Fixed some dependencies in RegAllocPBQP.h . Thanks to Borja Ferrer for pointing out...

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

diff --git a/include/llvm/Value.h b/include/llvm/Value.h
index cfb4422a43b77b68705e5bb66f8f6b0ff2a56ab4..8dc4105b9e4c0bf16773c8fce10316e1e253a8a3 100644 (file)
--- a/include/llvm/Value.h
+++ b/include/llvm/Value.h
@@ -215,12 +215,10 @@ public:
     ConstantFPVal,            // This is an instance of ConstantFP
     ConstantArrayVal,         // This is an instance of ConstantArray
     ConstantStructVal,        // This is an instance of ConstantStruct
-    ConstantUnionVal,         // This is an instance of ConstantUnion
     ConstantVectorVal,        // This is an instance of ConstantVector
     ConstantPointerNullVal,   // This is an instance of ConstantPointerNull
     MDNodeVal,                // This is an instance of MDNode
     MDStringVal,              // This is an instance of MDString
-    NamedMDNodeVal,           // This is an instance of NamedMDNode
     InlineAsmVal,             // This is an instance of InlineAsm
     PseudoSourceValueVal,     // This is an instance of PseudoSourceValue
     FixedStackPseudoSourceValueVal, // This is an instance of 
@@ -296,6 +294,10 @@ public:
   const Value *getUnderlyingObject(unsigned MaxLookup = 6) const {
     return const_cast<Value*>(this)->getUnderlyingObject(MaxLookup);
   }
+
+  /// isDereferenceablePointer - Test if this value is always a pointer to
+  /// allocated and suitably aligned memory for a simple load or store.
+  bool isDereferenceablePointer() const;
   
   /// DoPHITranslation - If this value is a PHI node with CurBB as its parent,
   /// return the value in the PHI node corresponding to PredBB.  If not, return
@@ -308,6 +310,10 @@ public:
     return const_cast<Value*>(this)->DoPHITranslation(CurBB, PredBB);
   }
   
+  /// MaximumAlignment - This is the greatest alignment value supported by
+  /// load, store, and alloca instructions, and global values.
+  static const unsigned MaximumAlignment = 1u << 29;
+  
 protected:
   unsigned short getSubclassDataFromValue() const { return SubclassData; }
   void setValueSubclassData(unsigned short D) { SubclassData = D; }