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// RUN: %target-swift-frontend -emit-sil -verify -Xllvm --sil-print-after=differentiation -Xllvm --debug-only=differentiation %s 2>&1 | %FileCheck %s
// Needed for '--debug-only'
// REQUIRES: asserts
import _Differentiation
//===----------------------------------------------------------------------===//
// Pullback generation - `struct_extract`
// - Nested AddElement adjoint kind is created due to the extraction of same
// field multiple times
//===----------------------------------------------------------------------===//
struct SmallTestModel : Differentiable {
public var stored1: Float = 3.0
public var stored2: Float = 3.0
public var stored3: Float = 3.0
}
@differentiable(reverse)
func multipleExtractionOfSameField(_ model: SmallTestModel) -> Float{
return model.stored1 + model.stored1 + model.stored1
}
// CHECK-LABEL: [AD] Accumulating adjoint directly.
// CHECK: LHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored1), Concrete[$Float]((%5, **%6**) = destructure_tuple %3 : $(Float, Float)
// CHECK: )]
// CHECK: RHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored1), Concrete[$Float]((%9, **%10**) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK-LABEL: [AD] Accumulating adjoint directly.
// CHECK: LHS: AddElement[AddElement[Zero[$SmallTestModel.TangentVector], Field(stored1), Concrete[$Float]((%5, **%6**) = destructure_tuple %3 : $(Float, Float)
// CHECK: )], Field(stored1), Concrete[$Float]((%9, **%10**) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK: RHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored1), Concrete[$Float]((**%9**, %10) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK-LABEL: sil private [ossa] @$s46pullback_generation_nested_addelement_adjoints29multipleExtractionOfSameFieldySfAA14SmallTestModelVFTJpSpSr : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float), @owned @callee_guaranteed (Float) -> (Float, Float)) -> SmallTestModel.TangentVector {
// CHECK: bb0(%0 : $Float, %1 : @owned $@callee_guaranteed (Float) -> (Float, Float), %2 : @owned $@callee_guaranteed (Float) -> (Float, Float)):
// CHECK: %3 = apply %2(%0) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: destroy_value %2 : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: (%5, %6) = destructure_tuple %3 : $(Float, Float)
// CHECK: %7 = apply %1(%5) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: destroy_value %1 : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: (%9, %10) = destructure_tuple %7 : $(Float, Float)
// CHECK: %11 = alloc_stack $SmallTestModel.TangentVector
// CHECK: %12 = witness_method $SmallTestModel.TangentVector, #AdditiveArithmetic.zero!getter : <Self where Self : AdditiveArithmetic> (Self.Type) -> () -> Self : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@thick τ_0_0.Type) -> @out τ_0_0
// CHECK: %13 = metatype $@thick SmallTestModel.TangentVector.Type
// CHECK: %14 = apply %12<SmallTestModel.TangentVector>(%11, %13) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@thick τ_0_0.Type) -> @out τ_0_0
// CHECK: %15 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored1
// CHECK: %16 = alloc_stack $Float
// CHECK: store %9 to [trivial] %16 : $*Float
// CHECK: %18 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %19 = metatype $@thick Float.Type
// CHECK: %20 = apply %18<Float>(%15, %16, %19) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %16 : $*Float
// CHECK: dealloc_stack %16 : $*Float
// CHECK: %23 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored1
// CHECK: %24 = alloc_stack $Float
// CHECK: store %10 to [trivial] %24 : $*Float
// CHECK: %26 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %27 = metatype $@thick Float.Type
// CHECK: %28 = apply %26<Float>(%23, %24, %27) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %24 : $*Float
// CHECK: dealloc_stack %24 : $*Float
// CHECK: %31 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored1
// CHECK: %32 = alloc_stack $Float
// CHECK: store %6 to [trivial] %32 : $*Float
// CHECK: %34 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %35 = metatype $@thick Float.Type
// CHECK: %36 = apply %34<Float>(%31, %32, %35) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %32 : $*Float
// CHECK: dealloc_stack %32 : $*Float
// CHECK: %39 = load [trivial] %11 : $*SmallTestModel.TangentVector
// CHECK: dealloc_stack %11 : $*SmallTestModel.TangentVector
// CHECK: debug_value %39 : $SmallTestModel.TangentVector, let, name "model", argno 1
// CHECK: return %39 : $SmallTestModel.TangentVector
// CHECK: }
//===----------------------------------------------------------------------===//
// Pullback generation - `struct_extract`
// - Nested AddElement adjoint kind is created due to the extraction of multiple
// fields from the same struct
//===----------------------------------------------------------------------===//
@differentiable(reverse)
func multipleExtractionsFromSameStruct(_ model: SmallTestModel) -> Float{
return model.stored1 + model.stored2 + model.stored3
}
// CHECK-LABEL: [AD] Accumulating adjoint directly.
