Use instruction itinerary to determine what instructions are 'cheap'.

[oota-llvm.git] / include / llvm / CodeGen / MachineConstantPool.h

diff --git a/include/llvm/CodeGen/MachineConstantPool.h b/include/llvm/CodeGen/MachineConstantPool.h
index 8d6c1d1e4ca2c0f088ef981e8fb051aee0fe57da..498f815b9b5a97c62cabc845287546e4fee622e0 100644 (file)
--- a/include/llvm/CodeGen/MachineConstantPool.h
+++ b/include/llvm/CodeGen/MachineConstantPool.h
@@ -74,7 +74,7 @@ class MachineConstantPoolEntry {
 public:
   /// The constant itself.
   union {
-    Constant *ConstVal;
+    const Constant *ConstVal;
     MachineConstantPoolValue *MachineCPVal;
   } Val;
 
@@ -82,7 +82,7 @@ public:
   /// a MachineConstantPoolValue.
   unsigned Alignment;
 
-  MachineConstantPoolEntry(Constant *V, unsigned A)
+  MachineConstantPoolEntry(const Constant *V, unsigned A)
     : Alignment(A) {
     Val.ConstVal = V;
   }
@@ -136,14 +136,14 @@ public:
     : TD(td), PoolAlignment(1) {}
   ~MachineConstantPool();
     
-  /// getConstantPoolAlignment - Return the the alignment required by
+  /// getConstantPoolAlignment - Return the alignment required by
   /// the whole constant pool, of which the first element must be aligned.
   unsigned getConstantPoolAlignment() const { return PoolAlignment; }
   
   /// getConstantPoolIndex - Create a new entry in the constant pool or return
   /// an existing one.  User must specify the minimum required alignment for
   /// the object.
-  unsigned getConstantPoolIndex(Constant *C, unsigned Alignment);
+  unsigned getConstantPoolIndex(const Constant *C, unsigned Alignment);
   unsigned getConstantPoolIndex(MachineConstantPoolValue *V,unsigned Alignment);
   
   /// isEmpty - Return true if this constant pool contains no constants.