Implement -mno-sse: if SSE is disabled on x86-64, don't store XMM on stack for
[oota-llvm.git] / lib / VMCore / ConstantFold.h
index e8580c429051a5c94cfd0910852bdec44afb873d..49aea11870afb7732d99085f9973e3e366e6edfd 100644 (file)
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
 // 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>
-
 namespace llvm {
   class Value;
   class Constant;
   class Type;
 
   // Constant fold various types of instruction...
-  Constant *ConstantFoldCastInstruction(const Constant *V, const Type *DestTy);
+  Constant *ConstantFoldCastInstruction(
+    unsigned opcode,     ///< The opcode of the cast
+    const Constant *V,   ///< The source constant
+    const Type *DestTy   ///< The destination type
+  );
   Constant *ConstantFoldSelectInstruction(const Constant *Cond,
                                           const Constant *V1,
                                           const Constant *V2);
   Constant *ConstantFoldExtractElementInstruction(const Constant *Val,
                                                   const Constant *Idx);
+  Constant *ConstantFoldInsertElementInstruction(const Constant *Val,
+                                                 const Constant *Elt,
+                                                 const Constant *Idx);
+  Constant *ConstantFoldShuffleVectorInstruction(const Constant *V1,
+                                                 const Constant *V2,
+                                                 const Constant *Mask);
+  Constant *ConstantFoldExtractValueInstruction(const Constant *Agg,
+                                                const unsigned *Idxs,
+                                                unsigned NumIdx);
+  Constant *ConstantFoldInsertValueInstruction(const Constant *Agg,
+                                               const Constant *Val,
+                                               const unsigned* Idxs,
+                                               unsigned NumIdx);
   Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
                                           const Constant *V2);
+  Constant *ConstantFoldCompareInstruction(unsigned short predicate, 
+                                           const Constant *C1, 
+                                           const Constant *C2);
   Constant *ConstantFoldGetElementPtr(const Constant *C,
-                                      const std::vector<Value*> &IdxList);
+                                      Constant* const *Idxs, unsigned NumIdx);
 } // End llvm namespace
 
 #endif