include/llvm/Transforms/Scalar/LoopLoadElimination.h

   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