From 383cbff0311237bfd60daaa77d07bc9785a07ee8 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 26 Aug 2009 09:16:57 +0000
Subject: [PATCH] llvm-mc: Change MCContext value table to take const
 MCSymbol*s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80079 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/MC/MCContext.h | 16 +++++++---------
 lib/MC/MCContext.cpp        |  8 ++++----
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index 082b515a2e1..28436f052d9 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -36,7 +36,7 @@ namespace llvm {
     /// SymbolValues - Bindings of symbols to values.
     //
     // FIXME: Is there a good reason to not just put this in the MCSymbol?
-    DenseMap<MCSymbol*, MCValue> SymbolValues;
+    DenseMap<const MCSymbol*, MCValue> SymbolValues;
 
     /// Allocator - Allocator object used for creating machine code objects.
     ///
@@ -70,17 +70,15 @@ namespace llvm {
     /// LookupSymbol - Get the symbol for @param Name, or null.
     MCSymbol *LookupSymbol(const StringRef &Name) const;
 
-    /// ClearSymbolValue - Erase a value binding for @param Symbol, if one
-    /// exists.
-    void ClearSymbolValue(MCSymbol *Symbol);
+    /// ClearSymbolValue - Erase a value binding for @arg Symbol, if one exists.
+    void ClearSymbolValue(const MCSymbol *Symbol);
 
-    /// SetSymbolValue - Set the value binding for @param Symbol to @param
-    /// Value.
-    void SetSymbolValue(MCSymbol *Symbol, const MCValue &Value);
+    /// SetSymbolValue - Set the value binding for @arg Symbol to @arg Value.
+    void SetSymbolValue(const MCSymbol *Symbol, const MCValue &Value);
 
-    /// GetSymbolValue - Return the current value for @param Symbol, or null if
+    /// GetSymbolValue - Return the current value for @arg Symbol, or null if
     /// none exists.
-    const MCValue *GetSymbolValue(MCSymbol *Symbol) const;
+    const MCValue *GetSymbolValue(const MCSymbol *Symbol) const;
 
     void *Allocate(unsigned Size, unsigned Align = 8) {
       return Allocator.Allocate(Size, Align);
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index 061d7c2498e..5a3e7f661ec 100644
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -54,16 +54,16 @@ MCSymbol *MCContext::LookupSymbol(const StringRef &Name) const {
   return Symbols.lookup(Name);
 }
 
-void MCContext::ClearSymbolValue(MCSymbol *Sym) {
+void MCContext::ClearSymbolValue(const MCSymbol *Sym) {
   SymbolValues.erase(Sym);
 }
 
-void MCContext::SetSymbolValue(MCSymbol *Sym, const MCValue &Value) {
+void MCContext::SetSymbolValue(const MCSymbol *Sym, const MCValue &Value) {
   SymbolValues[Sym] = Value;
 }
 
-const MCValue *MCContext::GetSymbolValue(MCSymbol *Sym) const {
-  DenseMap<MCSymbol*, MCValue>::iterator it = SymbolValues.find(Sym);
+const MCValue *MCContext::GetSymbolValue(const MCSymbol *Sym) const {
+  DenseMap<const MCSymbol*, MCValue>::iterator it = SymbolValues.find(Sym);
 
   if (it == SymbolValues.end())
     return 0;