From 117ff62354f5a827723ca5a481ca22bea49485ba Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Sun, 13 Jul 2014 19:03:40 +0000
Subject: [PATCH] MC: make helper function be more const-correct

Introduce const-ness on parameters, they are used as read-only and should not be
modified.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212913 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCWin64EH.cpp | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/lib/MC/MCWin64EH.cpp b/lib/MC/MCWin64EH.cpp
index 9b6d9c51c2b..198c775110e 100644
--- a/lib/MC/MCWin64EH.cpp
+++ b/lib/MC/MCWin64EH.cpp
@@ -46,16 +46,13 @@ static uint8_t CountOfUnwindCodes(std::vector<MCWin64EHInstruction> &Insns) {
   return Count;
 }
 
-static void EmitAbsDifference(MCStreamer &streamer, MCSymbol *lhs,
-                              MCSymbol *rhs) {
-  MCContext &context = streamer.getContext();
-  const MCExpr *diff = MCBinaryExpr::CreateSub(MCSymbolRefExpr::Create(
-                                                                  lhs, context),
-                                               MCSymbolRefExpr::Create(
-                                                                  rhs, context),
-                                               context);
-  streamer.EmitAbsValue(diff, 1);
-
+static void EmitAbsDifference(MCStreamer &Streamer, const MCSymbol *LHS,
+                              const MCSymbol *RHS) {
+  MCContext &Context = Streamer.getContext();
+  const MCExpr *Diff =
+      MCBinaryExpr::CreateSub(MCSymbolRefExpr::Create(LHS, Context),
+                              MCSymbolRefExpr::Create(RHS, Context), Context);
+  Streamer.EmitAbsValue(Diff, 1);
 }
 
 static void EmitUnwindCode(MCStreamer &streamer, MCSymbol *begin,
-- 
2.11.0