Add a 'normalize' method to the Triple class, which takes a mucked up

[oota-llvm.git] / include / llvm / GlobalValue.h

diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h
index 1ac7eeea334d7631ccbf1c6b8ee27d0bfbba61a9..f4bee85b45f001f160de8b11b212c6a9a1766b28 100644 (file)
--- a/include/llvm/GlobalValue.h
+++ b/include/llvm/GlobalValue.h
@@ -40,6 +40,7 @@ public:
     InternalLinkage,    ///< Rename collisions when linking (static functions).
     PrivateLinkage,     ///< Like Internal, but omit from symbol table.
     LinkerPrivateLinkage, ///< Like Private, but linker removes.
+    LinkerPrivateWeakLinkage, ///< Like LinkerPrivate, but weak.
     DLLImportLinkage,   ///< Function to be imported from DLL
     DLLExportLinkage,   ///< Function to be accessible from DLL.
     ExternalWeakLinkage,///< ExternalWeak linkage description.
@@ -73,11 +74,10 @@ public:
     removeDeadConstantUsers();   // remove any dead constants using this.
   }
 
-  unsigned getAlignment() const { return Alignment; }
-  void setAlignment(unsigned Align) {
-    assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
-    Alignment = Align;
+  unsigned getAlignment() const {
+    return (1u << Alignment) >> 1;
   }
+  void setAlignment(unsigned Align);
 
   VisibilityTypes getVisibility() const { return VisibilityTypes(Visibility); }
   bool hasDefaultVisibility() const { return Visibility == DefaultVisibility; }
@@ -92,7 +92,7 @@ public:
   void setSection(StringRef S) { Section = S; }
   
   /// If the usage is empty (except transitively dead constants), then this
-  /// global value can can be safely deleted since the destructor will
+  /// global value can be safely deleted since the destructor will
   /// delete the dead constants as well.
   /// @brief Determine if the usage of this global value is empty except
   /// for transitively dead constants.
@@ -110,53 +110,103 @@ public:
     return ODR ? WeakODRLinkage : WeakAnyLinkage;
   }
 
-  bool hasExternalLinkage() const { return Linkage == ExternalLinkage; }
-  bool hasAvailableExternallyLinkage() const {
+  static bool isExternalLinkage(LinkageTypes Linkage) {
+    return Linkage == ExternalLinkage;
+  }
+  static bool isAvailableExternallyLinkage(LinkageTypes Linkage) {
     return Linkage == AvailableExternallyLinkage;
   }
-  bool hasLinkOnceLinkage() const {
+  static bool isLinkOnceLinkage(LinkageTypes Linkage) {
     return Linkage == LinkOnceAnyLinkage || Linkage == LinkOnceODRLinkage;
   }
-  bool hasWeakLinkage() const {
+  static bool isWeakLinkage(LinkageTypes Linkage) {
     return Linkage == WeakAnyLinkage || Linkage == WeakODRLinkage;
   }
-  bool hasAppendingLinkage() const { return Linkage == AppendingLinkage; }
-  bool hasInternalLinkage() const { return Linkage == InternalLinkage; }
-  bool hasPrivateLinkage() const { return Linkage == PrivateLinkage; }
-  bool hasLinkerPrivateLinkage() const { return Linkage==LinkerPrivateLinkage; }
-  bool hasLocalLinkage() const {
-    return hasInternalLinkage() || hasPrivateLinkage() ||
-      hasLinkerPrivateLinkage();
+  static bool isAppendingLinkage(LinkageTypes Linkage) {
+    return Linkage == AppendingLinkage;
+  }
+  static bool isInternalLinkage(LinkageTypes Linkage) {
+    return Linkage == InternalLinkage;
+  }
+  static bool isPrivateLinkage(LinkageTypes Linkage) {
+    return Linkage == PrivateLinkage;
+  }
+  static bool isLinkerPrivateLinkage(LinkageTypes Linkage) {
+    return Linkage == LinkerPrivateLinkage;
+  }
+  static bool isLinkerPrivateWeakLinkage(LinkageTypes Linkage) {
+    return Linkage == LinkerPrivateWeakLinkage;
+  }
+  static bool isLocalLinkage(LinkageTypes Linkage) {
+    return isInternalLinkage(Linkage) || isPrivateLinkage(Linkage) ||
+      isLinkerPrivateLinkage(Linkage) || isLinkerPrivateWeakLinkage(Linkage);
+  }
+  static bool isDLLImportLinkage(LinkageTypes Linkage) {
+    return Linkage == DLLImportLinkage;
+  }
+  static bool isDLLExportLinkage(LinkageTypes Linkage) {
+    return Linkage == DLLExportLinkage;
+  }
+  static bool isExternalWeakLinkage(LinkageTypes Linkage) {
+    return Linkage == ExternalWeakLinkage;
+  }
+  static bool isCommonLinkage(LinkageTypes Linkage) {
+    return Linkage == CommonLinkage;
   }
-  bool hasDLLImportLinkage() const { return Linkage == DLLImportLinkage; }
-  bool hasDLLExportLinkage() const { return Linkage == DLLExportLinkage; }
-  bool hasExternalWeakLinkage() const { return Linkage == ExternalWeakLinkage; }
-  bool hasCommonLinkage() const { return Linkage == CommonLinkage; }
-
-  void setLinkage(LinkageTypes LT) { Linkage = LT; }
-  LinkageTypes getLinkage() const { return Linkage; }
 
