Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 454aa56..23f08f1 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -28,6 +28,7 @@
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetOptions.h"
 #include "llvm/Analysis/DebugInfo.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
@@ -1249,6 +1250,10 @@
 
   // DW_TAG_inlined_subroutine may refer to this DIE.
   ModuleCU->insertDIE(SP.getNode(), SPDie);
+  
+  if (NoFramePointerElim == false)
+    addUInt(SPDie, dwarf::DW_AT_APPLE_omit_frame_ptr, dwarf::DW_FORM_flag, 1);
+
   return SPDie;
 }