0f152a55d3
This pass aims to infer alignment for instructions as a separate pass, to reduce redundant work done by InstCombine running multiple times. It runs late in the pipeline, just before the back-end passes where this information is most useful. Differential Revision: https://reviews.llvm.org/D158529
28 lines
933 B
C++
28 lines
933 B
C++
//===- InferAlignment.h -----------------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Infer alignment for load, stores and other memory operations based on
|
|
// trailing zero known bits information.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TRANSFORMS_SCALAR_INFERALIGNMENT_H
|
|
#define LLVM_TRANSFORMS_SCALAR_INFERALIGNMENT_H
|
|
|
|
#include "llvm/IR/PassManager.h"
|
|
|
|
namespace llvm {
|
|
|
|
struct InferAlignmentPass : public PassInfoMixin<InferAlignmentPass> {
|
|
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
|
|
};
|
|
|
|
} // namespace llvm
|
|
|
|
#endif // LLVM_TRANSFORMS_SCALAR_INFERALIGNMENT_H
|