IVGCVSW-7165 Implement TosaRefPreCompiledWorkload::Execute()

 * Added FP32 support for TOSA Reference Backend.
 * Added main block creation to OptimizeSubgraphView, this will only
   occur once.

Change-Id: I169dac50b78e2c693da6327962c9f1d3ae3bd712
Signed-off-by: James Conroy <james.conroy@arm.com>
Signed-off-by: Matthew Sloyan <matthew.sloyan@arm.com>

5 files changed, 22 insertions, 11 deletions

diff --git a/src/backends/tosaCommon/TosaMappings.cpp b/src/backends/tosaCommon/TosaMappings.cpp
index 3c14bfd1f9..71d2012cbc 100644
--- a/src/backends/tosaCommon/TosaMappings.cpp
+++ b/src/backends/tosaCommon/TosaMappings.cpp
@@ -26,13 +26,14 @@ void SetBasicBlockConstantTensorData(Layer* layer, TosaSerializationBasicBlock*
 TosaSerializationBasicBlock* GetTosaMapping(const LayerType type,
                                             const std::vector<const TensorInfo*>& inputs,
                                             const std::vector<const TensorInfo*>& outputs,
-                                            const BaseDescriptor& /*descriptor*/)
+                                            const BaseDescriptor& /*descriptor*/,
+                                            bool isMain = false)
 {
     switch (type)
     {
         case LayerType::Addition:
         {
-            return ConvertAdditionToTosaOperator(inputs, outputs);
+            return ConvertAdditionToTosaOperator(inputs, outputs, isMain);
         }
         default:
         {
@@ -43,7 +44,7 @@ TosaSerializationBasicBlock* GetTosaMapping(const LayerType type,
     }
 }
 
-TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer)
+TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer, bool isMain = false)
 {
     std::vector<const TensorInfo*> inputs;
     for (auto inputSlot : layer->GetInputSlots())
@@ -60,7 +61,8 @@ TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer)
     TosaSerializationBasicBlock* basicBlock = GetTosaMapping(layer->GetType(),
                                                              inputs,
                                                              outputs,
-                                                             layer->GetParameters());
+                                                             layer->GetParameters(),
+                                                             isMain);
     SetBasicBlockConstantTensorData(layer, basicBlock);
     return basicBlock;
 }
diff --git a/src/backends/tosaCommon/TosaMappings.hpp b/src/backends/tosaCommon/TosaMappings.hpp
index c721bcaf59..7f137ca322 100644
--- a/src/backends/tosaCommon/TosaMappings.hpp
+++ b/src/backends/tosaCommon/TosaMappings.hpp
@@ -26,8 +26,9 @@ void SetBasicBlockConstantTensorData(Layer* layer, TosaSerializationBasicBlock*
 TosaSerializationBasicBlock* GetTosaMapping(const LayerType type,
                                             const std::vector<const TensorInfo*>& inputs,
                                             const std::vector<const TensorInfo*>& outputs,
-                                            const BaseDescriptor& /*descriptor*/);
+                                            const BaseDescriptor& /*descriptor*/,
+                                            bool isMain);
 
 // Function called in armnn::OptimizeSubgraphView() when access to armnn::Layer is available
 // and there is an option to set tosa basic block data from constant layer tenors available from the input layer.
-TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer);
+TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer, bool isMain);
diff --git a/src/backends/tosaCommon/operatorMappings/AdditionOperator.cpp b/src/backends/tosaCommon/operatorMappings/AdditionOperator.cpp
index 98ea03ac3c..796797728e 100644
--- a/src/backends/tosaCommon/operatorMappings/AdditionOperator.cpp
+++ b/src/backends/tosaCommon/operatorMappings/AdditionOperator.cpp
@@ -6,7 +6,8 @@
 #include "AdditionOperator.hpp"
 
