Factor some code into a new EmitFrames method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131119 91177308-0d34-0410-b5e6-96231b3b80d8

lib/MC/MCAsmStreamer.cpp

@@ -1070,8 +1070,8 @@ void MCAsmStreamer::Finish() {
   if (getContext().hasDwarfFiles() && !UseLoc)
     MCDwarfFileTable::Emit(this);
 
-  if (getNumFrameInfos() && !UseCFI)
-    MCDwarfFrameEmitter::Emit(*this, false);
+  if (!UseCFI)
+    EmitFrames(false);
 }
 
 MCStreamer *llvm::createAsmStreamer(MCContext &Context,

lib/MC/MCELFStreamer.cpp

@@ -345,8 +345,7 @@ void MCELFStreamer::EmitInstToData(const MCInst &Inst) {
 }
 
 void MCELFStreamer::Finish() {
-  if (getNumFrameInfos())
-    MCDwarfFrameEmitter::Emit(*this, true);
+  EmitFrames(true);
 
   for (std::vector<LocalCommon>::const_iterator i = LocalCommons.begin(),
                                                 e = LocalCommons.end();

lib/MC/MCMachOStreamer.cpp

@@ -377,8 +377,7 @@ void MCMachOStreamer::EmitInstToData(const MCInst &Inst) {
 }
 
 void MCMachOStreamer::Finish() {
-  if (getNumFrameInfos())
-    MCDwarfFrameEmitter::Emit(*this, true);
+  EmitFrames(true);
 
   // We have to set the fragment atom associations so we can relax properly for
   // Mach-O.

lib/MC/MCStreamer.cpp

@@ -363,3 +363,11 @@ void MCStreamer::EmitRawText(const Twine &T) {
   T.toVector(Str);
   EmitRawText(Str.str());
 }
+
+void MCStreamer::EmitFrames(bool usingCFI) {
+  if (!getNumFrameInfos())
+    return;
+
+  if (EmitEHFrame)
+    MCDwarfFrameEmitter::Emit(*this, usingCFI);
+}