| //===- 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" |
| |
| 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. |
| Deinterleave, |
| Splat, |
| Symmetric, |
| ReductionPHI, |
| ReductionOperation, |
| ReductionSelect, |
| }; |
| |
| enum class ComplexDeinterleavingRotation { |
| Rotation_0 = 0, |
| Rotation_90 = 1, |
| Rotation_180 = 2, |
| Rotation_270 = 3, |
| }; |
| |
| } // namespace llvm |
| |
| #endif // LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H |