| 1 | //===- ComplexDeinterleavingPass.h - Complex Deinterleaving Pass *- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This pass implements generation of target-specific intrinsics to support |
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| 10 | // handling of complex number arithmetic and deinterleaving. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #ifndef LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H |
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| 15 | #define LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H |
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| 16 | |
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| 17 | #include "llvm/IR/PassManager.h" |
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| 18 | |
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| 19 | namespace llvm { |
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| 20 | |
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| 21 | class Function; |
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| 22 | class TargetMachine; |
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| 23 | |
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| 24 | struct ComplexDeinterleavingPass |
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| 25 | : public PassInfoMixin<ComplexDeinterleavingPass> { |
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| 26 | private: |
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| 27 | TargetMachine *TM; |
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| 28 | |
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| 29 | public: |
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| 30 | ComplexDeinterleavingPass(TargetMachine *TM) : TM(TM) {} |
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| 31 | |
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| 32 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
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| 33 | }; |
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| 34 | |
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| 35 | enum class ComplexDeinterleavingOperation { |
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| 36 | CAdd, |
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| 37 | CMulPartial, |
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| 38 | // The following 'operations' are used to represent internal states. Backends |
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| 39 | // are not expected to try and support these in any capacity. |
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| 40 | Deinterleave, |
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| 41 | Splat, |
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| 42 | Symmetric, |
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| 43 | ReductionPHI, |
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| 44 | ReductionOperation, |
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| 45 | ReductionSelect, |
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| 46 | }; |
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| 47 | |
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| 48 | enum class ComplexDeinterleavingRotation { |
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| 49 | Rotation_0 = 0, |
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| 50 | Rotation_90 = 1, |
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| 51 | Rotation_180 = 2, |
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| 52 | Rotation_270 = 3, |
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| 53 | }; |
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| 54 | |
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| 55 | } // namespace llvm |
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| 56 | |
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| 57 | #endif // LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H |
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| 58 | |
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