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Unified Diff: include/llvm/Bitcode/NaCl/NaClBitcodeCodeDist.h

Issue 939073008: Rebased PNaCl localmods in LLVM to 223109 (Closed)
Patch Set: undo localmod Created 5 years, 10 months ago
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Index: include/llvm/Bitcode/NaCl/NaClBitcodeCodeDist.h
diff --git a/include/llvm/Bitcode/NaCl/NaClBitcodeCodeDist.h b/include/llvm/Bitcode/NaCl/NaClBitcodeCodeDist.h
new file mode 100644
index 0000000000000000000000000000000000000000..7181851c081afa05eb8751f96d987e7a274e78ad
--- /dev/null
+++ b/include/llvm/Bitcode/NaCl/NaClBitcodeCodeDist.h
@@ -0,0 +1,113 @@
+//===-- NaClBitcodeCodeDist.h ---------------------------------------------===//
+// Defines distribution maps for various values in bitcode records.
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines simple (non-nested) distribution maps for record codes
+// appearing in bitcode records (instances of class NaClBitcodeRecord
+// in NaClBitcodeParser.h).
+
+#ifndef LLVM_BITCODE_NACL_NACLBITCODECODEDIST_H
+#define LLVM_BITCODE_NACL_NACLBITCODECODEDIST_H
+
+#include "llvm/Bitcode/NaCl/NaClBitcodeBitsAndAbbrevsDist.h"
+
+namespace llvm {
+
+// Collects the distribution of record codes/number of bits used for a
+// particular blockID and Code ID.
+class NaClBitcodeCodeDistElement
+ : public NaClBitcodeBitsAndAbbrevsDistElement {
+ NaClBitcodeCodeDistElement(const NaClBitcodeCodeDistElement&)
+ LLVM_DELETED_FUNCTION;
+ void operator=(const NaClBitcodeCodeDistElement&)
+ LLVM_DELETED_FUNCTION;
+
+public:
+ static bool classof(const NaClBitcodeDistElement *Element) {
+ return Element->getKind() >= RDE_CodeDist
+ && Element->getKind() < RDE_CodeDistLast;
+ }
+
+ explicit NaClBitcodeCodeDistElement(
+ NaClBitcodeDistElementKind Kind=RDE_CodeDist)
+ : NaClBitcodeBitsAndAbbrevsDistElement(Kind)
+ {}
+
+ virtual ~NaClBitcodeCodeDistElement();
+
+ virtual NaClBitcodeDistElement *CreateElement(
+ NaClBitcodeDistValue Value) const;
+
+ virtual void GetValueList(const NaClBitcodeRecord &Record,
+ ValueListType &ValueList) 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 record codes/number of bits used for a
+// particular blockID. Assumes distribution elements are instances of
+// NaClBitcodeCodeDistElement.
+class NaClBitcodeCodeDist : public NaClBitcodeDist {
+ NaClBitcodeCodeDist(const NaClBitcodeCodeDist&)
+ LLVM_DELETED_FUNCTION;
+ void operator=(const NaClBitcodeCodeDist&)
+ LLVM_DELETED_FUNCTION;
+
+public:
+ static bool classof(const NaClBitcodeDist *Dist) {
+ return Dist->getKind() >= RD_CodeDist
+ && Dist->getKind() < RD_CodeDistLast;
+ }
+
+protected:
+ NaClBitcodeCodeDist(NaClBitcodeDistElement *Sentinal,
+ unsigned BlockID,
+ NaClBitcodeDistKind Kind=RD_CodeDist)
+ : NaClBitcodeDist(RecordStorage, Sentinal, Kind), BlockID(BlockID)
+ {}
+
+ static NaClBitcodeCodeDistElement DefaultSentinel;
+
+public:
+ explicit NaClBitcodeCodeDist(
+ unsigned BlockID,
+ NaClBitcodeCodeDistElement *Sentinel = &DefaultSentinel,
+ NaClBitcodeDistKind Kind=RD_CodeDist)
+ : NaClBitcodeDist(RecordStorage, Sentinel, Kind),
+ BlockID(BlockID)
+ {}
+
+ virtual ~NaClBitcodeCodeDist();
+
+ unsigned GetBlockID() const {
+ return BlockID;
+ }
+
+ // Returns the printable name for record code CodeID in blocks
+ // associated with BlockID.
+ //
+ // Note: If the name is not known, an "UnknownCode" name is
+ // generated and return.
+ static std::string GetCodeName(unsigned CodeID, unsigned BlockID);
+
+private:
+ // The blockID associated with the record code distribution.
+ // Used so that we can look up the print name for each record code.
+ unsigned BlockID;
+};
+
+}
+
+#endif
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