LLVM  14.0.0git
IndVarSimplify.h
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1 //===- IndVarSimplify.h - Induction Variable Simplification -----*- 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 // This file provides the interface for the Induction Variable
10 // Simplification pass.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
15 #define LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
16 
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 
22 class Loop;
23 class LPMUpdater;
24 
25 class IndVarSimplifyPass : public PassInfoMixin<IndVarSimplifyPass> {
26  /// Perform IV widening during the pass.
27  bool WidenIndVars;
28 
29 public:
30  IndVarSimplifyPass(bool WidenIndVars = true) : WidenIndVars(WidenIndVars) {}
33 };
34 
35 } // end namespace llvm
36 
37 #endif // LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
llvm::PreservedAnalyses
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:155
llvm
This file implements support for optimizing divisions by a constant.
Definition: AllocatorList.h:23
llvm::PassInfoMixin
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:374
llvm::Loop
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:530
llvm::LoopStandardAnalysisResults
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
Definition: LoopAnalysisManager.h:52
LoopAnalysisManager.h
llvm::LPMUpdater
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
Definition: LoopPassManager.h:263
llvm::IndVarSimplifyPass::IndVarSimplifyPass
IndVarSimplifyPass(bool WidenIndVars=true)
Definition: IndVarSimplify.h:30
llvm::IndVarSimplifyPass::run
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, LoopStandardAnalysisResults &AR, LPMUpdater &U)
Definition: IndVarSimplify.cpp:2008
llvm::IndVarSimplifyPass
Definition: IndVarSimplify.h:25
PassManager.h
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition: InstructionSimplify.h:44