- //===- ComplexDeinterleavingPass.h - Complex Deinterleaving Pass *- 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 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- // This pass implements generation of target-specific intrinsics to support 
- // handling of complex number arithmetic and deinterleaving. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H 
- #define LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H 
-   
- #include "llvm/IR/PassManager.h" 
- #include "llvm/IR/PatternMatch.h" 
-   
- namespace llvm { 
-   
- class Function; 
- class TargetMachine; 
-   
- struct ComplexDeinterleavingPass 
-     : public PassInfoMixin<ComplexDeinterleavingPass> { 
- private: 
-   TargetMachine *TM; 
-   
- public: 
-   ComplexDeinterleavingPass(TargetMachine *TM) : TM(TM) {} 
-   
-   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 
- }; 
-   
- enum class ComplexDeinterleavingOperation { 
-   CAdd, 
-   CMulPartial, 
-   // The following 'operations' are used to represent internal states. Backends 
-   // are not expected to try and support these in any capacity. 
-   Shuffle 
- }; 
-   
- enum class ComplexDeinterleavingRotation { 
-   Rotation_0 = 0, 
-   Rotation_90 = 1, 
-   Rotation_180 = 2, 
-   Rotation_270 = 3, 
- }; 
-   
- } // namespace llvm 
-   
- #endif // LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H 
-