Add a new interface to allow IR-level passes to access codegen-specific information.

[oota-llvm.git] / include / llvm / Target / Mangler.h

diff --git a/include/llvm/Target/Mangler.h b/include/llvm/Target/Mangler.h
index 132e0e720f034411b94ed180c4610894c3e0855f..a50f54a436e96063b9e8eb1a295d8a3afad13d8a 100644 (file)
--- a/include/llvm/Target/Mangler.h
+++ b/include/llvm/Target/Mangler.h
@@ -1,4 +1,4 @@
-//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
+//===-- llvm/Target/Mangler.h - Self-contained name mangler -----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -15,15 +15,14 @@
 #define LLVM_SUPPORT_MANGLER_H
 
 #include "llvm/ADT/DenseMap.h"
-#include <string>
 
 namespace llvm {
 class Twine;
-class Type;
-class Module;
-class Value;
 class GlobalValue;
-template <typename T> class SmallVectorImpl; 
+template <typename T> class SmallVectorImpl;
+class MCContext;
+class MCSymbol;
+class DataLayout;
 
 class Mangler {
 public:
@@ -34,17 +33,8 @@ public:
   };
 
 private:
-  /// Prefix - This string is added to each symbol that is emitted, unless the
-  /// symbol is marked as not needing this prefix.
-  const char *Prefix;
-
-  /// PrivatePrefix - This string is emitted before each symbol with private
-  /// linkage.
-  const char *PrivatePrefix;
-
-  /// LinkerPrivatePrefix - This string is emitted before each symbol with
-  /// "linker_private" linkage.
-  const char *LinkerPrivatePrefix;
+  MCContext &Context;
+  const DataLayout &TD;
 
   /// AnonGlobalIDs - We need to give global values the same name every time
   /// they are mangled.  This keeps track of the number we give to anonymous
@@ -57,28 +47,24 @@ private:
   unsigned NextAnonGlobalID;
 
 public:
-  // Mangler ctor - if a prefix is specified, it will be prepended onto all
-  // symbols.
-  Mangler(Module &M, const char *Prefix = "", const char *privatePrefix = "",
-          const char *linkerPrivatePrefix = "");
+  Mangler(MCContext &context, const DataLayout &td)
+    : Context(context), TD(td), NextAnonGlobalID(1) {}
+
+  /// getSymbol - Return the MCSymbol for the specified global value.  This
+  /// symbol is the main label that is the address of the global.
+  MCSymbol *getSymbol(const GlobalValue *GV);
 
   /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
   /// and the specified global variable's name.  If the global variable doesn't
   /// have a name, this fills in a unique name for the global.
   void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
                          bool isImplicitlyPrivate);
-  
+
   /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
   /// and the specified name as the global variable name.  GVName must not be
   /// empty.
   void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
                          ManglerPrefixTy PrefixTy = Mangler::Default);
-
-  /// getNameWithPrefix - Return the name of the appropriate prefix
-  /// and the specified global variable's name.  If the global variable doesn't
-  /// have a name, this fills in a unique name for the global.
-  std::string getNameWithPrefix(const GlobalValue *GV,
-                                bool isImplicitlyPrivate = false);
 };
 
 } // End llvm namespace