Rebased PNaCl localmods in LLVM to 223109

lib/Bitcode/NaCl/Analysis/NaClBitcodeBitsDist.cpp

Index: lib/Bitcode/NaCl/Analysis/NaClBitcodeBitsDist.cpp
diff --git a/lib/Bitcode/NaCl/Analysis/NaClBitcodeBitsDist.cpp b/lib/Bitcode/NaCl/Analysis/NaClBitcodeBitsDist.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a8bb6db4830c6af106bdd282cd1e7d4f4fae9972
--- /dev/null
+++ b/lib/Bitcode/NaCl/Analysis/NaClBitcodeBitsDist.cpp
@@ -0,0 +1,40 @@
+//===- NaClBitcodeBitsDist.cpp ----------------------------------*- C++ -*-===//
+//     Implements distributions of values with the corresponding number
+//     of bits in PNaCl bitcode.
+//
+//                     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/NaClBitcodeBitsDist.h"
+
+using namespace llvm;
+
+NaClBitcodeBitsDistElement::~NaClBitcodeBitsDistElement() {}
+
+void NaClBitcodeBitsDistElement::AddRecord(const NaClBitcodeRecord &Record) {
+  NaClBitcodeDistElement::AddRecord(Record);
+  TotalBits += Record.GetNumBits();
+}
+
+void NaClBitcodeBitsDistElement::AddBlock(const NaClBitcodeBlock &Block) {
+  NaClBitcodeDistElement::AddBlock(Block);
+  TotalBits += Block.GetLocalNumBits();
+}
+
+void NaClBitcodeBitsDistElement::PrintStatsHeader(raw_ostream &Stream) const {
+  NaClBitcodeDistElement::PrintStatsHeader(Stream);
+  Stream << "    # Bits    Bits/Elmt";
+}
+
+void NaClBitcodeBitsDistElement::
+PrintRowStats(raw_ostream &Stream,
+              const NaClBitcodeDist *Distribution) const {
+  NaClBitcodeDistElement::PrintRowStats(Stream, Distribution);
+  Stream << format(" %9lu %12.2f",
+                   (unsigned long) GetTotalBits(),
+                   (double) GetTotalBits()/GetNumInstances());
+}