Index: include/llvm/Bitcode/NaCl/NaClBitcodeAbbrevDist.h |
diff --git a/include/llvm/Bitcode/NaCl/NaClBitcodeAbbrevDist.h b/include/llvm/Bitcode/NaCl/NaClBitcodeAbbrevDist.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..932b15faa0cdbd95e09af4a8168cb64632255931 |
--- /dev/null |
+++ b/include/llvm/Bitcode/NaCl/NaClBitcodeAbbrevDist.h |
@@ -0,0 +1,119 @@ |
+//===-- NaClBitcodeAbbrevDist.h ---------------------------------------------===// |
+// Defines distribution maps for abbreviations associated with |
+// bitcode records. |
+// |
+// The LLVM Compiler Infrastructure |
+// |
+// This file is distributed under the University of Illinois Open Source |
+// License. See LICENSE.TXT for details. |
+// |
+//===----------------------------------------------------------------------===// |
+// |
+// Defines distribution maps for tracking abbreviations associated |
+// with bitcode records. |
+ |
+#ifndef LLVM_BITCODE_NACL_NACLBITCODEABBREVDIST_H |
+#define LLVM_BITCODE_NACL_NACLBITCODEABBREVDIST_H |
+ |
+#include "llvm/Bitcode/NaCl/NaClBitcodeDist.h" |
+#include "llvm/Bitcode/NaCl/NaClCompressCodeDist.h" |
+ |
+namespace llvm { |
+ |
+/// Collects the number of instances associated with a given abbreviation |
+/// index of a bitcode record. Note: Uses naclbitc::UNABBREV_RECORD index |
+/// to denote bitcode records that did not use an abbreviation. |
+class NaClBitcodeAbbrevDistElement : public NaClBitcodeDistElement { |
+ NaClBitcodeAbbrevDistElement(const NaClBitcodeAbbrevDistElement&) |
+ LLVM_DELETED_FUNCTION; |
+ void operator=(const NaClBitcodeAbbrevDistElement&) LLVM_DELETED_FUNCTION; |
+ |
+public: |
+ static bool classof(const NaClBitcodeDistElement *Element) { |
+ return Element->getKind() >= RDE_AbbrevDist && |
+ Element->getKind() < RDE_AbbrevDistLast; |
+ } |
+ |
+ explicit NaClBitcodeAbbrevDistElement(unsigned BlockID=0) |
+ : NaClBitcodeDistElement(RDE_AbbrevDist), |
+ CodeDist(BlockID, &NaClCompressCodeDistElement::Sentinel) { |
+ NestedDists.push_back(&CodeDist); |
+ } |
+ |
+ // Sentinel to create instances of this. |
+ static NaClBitcodeAbbrevDistElement Sentinel; |
+ |
+ virtual ~NaClBitcodeAbbrevDistElement(); |
+ |
+ virtual NaClBitcodeDistElement *CreateElement( |
+ NaClBitcodeDistValue Value) const; |
+ |
+ virtual void GetValueList(const NaClBitcodeRecord &Record, |
+ ValueListType &ValueList) const; |
+ |
+ virtual void AddRecord(const NaClBitcodeRecord &Record); |
+ |
+ virtual const char *GetTitle() const; |
+ |
+ virtual const char *GetValueHeader() const; |
+ |
+ virtual void PrintRowValue(raw_ostream &Stream, |
+ NaClBitcodeDistValue Value, |
+ const NaClBitcodeDist *Distribution) const; |
+ |
+ virtual const SmallVectorImpl<NaClBitcodeDist*> * |
+ GetNestedDistributions() const; |
+ |
+ NaClBitcodeDist &GetCodeDist() { |
+ return CodeDist; |
+ } |
+ |
+private: |
+ // Nested blocks used by GetNestedDistributions. |
+ SmallVector<NaClBitcodeDist*, 1> NestedDists; |
+ |
+ /// The records associated with the given abbreviation. |
+ NaClBitcodeCodeDist CodeDist; |
+}; |
+ |
+/// Separates record codes based on abbreviations. This is done so |
+/// that when we add abbreviations, they will be refinements of |
+/// existing abbreviations. This should guarantee that we don't lose |
+/// separation defined by previous iterations on calls to |
+/// pnacl-bccompress. |
+class NaClBitcodeAbbrevDist : public NaClBitcodeDist { |
+public: |
+ static bool classof(const NaClBitcodeDist *Dist) { |
+ return Dist->getKind() >= RD_AbbrevDist && |
+ Dist->getKind() < RD_AbbrevDistLast; |
+ } |
+ |
+ explicit NaClBitcodeAbbrevDist( |
+ unsigned BlockID, |
+ NaClBitcodeAbbrevDistElement *Sentinel |
+ = &NaClBitcodeAbbrevDistElement::Sentinel, |
+ NaClBitcodeDistKind Kind=RD_AbbrevDist) |
+ : NaClBitcodeDist(RecordStorage, Sentinel, Kind), |
+ BlockID(BlockID) { |
+ } |
+ |
+ virtual ~NaClBitcodeAbbrevDist(); |
+ |
+ // Returns the block id associated with the abbreviations in this |
+ // distribution map. |
+ unsigned GetBlockID() const { |
+ return BlockID; |
+ } |
+ |
+ virtual NaClBitcodeDistElement* |
+ CreateElement(NaClBitcodeDistValue Value) const; |
+ |
+private: |
+ // The block id associated with the abbreviations in this |
+ // distribution map. |
+ unsigned BlockID; |
+}; |
+ |
+} |
+ |
+#endif |