1 //===- llvm/IR/UseListOrder.h - LLVM Use List Order -------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file has structures and command-line options for preserving use-list
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_IR_USELISTORDER_H
16 #define LLVM_IR_USELISTORDER_H
27 /// \brief Structure to hold a use-list order.
31 std::vector<unsigned> Shuffle;
33 UseListOrder(const Value *V, const Function *F, size_t ShuffleSize)
34 : V(V), F(F), Shuffle(ShuffleSize) {}
36 UseListOrder() : V(nullptr), F(nullptr) {}
37 UseListOrder(UseListOrder &&X)
38 : V(X.V), F(X.F), Shuffle(std::move(X.Shuffle)) {}
39 UseListOrder &operator=(UseListOrder &&X) {
42 Shuffle = std::move(X.Shuffle);
47 UseListOrder(const UseListOrder &X) = delete;
48 UseListOrder &operator=(const UseListOrder &X) = delete;
51 typedef std::vector<UseListOrder> UseListOrderStack;
53 } // end namespace llvm
55 #endif // LLVM_IR_USELISTORDER_H