StringRef Format) : consumer(&c), Format(Format) {}
-    LogBuilder(LogBuilder &&L)
-        : consumer(L.consumer), Format(L.Format),
-          Arguments(std::move(L.Arguments)) {
-      L.consumer = nullptr;
-    }
-
-    LogBuilder &operator<<(const Value *V) {
-      Arguments.push_back(V);
-      return *this;
-    }
-
-    ~LogBuilder();
-
-    StringRef getFormat() const;
-    unsigned getNumArguments() const;
-    const Value *getArgument(unsigned I) const;
-  };
-
-  /// A temporary-object class for building up diff messages.
-  class DiffLogBuilder {
-    typedef std::pair<const Instruction *, const Instruction *> DiffRecord;
-    SmallVector<DiffRecord, 20> Diff;
-
-    Consumer &consumer;
-
-  public:
-    DiffLogBuilder(Consumer &c) : consumer(c) {}
-    ~DiffLogBuilder();
-
-    void addMatch(const Instruction *L, const Instruction *R);
-    // HACK: VS 2010 has a bug in the stdlib that requires this.
-    void addLeft(const Instruction *L);
-    void addRight(const Instruction *R);
-
-    unsigned getNumLines() const;
-    DiffChange getLineKind(unsigned I) const;
-    const Instruction *getLeft(unsigned I) const;
-    const Instruction *getRight(unsigned I) const;
-  };
-
-}
-
-#endif