Rebased PNaCl localmods in LLVM to 223109

include/llvm/Bitcode/NaCl/NaClBitcodeSubblockDist.h

+//===-- NaClBitcodeSubblockDist.h -----------------------------------------===//
+//      Defines distribution maps for subblock values within an
+//      (externally specified) block.
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines the notion subblock distribution map. Shows what subblocks appear
+// within a given block (defined externally to the distribution map).
+
+#ifndef LLVM_BITCODE_NACL_NACLBITCODESUBBLOCKDIST_H
+#define LLVM_BITCODE_NACL_NACLBITCODESUBBLOCKDIST_H
+
+#include "llvm/Bitcode/NaCl/NaClBitcodeDist.h"
+
+namespace llvm {
+
+/// Collects the distribution of subblocks within an (externally defined)
+/// block.
+class NaClBitcodeSubblockDistElement : public NaClBitcodeDistElement {
+  NaClBitcodeSubblockDistElement(const NaClBitcodeSubblockDistElement &)
+  LLVM_DELETED_FUNCTION;
+  void operator=(const NaClBitcodeSubblockDistElement&);
+
+public:
+  static bool classof(const NaClBitcodeDistElement *Element) {
+    return Element->getKind() >= RDE_SubblockDist &&
+        Element->getKind() < RDE_SubblockDistLast;
+  }
+
+  NaClBitcodeSubblockDistElement()
+      : NaClBitcodeDistElement(RDE_SubblockDist) {}
+
+  virtual ~NaClBitcodeSubblockDistElement();
+
+  virtual NaClBitcodeDistElement *CreateElement(
+      NaClBitcodeDistValue Value) const;
+
+  virtual const char *GetTitle() const;
+
+  virtual const char *GetValueHeader() const;
+
+  virtual void PrintRowValue(raw_ostream &Stream,
+                             NaClBitcodeDistValue Value,
+                             const NaClBitcodeDist *Distribution) const;
+};
+
+/// Collects the distribution of subblocks within an (externally
+/// defined) block. Assumes distribution elements are instances of
+/// NaClBitcodeSubblockDistElement.
+class NaClBitcodeSubblockDist : public NaClBitcodeDist {
+  NaClBitcodeSubblockDist(const NaClBitcodeSubblockDist&) LLVM_DELETED_FUNCTION;
+  void operator=(const NaClBitcodeSubblockDist&) LLVM_DELETED_FUNCTION;
+
+public:
+  static bool classof(const NaClBitcodeDist *Dist) {
+    return Dist->getKind() >= RD_SubblockDist &&
+        Dist->getKind() < RD_SubblockDistLast;
+  }
+
+  static NaClBitcodeSubblockDistElement DefaultSentinal;
+
+  NaClBitcodeSubblockDist()
+      : NaClBitcodeDist(BlockStorage, &DefaultSentinal, RD_SubblockDist)
+  {}
+
+  virtual ~NaClBitcodeSubblockDist();
+};
+
+}
+
+#endif