Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/tools/llvm-diff/DiffConsumer.h

@@ -1,91 +0,0 @@
-//===-- DiffConsumer.h - Difference Consumer --------------------*- 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 Consumer
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TOOLS_LLVM_DIFF_DIFFCONSUMER_H
-#define LLVM_TOOLS_LLVM_DIFF_DIFFCONSUMER_H
-
-#include "DiffLog.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/IR/Value.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/raw_ostream.h"
-
-namespace llvm {
-class StringRef;
-  class Module;
-  class Value;
-  class Function;
-
-  /// The interface for consumers of difference data.
-  class Consumer {
-    virtual void anchor();
-  public:
-    /// Record that a local context has been entered.  Left and
-    /// Right are IR "containers" of some sort which are being
-    /// considered for structural equivalence: global variables,
-    /// functions, blocks, instructions, etc.
-    virtual void enterContext(Value *Left, Value *Right) = 0;
-
-    /// Record that a local context has been exited.
-    virtual void exitContext() = 0;
-
-    /// Record a difference within the current context.
-    virtual void log(StringRef Text) = 0;
-
-    /// Record a formatted difference within the current context.
-    virtual void logf(const LogBuilder &Log) = 0;
-
-    /// Record a line-by-line instruction diff.
-    virtual void logd(const DiffLogBuilder &Log) = 0;
-
-  protected:
-    virtual ~Consumer() {}
-  };
-
-  class DiffConsumer : public Consumer {
-  private:
-    struct DiffContext {
-      DiffContext(Value *L, Value *R)
-        : L(L), R(R), Differences(false), IsFunction(isa<Function>(L)) {}
-      Value *L;
-      Value *R;
-      bool Differences;
-      bool IsFunction;
-      DenseMap<Value*,unsigned> LNumbering;
-      DenseMap<Value*,unsigned> RNumbering;
-    };
-
-    raw_ostream &out;
-    SmallVector<DiffContext, 5> contexts;
-    bool Differences;
-    unsigned Indent;
-
-    void printValue(Value *V, bool isL);
-    void header();
-    void indent();
-
-  public:
-    DiffConsumer()
-      : out(errs()), Differences(false), Indent(0) {}
-
-    bool hadDifferences() const;
-    void enterContext(Value *L, Value *R) override;
-    void exitContext() override;
-    void log(StringRef text) override;
-    void logf(const LogBuilder &Log) override;
-    void logd(const DiffLogBuilder &Log) override;
-  };
-}
-
-#endif