Update clang to r339409b.
Change-Id: Ied8a188bb072c40035320acedc86164b66d920af
diff --git a/linux-x64/clang/include/llvm/XRay/FDRTraceWriter.h b/linux-x64/clang/include/llvm/XRay/FDRTraceWriter.h
new file mode 100644
index 0000000..91488f8
--- /dev/null
+++ b/linux-x64/clang/include/llvm/XRay/FDRTraceWriter.h
@@ -0,0 +1,54 @@
+//===- FDRTraceWriter.h - XRay FDR Trace Writer -----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Test a utility that can write out XRay FDR Mode formatted trace files.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
+#define LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
+
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/EndianStream.h"
+#include "llvm/XRay/FDRRecords.h"
+#include "llvm/XRay/XRayRecord.h"
+
+namespace llvm {
+namespace xray {
+
+/// The FDRTraceWriter allows us to hand-craft an XRay Flight Data Recorder
+/// (FDR) mode log file. This is used primarily for testing, generating
+/// sequences of FDR records that can be read/processed. It can also be used to
+/// generate various kinds of execution traces without using the XRay runtime.
+/// Note that this writer does not do any validation, but uses the types of
+/// records defined in the FDRRecords.h file.
+class FDRTraceWriter : public RecordVisitor {
+public:
+ // Construct an FDRTraceWriter associated with an output stream.
+ explicit FDRTraceWriter(raw_ostream &O, const XRayFileHeader &H);
+ ~FDRTraceWriter();
+
+ Error visit(BufferExtents &) override;
+ Error visit(WallclockRecord &) override;
+ Error visit(NewCPUIDRecord &) override;
+ Error visit(TSCWrapRecord &) override;
+ Error visit(CustomEventRecord &) override;
+ Error visit(CallArgRecord &) override;
+ Error visit(PIDRecord &) override;
+ Error visit(NewBufferRecord &) override;
+ Error visit(EndBufferRecord &) override;
+ Error visit(FunctionRecord &) override;
+
+private:
+ support::endian::Writer OS;
+};
+
+} // namespace xray
+} // namespace llvm
+
+#endif // LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_