From f87b90e4dbb906436cf205a2a19e199bfe9224ed Mon Sep 17 00:00:00 2001
From: Cathal Corbett <cathal.corbett@arm.com>
Date: Tue, 22 Feb 2022 14:43:32 +0000
Subject: Revert "IVGCVSW-6268 Add support of Unidirectional Sequence Lstm
 fp32/fp16 to Neon"

This reverts commit b0baff73b1574a198e57d46fcd704cedc43cea16.

Reason for revert: cannot update ACL pin until 22.02 release.

Change-Id: I049a125ba3b6a9b1cd6514ef9dd14d807773ed00
---
 src/backends/neon/NeonLayerSupport.cpp | 34 ----------------------------------
 1 file changed, 34 deletions(-)

(limited to 'src/backends/neon/NeonLayerSupport.cpp')

diff --git a/src/backends/neon/NeonLayerSupport.cpp b/src/backends/neon/NeonLayerSupport.cpp
index 8901e47a0a..2b2229a4de 100644
--- a/src/backends/neon/NeonLayerSupport.cpp
+++ b/src/backends/neon/NeonLayerSupport.cpp
@@ -76,7 +76,6 @@
 #include "workloads/NeonSubtractionWorkload.hpp"
 #include "workloads/NeonTransposeConvolution2dWorkload.hpp"
 #include "workloads/NeonTransposeWorkload.hpp"
-#include "workloads/NeonUnidirectionalSequenceLstmFloatWorkload.hpp"
 #endif
 
 namespace armnn
@@ -345,17 +344,6 @@ bool NeonLayerSupport::IsLayerSupported(const LayerType& type,
                                     *(PolymorphicDowncast<const QLstmDescriptor*>(&descriptor)),
                                     lstmParamsInfo.value(),
                                     reasonIfUnsupported);
-        case LayerType::UnidirectionalSequenceLstm:
-            return IsUnidirectionalSequenceLstmSupported(infos[0],
-                                                         infos[1],
-                                                         infos[2],
-                                                         infos[3],
-                                                         infos[4],
-                                                         infos[5],
-                                                         *(PolymorphicDowncast<const
-                                                            UnidirectionalSequenceLstmDescriptor*>(&descriptor)),
-                                                         lstmParamsInfo.value(),
-                                                         reasonIfUnsupported);
         case LayerType::Maximum:
             return IsMaximumSupported(infos[0], infos[1], infos[2], reasonIfUnsupported);
         case LayerType::Mean:
@@ -1433,26 +1421,4 @@ bool NeonLayerSupport::IsTransposeSupported(const TensorInfo& input,
     FORWARD_WORKLOAD_VALIDATE_FUNC(NeonTransposeWorkloadValidate, reasonIfUnsupported, input, output, descriptor);
 }
 
-bool NeonLayerSupport::IsUnidirectionalSequenceLstmSupported(const TensorInfo& input,
-                                                             const TensorInfo& outputStateIn,
-                                                             const TensorInfo& cellStateIn,
-                                                             const TensorInfo& output,
-                                                             const Optional<TensorInfo>& hiddenStateOutput,
-                                                             const Optional<TensorInfo>& cellStateOutput,
-                                                             const UnidirectionalSequenceLstmDescriptor& descriptor,
-                                                             const LstmInputParamsInfo& paramsInfo,
-                                                             Optional<std::string&> reasonIfUnsupported) const
-{
-    FORWARD_WORKLOAD_VALIDATE_FUNC(NeonUnidirectionalSequenceLstmFloatWorkloadValidate,
-                                   reasonIfUnsupported,
-                                   input,
-                                   outputStateIn,
-                                   cellStateIn,
-                                   output,
-                                   hiddenStateOutput,
-                                   cellStateOutput,
-                                   descriptor,
-                                   paramsInfo);
-}
-
 } // namespace armnn
-- 
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