From f22ca8ad358dfd0dcad96320f688268ea2362a72 Mon Sep 17 00:00:00 2001
From: Alex Lorenz <arphaman@gmail.com>
Date: Fri, 21 Aug 2015 21:12:44 +0000
Subject: [PATCH] MIR Serialization: Print MCSymbol operands.

This commit allows the MIR printer to print the MCSymbol machine operands.
Unfortunately they can't be parsed at this time. I will create a bug that will
track the fact that the MCSymbol operands can't be parsed yet.

llvm-svn: 245737
---
 llvm/lib/CodeGen/MIRParser/MIParser.cpp | 2 +-
 llvm/lib/CodeGen/MIRPrinter.cpp         | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index d706f04eccce..7a12bae329cd 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -1442,7 +1442,7 @@ bool MIParser::parseMachineOperand(MachineOperand &Dest,
     }
   // fallthrough
   default:
-    // TODO: parse the other machine operands.
+    // FIXME: Parse the MCSymbol machine operand.
     return error("expected a machine operand");
   }
   return false;
diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index 4b4d7b4f25cf..aa3d193695a7 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -27,6 +27,7 @@
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/ModuleSlotTracker.h"
+#include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/YAMLTraits.h"
@@ -826,14 +827,14 @@ void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI,
   case MachineOperand::MO_Metadata:
     Op.getMetadata()->printAsOperand(OS, MST);
     break;
+  case MachineOperand::MO_MCSymbol:
+    OS << "<mcsymbol " << *Op.getMCSymbol() << ">";
+    break;
   case MachineOperand::MO_CFIIndex: {
     const auto &MMI = Op.getParent()->getParent()->getParent()->getMMI();
     print(MMI.getFrameInstructions()[Op.getCFIIndex()], TRI);
     break;
   }
-  default:
-    // TODO: Print the other machine operands.
-    llvm_unreachable("Can't print this machine operand at the moment");
   }
 }