1 //===- Scalarizer.h --- Scalarize vector operations -----------------------===// 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 pass converts vector operations into scalar operations, in order 11 /// to expose optimization opportunities on the individual scalar operations. 12 /// It is mainly intended for targets that do not have vector units, but it 13 /// may also be useful for revectorizing code to different vector widths. 14 // 15 //===----------------------------------------------------------------------===// 16 17 #ifndef LLVM_TRANSFORMS_SCALAR_SCALARIZER_H 18 #define LLVM_TRANSFORMS_SCALAR_SCALARIZER_H 19 20 #include "llvm/ADT/Optional.h" 21 #include "llvm/IR/PassManager.h" 22 23 namespace llvm { 24 25 class Function; 26 class FunctionPass; 27 28 struct ScalarizerPassOptions { 29 // These optional booleans correspond 1:1 to cl::opt<bool> options defined in 30 // Scalarizer.cpp. When the cl::opt are specified, they take precedence. 31 // When the cl::opt are not specified, the present optional booleans allow to 32 // override the cl::opt's default values. 33 llvm::Optional<bool> ScalarizeVariableInsertExtract; 34 llvm::Optional<bool> ScalarizeLoadStore; 35 }; 36 37 class ScalarizerPass : public PassInfoMixin<ScalarizerPass> { 38 ScalarizerPassOptions Options; 39 40 public: 41 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 42 43 void setScalarizeVariableInsertExtract(bool Value) { 44 Options.ScalarizeVariableInsertExtract = Value; 45 } 46 void setScalarizeLoadStore(bool Value) { Options.ScalarizeLoadStore = Value; } 47 }; 48 49 /// Create a legacy pass manager instance of the Scalarizer pass 50 FunctionPass *createScalarizerPass(); 51 52 } 53 54 #endif /* LLVM_TRANSFORMS_SCALAR_SCALARIZER_H */ 55