Re-enables the new vector select in the bitcode reader, by modifying the

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

diff --git a/include/llvm/Support/Mangler.h b/include/llvm/Support/Mangler.h
index 5ad607dc774eb6976305a51495a542d07db96182..94f0adb267ddca9ae906752e5fa19a0f7f31183e 100644 (file)
--- a/include/llvm/Support/Mangler.h
+++ b/include/llvm/Support/Mangler.h
@@ -1,46 +1,112 @@
-//===-- Mangler.h - Self-contained c/asm llvm name mangler -*- C++ -*- ----===//
+//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
 //
-// Unified name mangler for CWriter and assembly backends.
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Unified name mangler for various backends.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_SUPPORT_MANGLER_H
 #define LLVM_SUPPORT_MANGLER_H
 
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include <string>
+
+namespace llvm {
+class Type;
+class Module;
 class Value;
-#include <map>
-#include <set>
+class GlobalValue;
 
 class Mangler {
+  /// Prefix - This string is added to each symbol that is emitted, unless the
+  /// symbol is marked as not needing this prefix.
+  const char *Prefix;
+  
+  /// UseQuotes - If this is set, the target accepts global names in quotes, 
+  /// e.g. "foo bar" is a legal name.  This syntax is used instead of escaping
+  /// the space character.  By default, this is false.
+  bool UseQuotes;
+  
+  /// PreserveAsmNames - If this is set, the asm escape character is not removed
+  /// from names with 'asm' specifiers. 
+  bool PreserveAsmNames;
+  
+  /// Memo - This is used to remember the name that we assign a value.
+  ///
+  DenseMap<const Value*, std::string> Memo;
+
+  /// Count - This simple counter is used to unique value names.
+  ///
+  unsigned Count;
+  
+  /// TypeMap - If the client wants us to unique types, this keeps track of the
+  /// current assignments and TypeCounter keeps track of the next id to assign.
+  DenseMap<const Type*, unsigned> TypeMap;
+  unsigned TypeCounter;
+
+  /// This keeps track of which global values have had their names
+  /// mangled in the current module.
+  ///
+  SmallPtrSet<const GlobalValue*, 16> MangledGlobals;
+  
+  /// AcceptableChars - This bitfield contains a one for each character that is
+  /// allowed to be part of an unmangled name.
+  unsigned AcceptableChars[256/32];
 public:
+
+  // Mangler ctor - if a prefix is specified, it will be prepended onto all
+  // symbols.
+  Mangler(Module &M, const char *Prefix = "");
+
+  /// setUseQuotes - If UseQuotes is set to true, this target accepts quoted
+  /// strings for assembler labels.
+  void setUseQuotes(bool Val) { UseQuotes = Val; }
+  
+  /// setPreserveAsmNames - If the mangler should not strip off the asm name
+  /// @verbatim identifier (\001), this should be set. @endverbatim
+  void setPreserveAsmNames(bool Val) { PreserveAsmNames = Val; }
+  
+  /// Acceptable Characters - This allows the target to specify which characters
+  /// are acceptable to the assembler without being mangled.  By default we
+  /// allow letters, numbers, '_', '$', and '.', which is what GAS accepts.
+  void markCharAcceptable(unsigned char X) {
+    AcceptableChars[X/32] |= 1 << (X&31);
+  }
+  void markCharUnacceptable(unsigned char X) {
+    AcceptableChars[X/32] &= ~(1 << (X&31));
+  }
+  bool isCharAcceptable(unsigned char X) const {
+    return (AcceptableChars[X/32] & (1 << (X&31))) != 0;
+  }
+  
   /// getValueName - Returns the mangled name of V, an LLVM Value,
   /// in the current module.
   ///
+  std::string getValueName(const GlobalValue *V, const char *Suffix = "");
   std::string getValueName(const Value *V);
 
-  Mangler(Module &M_);
-
   /// makeNameProper - We don't want identifier names with ., space, or
   /// - in them, so we mangle these characters into the strings "d_",
   /// "s_", and "D_", respectively. This is a very simple mangling that
   /// doesn't guarantee unique names for values. getValueName already
   /// does this for you, so there's no point calling it on the result
   /// from getValueName.
-  /// 
-  static std::string makeNameProper(const std::string &x);
+  ///
+  std::string makeNameProper(const std::string &x, const char *Prefix = "");
 
 private:
-  /// This keeps track of which global values have had their names
-  /// mangled in the current module.
+  /// getTypeID - Return a unique ID for the specified LLVM type.
   ///
-  std::set<const Value *> MangledGlobals;
-
-  Module &M;
-
-  typedef std::map<const Value *, std::string> ValueMap;
-  ValueMap Memo;
-
-  unsigned int Count;
+  unsigned getTypeID(const Type *Ty);
 };
 
+} // End llvm namespace
+
 #endif // LLVM_SUPPORT_MANGLER_H