reverting r252916 to investigate test failure

[oota-llvm.git] / lib / ProfileData / SampleProfReader.cpp

diff --git a/lib/ProfileData/SampleProfReader.cpp b/lib/ProfileData/SampleProfReader.cpp
index 0bed4f09f1f1cd0808c208f74c581b980ad6bf15..a5d00083b53641400f1244890d0be28b05afd41f 100644 (file)
--- a/lib/ProfileData/SampleProfReader.cpp
+++ b/lib/ProfileData/SampleProfReader.cpp
@@ -222,22 +222,6 @@ std::error_code SampleProfileReaderText::read() {
   return sampleprof_error::success;
 }
 
-bool SampleProfileReaderText::hasFormat(const MemoryBuffer &Buffer) {
-  bool result = false;
-
-  // Check that the first non-comment line is a valid function header.
-  line_iterator LineIt(Buffer, /*SkipBlanks=*/true, '#');
-  if (!LineIt.is_at_eof()) {
-    if ((*LineIt)[0] != ' ') {
-      uint64_t NumSamples, NumHeadSamples;
-      StringRef FName;
-      result = ParseHead(*LineIt, FName, NumSamples, NumHeadSamples);
-    }
-  }
-
-  return result;
-}
-
 template <typename T> ErrorOr<T> SampleProfileReaderBinary::readNumber() {
   unsigned NumBytesRead = 0;
   std::error_code EC;
@@ -701,10 +685,8 @@ SampleProfileReader::create(StringRef Filename, LLVMContext &C) {
     Reader.reset(new SampleProfileReaderBinary(std::move(Buffer), C));
   else if (SampleProfileReaderGCC::hasFormat(*Buffer))
     Reader.reset(new SampleProfileReaderGCC(std::move(Buffer), C));
-  else if (SampleProfileReaderText::hasFormat(*Buffer))
-    Reader.reset(new SampleProfileReaderText(std::move(Buffer), C));
   else
-    return sampleprof_error::unrecognized_format;
+    Reader.reset(new SampleProfileReaderText(std::move(Buffer), C));
 
   if (std::error_code EC = Reader->readHeader())
     return EC;