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 | |
17 | #include "llvm/Analysis/LoopAnalysisManager.h" |
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) {} |
31 | PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, |
32 | LoopStandardAnalysisResults &AR, LPMUpdater &U); |
33 | }; |
34 | |
35 | } // end namespace llvm |
36 | |
37 | #endif // LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H |
38 | |