   /// mayBeOverridden - Whether the definition of this global may be replaced
   /// by something non-equivalent at link time.  For example, if a function has
   /// weak linkage then the code defining it may be replaced by different code.
-  bool mayBeOverridden() const {
+  static bool mayBeOverridden(LinkageTypes Linkage) {
     return (Linkage == WeakAnyLinkage ||
             Linkage == LinkOnceAnyLinkage ||
             Linkage == CommonLinkage ||
-            Linkage == ExternalWeakLinkage);
+            Linkage == ExternalWeakLinkage ||
+            Linkage == LinkerPrivateWeakLinkage);
   }
 
   /// isWeakForLinker - Whether the definition of this global may be replaced at
   /// link time.
-  bool isWeakForLinker() const {
+  static bool isWeakForLinker(LinkageTypes Linkage)  {
     return (Linkage == AvailableExternallyLinkage ||
             Linkage == WeakAnyLinkage ||
             Linkage == WeakODRLinkage ||
             Linkage == LinkOnceAnyLinkage ||
             Linkage == LinkOnceODRLinkage ||
             Linkage == CommonLinkage ||
-            Linkage == ExternalWeakLinkage);
+            Linkage == ExternalWeakLinkage ||
+            Linkage == LinkerPrivateWeakLinkage);
+  }
+
+  bool hasExternalLinkage() const { return isExternalLinkage(Linkage); }
+  bool hasAvailableExternallyLinkage() const {
+    return isAvailableExternallyLinkage(Linkage);
+  }
+  bool hasLinkOnceLinkage() const {
+    return isLinkOnceLinkage(Linkage);
+  }
+  bool hasWeakLinkage() const {
+    return isWeakLinkage(Linkage);
+  }
+  bool hasAppendingLinkage() const { return isAppendingLinkage(Linkage); }
+  bool hasInternalLinkage() const { return isInternalLinkage(Linkage); }
+  bool hasPrivateLinkage() const { return isPrivateLinkage(Linkage); }
+  bool hasLinkerPrivateLinkage() const { return isLinkerPrivateLinkage(Linkage); }
+  bool hasLinkerPrivateWeakLinkage() const {
+    return isLinkerPrivateWeakLinkage(Linkage);
   }
+  bool hasLocalLinkage() const { return isLocalLinkage(Linkage); }
+  bool hasDLLImportLinkage() const { return isDLLImportLinkage(Linkage); }
+  bool hasDLLExportLinkage() const { return isDLLExportLinkage(Linkage); }
+  bool hasExternalWeakLinkage() const { return isExternalWeakLinkage(Linkage); }
+  bool hasCommonLinkage() const { return isCommonLinkage(Linkage); }
+
+  void setLinkage(LinkageTypes LT) { Linkage = LT; }
+  LinkageTypes getLinkage() const { return Linkage; }
+
+  bool mayBeOverridden() const { return mayBeOverridden(Linkage); }
+
+  bool isWeakForLinker() const { return isWeakForLinker(Linkage); }
 
   /// copyAttributesFrom - copy all additional attributes (those not needed to
   /// create a GlobalValue) from the GlobalValue Src to this one.