1 //===- LoopLoadElimination.h ------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 /// \file
10 /// This header defines the LoopLoadEliminationPass object. This pass forwards
11 /// loaded values around loop backedges to allow their use in subsequent
12 /// iterations.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H
17 #define LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H
18 
19 #include "llvm/IR/PassManager.h"
20 
21 namespace llvm {
22 
23 class Function;
24 
25 /// Pass to forward loads in a loop around the backedge to subsequent
26 /// iterations.
27 struct LoopLoadEliminationPass : public PassInfoMixin<LoopLoadEliminationPass> {
28   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
29 };
30 
31 } // end namespace llvm
32 
33 #endif // LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H
34