1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index 4f0efab73e8..e017103070b 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -266,6 +266,7 @@ public:
   void EmitCVFPOData(const MCSymbol *ProcSym, SMLoc L) override;
 
   void EmitIdent(StringRef IdentString) override;
+  void EmitCFIBKeyFrame() override;
   void EmitCFISections(bool EH, bool Debug) override;
   void EmitCFIDefCfa(int64_t Register, int64_t Offset) override;
   void EmitCFIDefCfaOffset(int64_t Offset) override;
@@ -1602,6 +1603,12 @@ void MCAsmStreamer::EmitCFIReturnColumn(int64_t Register) {
   EmitEOL();
 }
 
+void MCAsmStreamer::EmitCFIBKeyFrame() {
+  MCStreamer::EmitCFIBKeyFrame();
+  OS << "\t.cfi_b_key_frame";
+  EmitEOL();
+}
+
 void MCAsmStreamer::EmitWinCFIStartProc(const MCSymbol *Symbol, SMLoc Loc) {
   MCStreamer::EmitWinCFIStartProc(Symbol, Loc);