Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/IR/ConstantFold.h

@@ -1,56 +0,0 @@
-//===-- ConstantFolding.h - Internal Constant Folding Interface -*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// 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 they don't know how to perform
-// the specified operation on the specified constant types.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_IR_CONSTANTFOLD_H
-#define LLVM_LIB_IR_CONSTANTFOLD_H
-
-#include "llvm/ADT/Optional.h"
-
-namespace llvm {
-template <typename T> class ArrayRef;
-  class Value;
-  class Constant;
-  class Type;
-
-  // Constant fold various types of instruction...
-  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(Type *Ty, Constant *C, bool InBounds,
-                                      Optional<unsigned> InRangeIndex,
-                                      ArrayRef<Value *> Idxs);
-} // End llvm namespace
-
-#endif