 TosaSerializationBasicBlock* ConvertAdditionToTosaOperator(const std::vector<const TensorInfo*>& inputs,
-                                                           const std::vector<const TensorInfo*>& outputs)
+                                                           const std::vector<const TensorInfo*>& outputs,
+                                                           bool isMain)
 {
     // A helper function with static global variables ensures uniqueness
     // for dynamically generating input, output and block names
@@ -15,6 +16,12 @@ TosaSerializationBasicBlock* ConvertAdditionToTosaOperator(const std::vector<con
     std::string outputName = std::string("Op_ADD_output0_") + GetUniqueTosaMappingID();
     std::string blockName  = std::string("Op_ADD_block_")   + GetUniqueTosaMappingID();
 
+    // If it's the first block, overwrite block name with main.
+    if (isMain)
+    {
+        blockName = std::string("main");
+    }
+
     TosaSerializationOperator* op = new TosaSerializationOperator(Op_ADD,
                                                                   Attribute_NONE,
                                                                   nullptr,
diff --git a/src/backends/tosaCommon/operatorMappings/AdditionOperator.hpp b/src/backends/tosaCommon/operatorMappings/AdditionOperator.hpp
index 2a9c479d8e..f467bb6d10 100644
--- a/src/backends/tosaCommon/operatorMappings/AdditionOperator.hpp
+++ b/src/backends/tosaCommon/operatorMappings/AdditionOperator.hpp
@@ -14,5 +14,6 @@ using namespace armnn;
 using namespace tosa;
 
 TosaSerializationBasicBlock* ConvertAdditionToTosaOperator(const std::vector<const TensorInfo*>& inputs,
-                                                           const std::vector<const TensorInfo*>& outputs);
+                                                           const std::vector<const TensorInfo*>& outputs,
+                                                           bool isMain);
 
diff --git a/src/backends/tosaCommon/test/TosaOperatorMappingTests.cpp b/src/backends/tosaCommon/test/TosaOperatorMappingTests.cpp
index f4435bdf42..d7cc5d8f91 100644
--- a/src/backends/tosaCommon/test/TosaOperatorMappingTests.cpp
+++ b/src/backends/tosaCommon/test/TosaOperatorMappingTests.cpp
@@ -72,7 +72,7 @@ TEST_CASE("GetTosaMapping_AdditionLayer")
 {
     TensorInfo info = TensorInfo({ 1, 2, 4, 2 }, DataType::Float32, 0.0f, 0, true);
     TosaSerializationBasicBlock* basicBlock =
-        GetTosaMapping(LayerType::Addition, {&info, &info}, {&info}, BaseDescriptor());
+        GetTosaMapping(LayerType::Addition, {&info, &info}, {&info}, BaseDescriptor(), false);
     AssertTosaOneToOneMappingBasicBlock(basicBlock, { 1, 2, 4, 2 }, 2, 1, Op::Op_ADD, "Op_ADD");
 }
 
@@ -100,14 +100,14 @@ TEST_CASE("GetTosaMappingFromLayer_AdditionLayer")
     add->GetOutputSlot(0).SetTensorInfo(info);
 
     TosaSerializationBasicBlock* basicBlock =
-        GetTosaMappingFromLayer(PolymorphicDowncast<Layer*>(add));
+        GetTosaMappingFromLayer(PolymorphicDowncast<Layer*>(add), false);
     AssertTosaOneToOneMappingBasicBlock(basicBlock, { 1, 2, 4, 2 }, 2, 1, Op::Op_ADD, "Op_ADD");
 }
 
 TEST_CASE("GetTosaMapping_Unimplemented")
 {
     TosaSerializationBasicBlock* basicBlock =
-        GetTosaMapping(LayerType::UnidirectionalSequenceLstm, {}, {}, BaseDescriptor());
+        GetTosaMapping(LayerType::UnidirectionalSequenceLstm, {}, {}, BaseDescriptor(), false);
 
     CHECK(basicBlock->GetName() == "");
     CHECK(basicBlock->GetTensors().size() == 0);