[PGO] Revert r260146 as it breaks Darwin platforms.

r260146 | xur | 2016-02-08 13:07:46 -0800 (Mon, 08 Feb 2016) | 13 lines
[PGO] Differentiate Clang instrumentation and IR level instrumentation profiles

llvm-svn: 260170

1 files changed, 1 insertions, 5 deletions

diff --git a/llvm/lib/ProfileData/InstrProfWriter.cpp b/llvm/lib/ProfileData/InstrProfWriter.cpp
index 3e325718769..a486d4eecb7 100644
--- a/llvm/lib/ProfileData/InstrProfWriter.cpp
+++ b/llvm/lib/ProfileData/InstrProfWriter.cpp
@@ -142,7 +142,7 @@ public:
 }
 
 InstrProfWriter::InstrProfWriter(bool Sparse)
-    : Sparse(Sparse), FunctionData(), ProfileKind(PF_Unknown),
+    : Sparse(Sparse), FunctionData(),
       InfoObj(new InstrProfRecordWriterTrait()) {}
 
 InstrProfWriter::~InstrProfWriter() { delete InfoObj; }
@@ -230,8 +230,6 @@ void InstrProfWriter::writeImpl(ProfOStream &OS) {
   IndexedInstrProf::Header Header;
   Header.Magic = IndexedInstrProf::Magic;
   Header.Version = IndexedInstrProf::ProfVersion::CurrentVersion;
-  if (ProfileKind == PF_IRLevel)
-    Header.Version |= VARIANT_MASK_IR_PROF;
   Header.Unused = 0;
   Header.HashType = static_cast<uint64_t>(IndexedInstrProf::HashType);
   Header.HashOffset = 0;
@@ -338,8 +336,6 @@ void InstrProfWriter::writeRecordInText(const InstrProfRecord &Func,
 }
 
 void InstrProfWriter::writeText(raw_fd_ostream &OS) {
-  if (ProfileKind == PF_IRLevel)
-    OS << "# IR level Instrumentation Flag\n:ir\n";
   InstrProfSymtab Symtab;
   for (const auto &I : FunctionData)
     if (shouldEncodeData(I.getValue()))