reverting r252916 to investigate test failure

llvm-svn: 252921

1 files changed, 1 insertions, 19 deletions

diff --git a/llvm/lib/ProfileData/SampleProfReader.cpp b/llvm/lib/ProfileData/SampleProfReader.cpp
index 0bed4f0..a5d0008 100644
--- a/llvm/lib/ProfileData/SampleProfReader.cpp
+++ b/llvm/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;