1 files changed, 43 insertions, 0 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index cf86a44d1b..ab554189ee 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -403,6 +403,10 @@ public:
       &GenericAsmParser::ParseDirectiveCFIEscape>(".cfi_escape");
     AddDirectiveHandler<
       &GenericAsmParser::ParseDirectiveCFISignalFrame>(".cfi_signal_frame");
+    AddDirectiveHandler<
+      &GenericAsmParser::ParseDirectiveCFIUndefined>(".cfi_undefined");
+    AddDirectiveHandler<
+      &GenericAsmParser::ParseDirectiveCFIRegister>(".cfi_register");
 
     // Macro directives.
     AddDirectiveHandler<&GenericAsmParser::ParseDirectiveMacrosOnOff>(
@@ -440,6 +444,8 @@ public:
   bool ParseDirectiveCFIRestore(StringRef, SMLoc DirectiveLoc);
   bool ParseDirectiveCFIEscape(StringRef, SMLoc DirectiveLoc);
   bool ParseDirectiveCFISignalFrame(StringRef, SMLoc DirectiveLoc);
+  bool ParseDirectiveCFIUndefined(StringRef, SMLoc DirectiveLoc);
+  bool ParseDirectiveCFIRegister(StringRef, SMLoc DirectiveLoc);
 
   bool ParseDirectiveMacrosOnOff(StringRef, SMLoc DirectiveLoc);
   bool ParseDirectiveMacro(StringRef, SMLoc DirectiveLoc);
@@ -3308,6 +3314,43 @@ bool GenericAsmParser::ParseDirectiveCFISignalFrame(StringRef Directive,
   return false;
 }
 
+/// ParseDirectiveCFIUndefined
+/// ::= .cfi_undefined register
+bool GenericAsmParser::ParseDirectiveCFIUndefined(StringRef Directive,
+                                                  SMLoc DirectiveLoc) {
+  int64_t Register = 0;
+
+  if (ParseRegisterOrRegisterNumber(Register, DirectiveLoc))
+    return true;
+
+  getStreamer().EmitCFIUndefined(Register);
+
+  return false;
+}
+
+/// ParseDirectiveCFIRegister
+/// ::= .cfi_register register, register
+bool GenericAsmParser::ParseDirectiveCFIRegister(StringRef Directive,
+                                                 SMLoc DirectiveLoc) {
+  int64_t Register1 = 0;
+
+  if (ParseRegisterOrRegisterNumber(Register1, DirectiveLoc))
+    return true;
+
+  if (getLexer().isNot(AsmToken::Comma))
+    return TokError("unexpected token in directive");
+  Lex();
+
+  int64_t Register2 = 0;
+
+  if (ParseRegisterOrRegisterNumber(Register2, DirectiveLoc))
+    return true;
+
+  getStreamer().EmitCFIRegister(Register1, Register2);
+
+  return false;
+}
+
 /// ParseDirectiveMacrosOnOff
 /// ::= .macros_on
 /// ::= .macros_off