1 files changed, 37 insertions, 0 deletions
diff --git a/include/llvm/Support/CodeGenCoverage.h b/include/llvm/Support/CodeGenCoverage.h
new file mode 100644
index 0000000000000..d5bd837bff289
--- /dev/null
+++ b/include/llvm/Support/CodeGenCoverage.h
@@ -0,0 +1,37 @@
+//== llvm/Support/CodeGenCoverage.h ------------------------------*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file This file provides rule coverage tracking for tablegen-erated CodeGen.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H
+#define LLVM_SUPPORT_CODEGENCOVERAGE_H
+
+#include "llvm/ADT/BitVector.h"
+
+namespace llvm {
+class LLVMContext;
+class MemoryBuffer;
+
+class CodeGenCoverage {
+protected:
+  BitVector RuleCoverage;
+
+public:
+  CodeGenCoverage();
+
+  void setCovered(uint64_t RuleID);
+  bool isCovered(uint64_t RuleID);
+
+  bool parse(MemoryBuffer &Buffer, StringRef BackendName);
+  bool emit(StringRef FilePrefix, StringRef BackendName) const;
+  void reset();
+};
+} // end namespace llvm
+
+#endif // ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H