X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FConstantFold.h;h=e12f27a7cb1ead40b9e0805e7b638937f52dd2c2;hb=4903c15b7d92802a4f0f28928a89bb4c0d5e212f;hp=7aa1683bd7184c3af40a55390f8847f0321c5384;hpb=cbfd40654177d6c2b7fcb94272c3a8064d5b8297;p=oota-llvm.git

diff --git a/lib/VMCore/ConstantFold.h b/lib/VMCore/ConstantFold.h
index 7aa1683bd71..e12f27a7cb1 100644
--- a/lib/VMCore/ConstantFold.h
+++ b/lib/VMCore/ConstantFold.h
@@ -1,36 +1,56 @@
 //===-- ConstantFolding.h - Internal Constant Folding Interface -*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines the (internal) constant folding interfaces for LLVM.  These
 // interfaces are used by the ConstantExpr::get* methods to automatically fold
 // constants when possible.
 //
-// These operators may return a null object if I don't know how to perform the
-// specified operation on the specified constant types.
+// These operators may return a null object if they don't know how to perform
+// the specified operation on the specified constant types.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef CONSTANTFOLDING_H
 #define CONSTANTFOLDING_H
 
-#include <vector>
+#include "llvm/ADT/ArrayRef.h"
 
 namespace llvm {
+  class Value;
   class Constant;
   class Type;
-  
+
   // Constant fold various types of instruction...
-  Constant *ConstantFoldCastInstruction(const Constant *V, const Type *DestTy);
-  Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
-                                          const Constant *V2);
-  Constant *ConstantFoldGetElementPtr(const Constant *C,
-                                      const std::vector<Constant*> &IdxList);
+  Constant *ConstantFoldCastInstruction(
+    unsigned opcode,     ///< The opcode of the cast
+    Constant *V,         ///< The source constant
+    Type *DestTy   ///< The destination type
+  );
+  Constant *ConstantFoldSelectInstruction(Constant *Cond,
+                                          Constant *V1, Constant *V2);
+  Constant *ConstantFoldExtractElementInstruction(Constant *Val, Constant *Idx);
+  Constant *ConstantFoldInsertElementInstruction(Constant *Val, Constant *Elt,
+                                                 Constant *Idx);
+  Constant *ConstantFoldShuffleVectorInstruction(Constant *V1, Constant *V2,
+                                                 Constant *Mask);
+  Constant *ConstantFoldExtractValueInstruction(Constant *Agg,
+                                                ArrayRef<unsigned> Idxs);
+  Constant *ConstantFoldInsertValueInstruction(Constant *Agg, Constant *Val,
+                                               ArrayRef<unsigned> Idxs);
+  Constant *ConstantFoldBinaryInstruction(unsigned Opcode, Constant *V1,
+                                          Constant *V2);
+  Constant *ConstantFoldCompareInstruction(unsigned short predicate, 
+                                           Constant *C1, Constant *C2);
+  Constant *ConstantFoldGetElementPtr(Constant *C, bool inBounds,
+                                      ArrayRef<Constant *> Idxs);
+  Constant *ConstantFoldGetElementPtr(Constant *C, bool inBounds,
+                                      ArrayRef<Value *> Idxs);
 } // End llvm namespace
 
 #endif