Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/tools/llvm-xray/xray-converter.h

@@ -0,0 +1,44 @@
+//===- xray-converter.h - XRay Trace Conversion ---------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines the TraceConverter class for turning binary traces into
+// human-readable text and vice versa.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_TOOLS_LLVM_XRAY_XRAY_CONVERTER_H
+#define LLVM_TOOLS_LLVM_XRAY_XRAY_CONVERTER_H
+
+#include "func-id-helper.h"
+#include "llvm/XRay/Trace.h"
+#include "llvm/XRay/XRayRecord.h"
+
+namespace llvm {
+namespace xray {
+
+class TraceConverter {
+  FuncIdConversionHelper &FuncIdHelper;
+  bool Symbolize;
+
+public:
+  TraceConverter(FuncIdConversionHelper &FuncIdHelper, bool Symbolize = false)
+      : FuncIdHelper(FuncIdHelper), Symbolize(Symbolize) {}
+
+  void exportAsYAML(const Trace &Records, raw_ostream &OS);
+  void exportAsRAWv1(const Trace &Records, raw_ostream &OS);
+
+  /// For this conversion, the Function records within each thread are expected
+  /// to be in sorted TSC order. The trace event format encodes stack traces, so
+  /// the linear history is essential for correct output.
+  void exportAsChromeTraceEventFormat(const Trace &Records, raw_ostream &OS);
+};
+
+} // namespace xray
+} // namespace llvm
+
+#endif // LLVM_TOOLS_LLVM_XRAY_XRAY_CONVERTER_H