1 //===---- Delinearization.h - MultiDimensional Index Delinearization ------===//
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 implements an analysis pass that tries to delinearize all GEP
10 // instructions in all loops using the SCEV analysis functionality. This pass is
11 // only used for testing purposes: if your pass needs delinearization, please
12 // use the on-demand SCEVAddRecExpr::delinearize() function.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_ANALYSIS_DELINEARIZATION_H
17 #define LLVM_ANALYSIS_DELINEARIZATION_H
18 
19 #include "llvm/IR/PassManager.h"
20 #include "llvm/Support/raw_ostream.h"
21 
22 namespace llvm {
23 struct DelinearizationPrinterPass
24     : public PassInfoMixin<DelinearizationPrinterPass> {
25   explicit DelinearizationPrinterPass(raw_ostream &OS);
26   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
27 
28 private:
29   raw_ostream &OS;
30 };
31 } // namespace llvm
32 
33 #endif // LLVM_ANALYSIS_DELINEARIZATION_H
34