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Diffstat (limited to 'llvm/support/lib/Support/Statistic.cpp')
| -rw-r--r-- | llvm/support/lib/Support/Statistic.cpp | 99 | 
1 files changed, 0 insertions, 99 deletions
diff --git a/llvm/support/lib/Support/Statistic.cpp b/llvm/support/lib/Support/Statistic.cpp deleted file mode 100644 index ae9f57f80ed..00000000000 --- a/llvm/support/lib/Support/Statistic.cpp +++ /dev/null @@ -1,99 +0,0 @@ -//===-- Statistic.cpp - Easy way to expose stats information --------------===// -// -// This file implements the 'Statistic' class, which is designed to be an easy -// way to expose various success metrics from passes.  These statistics are -// printed at the end of a run, when the -stats command line option is enabled -// on the command line. -// -// This is useful for reporting information like the number of instructions -// simplified, optimized or removed by various transformations, like this: -// -// static Statistic<> NumInstEliminated("GCSE - Number of instructions killed"); -// -// Later, in the code: ++NumInstEliminated; -// -//===----------------------------------------------------------------------===// - -#include "Support/Statistic.h" -#include "Support/CommandLine.h" -#include <sstream> -#include <iostream> -#include <algorithm> - -// GetLibSupportInfoOutputFile - Return a file stream to print our output on... -std::ostream *GetLibSupportInfoOutputFile(); - -unsigned StatisticBase::NumStats = 0; - -// -stats - Command line option to cause transformations to emit stats about -// what they did. -// -static cl::opt<bool> -Enabled("stats", cl::desc("Enable statistics output from program")); - -struct StatRecord { -  std::string Value; -  const char *Name, *Desc; - -  StatRecord(const std::string V, const char *N, const char *D) -    : Value(V), Name(N), Desc(D) {} - -  bool operator<(const StatRecord &SR) const { -    return std::strcmp(Name, SR.Name) < 0; -  } - -  void print(unsigned ValFieldSize, unsigned NameFieldSize, -             std::ostream &OS) { -    OS << std::string(ValFieldSize-Value.length(), ' ') -       << Value << " " << Name -       << std::string(NameFieldSize-std::strlen(Name), ' ') -       << " - " << Desc << "\n"; -  } -}; - -static std::vector<StatRecord> *AccumStats = 0; - -// Print information when destroyed, iff command line option is specified -void StatisticBase::destroy() const { -  if (Enabled && hasSomeData()) { -    if (AccumStats == 0) -      AccumStats = new std::vector<StatRecord>(); - -    std::ostringstream Out; -    printValue(Out); -    AccumStats->push_back(StatRecord(Out.str(), Name, Desc)); -  } - -  if (--NumStats == 0 && AccumStats) { -    std::ostream *OutStream = GetLibSupportInfoOutputFile(); - -    // Figure out how long the biggest Value and Name fields are... -    unsigned MaxNameLen = 0, MaxValLen = 0; -    for (unsigned i = 0, e = AccumStats->size(); i != e; ++i) { -      MaxValLen = std::max(MaxValLen,  -                           (unsigned)(*AccumStats)[i].Value.length()); -      MaxNameLen = std::max(MaxNameLen,  -                            (unsigned)std::strlen((*AccumStats)[i].Name)); -    } - -    // Sort the fields... -    std::stable_sort(AccumStats->begin(), AccumStats->end()); - -    // Print out the statistics header... -    *OutStream << "===" << std::string(73, '-') << "===\n" -               << "                          ... Statistics Collected ...\n" -               << "===" << std::string(73, '-') << "===\n\n"; - -    // Print all of the statistics accumulated... -    for (unsigned i = 0, e = AccumStats->size(); i != e; ++i) -      (*AccumStats)[i].print(MaxValLen, MaxNameLen, *OutStream); - -    *OutStream << std::endl;  // Flush the output stream... - -    // Free all accumulated statistics... -    delete AccumStats; -    AccumStats = 0; -    if (OutStream != &std::cerr && OutStream != &std::cout) -      delete OutStream;   // Close the file... -  } -}  | 

