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Clean up llvm-bcanalyzer to print to consistent streams. 

Avoid interleaving fprintf(stderr,...) and outs() << ...;

Also add a column to show "bytes-per" for each record.

llvm-svn: 163240
This commit is contained in:
Jan Wen Voung 2012-09-05 20:55:54 +00:00
parent d4439aa9ed
commit 52ad208146
1 changed files with 17 additions and 13 deletions
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30
llvm/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
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@ -40,7 +40,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
#include <cstdio>
#include <map>
#include <algorithm>
using namespace llvm;
@ -463,11 +463,11 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) {
}
static void PrintSize(double Bits) {
fprintf(stderr, "%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32));
outs() << format("%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32));
}
static void PrintSize(uint64_t Bits) {
fprintf(stderr, "%lub/%.2fB/%luW", (unsigned long)Bits,
(double)Bits/8, (unsigned long)(Bits/32));
outs() << format("%lub/%.2fB/%luW", (unsigned long)Bits,
(double)Bits/8, (unsigned long)(Bits/32));
}
@ -556,7 +556,7 @@ static int AnalyzeBitcode() {
PrintSize(Stats.NumBits);
outs() << "\n";
double pct = (Stats.NumBits * 100.0) / BufferSizeBits;
errs() << " Percent of file: " << format("%2.4f%%", pct) << "\n";
outs() << " Percent of file: " << format("%2.4f%%", pct) << "\n";
if (Stats.NumInstances > 1) {
outs() << " Average Size: ";
PrintSize(Stats.NumBits/(double)Stats.NumInstances);
@ -588,24 +588,28 @@ static int AnalyzeBitcode() {
std::reverse(FreqPairs.begin(), FreqPairs.end());
outs() << "\tRecord Histogram:\n";
fprintf(stderr, "\t\t Count # Bits %% Abv Record Kind\n");
outs() << "\t\t Count # Bits Bytes-Per %% Abv Record Kind\n";
for (unsigned i = 0, e = FreqPairs.size(); i != e; ++i) {
const PerRecordStats &RecStats = Stats.CodeFreq[FreqPairs[i].second];
fprintf(stderr, "\t\t%7d %9lu ", RecStats.NumInstances,
(unsigned long)RecStats.TotalBits);
outs() <<
format("\t\t%7d %9lu %9.2f",
RecStats.NumInstances,
(unsigned long)RecStats.TotalBits,
((double)RecStats.TotalBits/RecStats.NumInstances)/8.0);
if (RecStats.NumAbbrev)
fprintf(stderr, "%7.2f ",
(double)RecStats.NumAbbrev/RecStats.NumInstances*100);
outs() <<
format("%7.2f ",
(double)RecStats.NumAbbrev/RecStats.NumInstances*100);
else
fprintf(stderr, " ");
outs() << " ";
if (const char *CodeName =
GetCodeName(FreqPairs[i].second, I->first, StreamFile))
fprintf(stderr, "%s\n", CodeName);
outs() << CodeName << "\n";
else
fprintf(stderr, "UnknownCode%d\n", FreqPairs[i].second);
outs() << "UnknownCode" << FreqPairs[i].second << "\n";
}
outs() << "\n";