1 files changed, 8 insertions, 0 deletions
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 4ffde67476..79242edfc2 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -399,6 +399,14 @@ void MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) {
   CurFrame->Instructions.push_back(Instruction);
 }
 
+void MCStreamer::EmitCFIWindowSave() {
+  MCSymbol *Label = EmitCFICommon();
+  MCCFIInstruction Instruction =
+    MCCFIInstruction::createWindowSave(Label);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
+  CurFrame->Instructions.push_back(Instruction);
+}
+
 void MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) {
   W64UnwindInfos.push_back(Frame);
   CurrentW64UnwindInfo = W64UnwindInfos.back();