// CHECK: LHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored3), Concrete[$Float]((%5, **%6**) = destructure_tuple %3 : $(Float, Float)
// CHECK: )]
// CHECK: RHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored2), Concrete[$Float]((%9, **%10**) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK-LABEL: [AD] Accumulating adjoint directly.
// CHECK: LHS: AddElement[AddElement[Zero[$SmallTestModel.TangentVector], Field(stored3), Concrete[$Float]((%5, **%6**) = destructure_tuple %3 : $(Float, Float)
// CHECK: )], Field(stored2), Concrete[$Float]((%9, **%10**) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK: RHS: AddElement[Zero[$SmallTestModel.TangentVector], Field(stored1), Concrete[$Float]((**%9**, %10) = destructure_tuple %7 : $(Float, Float)
// CHECK: )]
// CHECK-LABEL: sil private [ossa] @$s46pullback_generation_nested_addelement_adjoints33multipleExtractionsFromSameStructySfAA14SmallTestModelVFTJpSpSr : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float), @owned @callee_guaranteed (Float) -> (Float, Float)) -> SmallTestModel.TangentVector {
// CHECK: bb0(%0 : $Float, %1 : @owned $@callee_guaranteed (Float) -> (Float, Float), %2 : @owned $@callee_guaranteed (Float) -> (Float, Float)):
// CHECK: %3 = apply %2(%0) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: destroy_value %2 : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: (%5, %6) = destructure_tuple %3 : $(Float, Float)
// CHECK: %7 = apply %1(%5) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: destroy_value %1 : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: (%9, %10) = destructure_tuple %7 : $(Float, Float)
// CHECK: %11 = alloc_stack $SmallTestModel.TangentVector
// CHECK: %12 = witness_method $SmallTestModel.TangentVector, #AdditiveArithmetic.zero!getter : <Self where Self : AdditiveArithmetic> (Self.Type) -> () -> Self : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@thick τ_0_0.Type) -> @out τ_0_0
// CHECK: %13 = metatype $@thick SmallTestModel.TangentVector.Type
// CHECK: %14 = apply %12<SmallTestModel.TangentVector>(%11, %13) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@thick τ_0_0.Type) -> @out τ_0_0
// CHECK: %15 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored1
// CHECK: %16 = alloc_stack $Float
// CHECK: store %9 to [trivial] %16 : $*Float
// CHECK: %18 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %19 = metatype $@thick Float.Type
// CHECK: %20 = apply %18<Float>(%15, %16, %19) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %16 : $*Float
// CHECK: dealloc_stack %16 : $*Float
// CHECK: %23 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored2
// CHECK: %24 = alloc_stack $Float
// CHECK: store %10 to [trivial] %24 : $*Float
// CHECK: %26 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %27 = metatype $@thick Float.Type
// CHECK: %28 = apply %26<Float>(%23, %24, %27) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %24 : $*Float
// CHECK: dealloc_stack %24 : $*Float
// CHECK: %31 = struct_element_addr %11 : $*SmallTestModel.TangentVector, #SmallTestModel.TangentVector.stored3
// CHECK: %32 = alloc_stack $Float
// CHECK: store %6 to [trivial] %32 : $*Float
// CHECK: %34 = witness_method $Float, #AdditiveArithmetic."+=" : <Self where Self : AdditiveArithmetic> (Self.Type) -> (inout Self, Self) -> () : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: %35 = metatype $@thick Float.Type
// CHECK: %36 = apply %34<Float>(%31, %32, %35) : $@convention(witness_method: AdditiveArithmetic) <τ_0_0 where τ_0_0 : AdditiveArithmetic> (@inout τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> ()
// CHECK: destroy_addr %32 : $*Float
// CHECK: dealloc_stack %32 : $*Float
// CHECK: %39 = load [trivial] %11 : $*SmallTestModel.TangentVector
// CHECK: dealloc_stack %11 : $*SmallTestModel.TangentVector
// CHECK: debug_value %39 : $SmallTestModel.TangentVector, let, name "model", argno 1
// CHECK: return %39 : $SmallTestModel.TangentVector
// CHECK: }
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