Rebased PNaCl localmods in LLVM to 223109

lib/Bitcode/NaCl/Analysis/NaClBitcodeSizeDist.cpp

Index: lib/Bitcode/NaCl/Analysis/NaClBitcodeSizeDist.cpp
diff --git a/lib/Bitcode/NaCl/Analysis/NaClBitcodeSizeDist.cpp b/lib/Bitcode/NaCl/Analysis/NaClBitcodeSizeDist.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9bdea988f981afadec3007d660b62047a9e8b44a
--- /dev/null
+++ b/lib/Bitcode/NaCl/Analysis/NaClBitcodeSizeDist.cpp
@@ -0,0 +1,59 @@
+//===-- NaClBitcodeSizeDist.cpp --------------------------------------------===//
+//      Implements distribution maps for value record sizes 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Bitcode/NaCl/NaClBitcodeSizeDist.h"
+
+using namespace llvm;
+
+NaClBitcodeSizeDistElement::~NaClBitcodeSizeDistElement() {}
+
+NaClBitcodeDistElement *NaClBitcodeSizeDistElement::CreateElement(
+    NaClBitcodeDistValue Value) const {
+  return new NaClBitcodeSizeDistElement();
+}
+
+void NaClBitcodeSizeDistElement::
+GetValueList(const NaClBitcodeRecord &Record,
+             ValueListType &ValueList) const {
+  unsigned Size = Record.GetValues().size();
+  // Map all sizes greater than the max value index into the same bucket.
+  if (Size > NaClValueIndexCutoff) Size = NaClValueIndexCutoff;
+  ValueList.push_back(Size);
+}
+
+void NaClBitcodeSizeDistElement::AddRecord(const NaClBitcodeRecord &Record) {
+  NaClBitcodeDistElement::AddRecord(Record);
+  ValueIndexDist.AddRecord(Record);
+}
+
+const SmallVectorImpl<NaClBitcodeDist*> *NaClBitcodeSizeDistElement::
+GetNestedDistributions() const {
+  return &NestedDists;
+}
+
+const char *NaClBitcodeSizeDistElement::GetTitle() const {
+  return "Record sizes";
+}
+
+const char *NaClBitcodeSizeDistElement::GetValueHeader() const {
+  return "   Size";
+}
+
+void NaClBitcodeSizeDistElement::
+PrintRowValue(raw_ostream &Stream,
+              NaClBitcodeDistValue Value,
+              const NaClBitcodeDist *Distribution) const {
+  Stream << format("%7u", Value);
+  // Report if we merged in GetValueList.
+  if (Value >= NaClValueIndexCutoff) Stream << "+";
+}
+
+NaClBitcodeSizeDistElement NaClBitcodeSizeDistElement::Sentinel;