3 files changed, 10 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
index ac696923794..fe6d075726e 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
@@ -208,6 +208,7 @@ static MIToken::TokenKind getIdentifierKind(StringRef Identifier) {
       .Case("internal", MIToken::kw_internal)
       .Case("early-clobber", MIToken::kw_early_clobber)
       .Case("debug-use", MIToken::kw_debug_use)
+      .Case("renamable", MIToken::kw_renamable)
       .Case("tied-def", MIToken::kw_tied_def)
       .Case("frame-setup", MIToken::kw_frame_setup)
       .Case("debug-location", MIToken::kw_debug_location)
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.h b/llvm/lib/CodeGen/MIRParser/MILexer.h
index 6894fe8b0ac..f7027bea181 100644
--- a/llvm/lib/CodeGen/MIRParser/MILexer.h
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.h
@@ -60,6 +60,7 @@ struct MIToken {
     kw_internal,
     kw_early_clobber,
     kw_debug_use,
+    kw_renamable,
     kw_tied_def,
     kw_frame_setup,
     kw_debug_location,
@@ -166,7 +167,8 @@ public:
     return Kind == kw_implicit || Kind == kw_implicit_define ||
            Kind == kw_def || Kind == kw_dead || Kind == kw_killed ||
            Kind == kw_undef || Kind == kw_internal ||
-           Kind == kw_early_clobber || Kind == kw_debug_use;
+           Kind == kw_early_clobber || Kind == kw_debug_use ||
+           Kind == kw_renamable;
   }
 
   bool isMemoryOperandFlag() const {
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index de951e42c8f..6ec3fc864c6 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -1060,6 +1060,9 @@ bool MIParser::parseRegisterFlag(unsigned &Flags) {
   case MIToken::kw_debug_use:
     Flags |= RegState::Debug;
     break;
+  case MIToken::kw_renamable:
+    Flags |= RegState::Renamable;
+    break;
   default:
     llvm_unreachable("The current token should be a register flag");
   }
@@ -1212,7 +1215,8 @@ bool MIParser::parseRegisterOperand(MachineOperand &Dest,
       Reg, Flags & RegState::Define, Flags & RegState::Implicit,
       Flags & RegState::Kill, Flags & RegState::Dead, Flags & RegState::Undef,
       Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug,
-      Flags & RegState::InternalRead);
+      Flags & RegState::InternalRead, Flags & RegState::Renamable);
+
   return false;
 }
 
@@ -1880,6 +1884,7 @@ bool MIParser::parseMachineOperand(MachineOperand &Dest,
   case MIToken::kw_internal:
   case MIToken::kw_early_clobber:
   case MIToken::kw_debug_use:
+  case MIToken::kw_renamable:
   case MIToken::underscore:
   case MIToken::NamedRegister:
   case MIToken::VirtualRegister: