Revert "[Modules] Add stats to measure performance of building and loading modules."

This reverts commit c4bacc3c9b333bb7032fb96f41d6f5b851623132.

Test "LLVM :: ThinLTO/X86/funcimport-stats.ll" is failing. Reverting now
and will recommit after making the test not fail with the added stats.

1 files changed, 2 insertions, 14 deletions

diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index 4b851a2..248fb72 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -12,7 +12,6 @@
 
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/Errno.h"
@@ -35,12 +34,6 @@
 #endif
 using namespace llvm;
 
-#define DEBUG_TYPE "memory-buffer"
-
-ALWAYS_ENABLED_STATISTIC(NumMmapFile, "Number of mmap-ed files.");
-ALWAYS_ENABLED_STATISTIC(NumAllocFile,
-                         "Number of files read into allocated memory buffer.");
-
 //===----------------------------------------------------------------------===//
 // MemoryBuffer implementation itself.
 //===----------------------------------------------------------------------===//
@@ -456,10 +449,8 @@ getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
       // buffer by copying off the stream.
       sys::fs::file_type Type = Status.type();
       if (Type != sys::fs::file_type::regular_file &&
-          Type != sys::fs::file_type::block_file) {
-        ++NumAllocFile;
+          Type != sys::fs::file_type::block_file)
         return getMemoryBufferForStream(FD, Filename);
-      }
 
       FileSize = Status.getSize();
     }
@@ -472,10 +463,8 @@ getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
     std::unique_ptr<MB> Result(
         new (NamedBufferAlloc(Filename)) MemoryBufferMMapFile<MB>(
             RequiresNullTerminator, FD, MapSize, Offset, EC));
-    if (!EC) {
-      ++NumMmapFile;
+    if (!EC)
       return std::move(Result);
-    }
   }
 
   auto Buf = WritableMemoryBuffer::getNewUninitMemBuffer(MapSize, Filename);
@@ -486,7 +475,6 @@ getOpenFileImpl(sys::fs::file_t FD, const Twine &Filename, uint64_t FileSize,
   }
 
   // Read until EOF, zero-initialize the rest.
-  ++NumAllocFile;
   MutableArrayRef<char> ToRead = Buf->getBuffer();
   while (!ToRead.empty()) {
     Expected<size_t> ReadBytes =