llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.

[oota-llvm.git] / lib / VMCore / ConstantFold.h

diff --git a/lib/VMCore/ConstantFold.h b/lib/VMCore/ConstantFold.h
index 24ef180b867b18db52ec6ba1b57f4db9ccb7807b..afa997876721329ec348f3316b374520ccf13f56 100644 (file)
--- a/lib/VMCore/ConstantFold.h
+++ b/lib/VMCore/ConstantFold.h
@@ -1,39 +1,70 @@
 //===-- 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>
-
 namespace llvm {
+  class Value;
   class Constant;
-  struct Type;
-  
+  class Type;
+  class LLVMContext;
+
   // Constant fold various types of instruction...
-  Constant *ConstantFoldCastInstruction(const Constant *V, const Type *DestTy);
-  Constant *ConstantFoldSelectInstruction(const Constant *Cond,
+  Constant *ConstantFoldCastInstruction(
+    LLVMContext &Context,
+    unsigned opcode,     ///< The opcode of the cast
+    const Constant *V,   ///< The source constant
+    const Type *DestTy   ///< The destination type
+  );
+  Constant *ConstantFoldSelectInstruction(LLVMContext &Context,
+                                          const Constant *Cond,
                                           const Constant *V1,
                                           const Constant *V2);
-  Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
+  Constant *ConstantFoldExtractElementInstruction(LLVMContext &Context,
+                                                  const Constant *Val,
+                                                  const Constant *Idx);
+  Constant *ConstantFoldInsertElementInstruction(LLVMContext &Context,
+                                                 const Constant *Val,
+                                                 const Constant *Elt,
+                                                 const Constant *Idx);
+  Constant *ConstantFoldShuffleVectorInstruction(LLVMContext &Context,
+                                                 const Constant *V1,
+                                                 const Constant *V2,
+                                                 const Constant *Mask);
+  Constant *ConstantFoldExtractValueInstruction(LLVMContext &Context,
+                                                const Constant *Agg,
+                                                const unsigned *Idxs,
+                                                unsigned NumIdx);
+  Constant *ConstantFoldInsertValueInstruction(LLVMContext &Context,
+                                               const Constant *Agg,
+                                               const Constant *Val,
+                                               const unsigned* Idxs,
+                                               unsigned NumIdx);
+  Constant *ConstantFoldBinaryInstruction(LLVMContext &Context,
+                                          unsigned Opcode, const Constant *V1,
                                           const Constant *V2);
-  Constant *ConstantFoldGetElementPtr(const Constant *C,
-                                      const std::vector<Constant*> &IdxList);
+  Constant *ConstantFoldCompareInstruction(LLVMContext &Context,
+                                           unsigned short predicate, 
+                                           const Constant *C1, 
+                                           const Constant *C2);
+  Constant *ConstantFoldGetElementPtr(LLVMContext &Context, const Constant *C,
+                                      Constant* const *Idxs, unsigned NumIdx);
 } // End llvm namespace
 
 #endif