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|
// RUN: %target-sil-opt -test-runner %s -o /dev/null 2>&1 | %FileCheck %s
// REQUIRES: swift_in_compiler
sil_stage canonical
import Builtin
import Swift
import SwiftShims
import _Differentiation
////////////////////////////////////////////////////////////////
// Single closure call site where closure is passed as @owned //
////////////////////////////////////////////////////////////////
sil @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
sil private @$pullback_f : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float {
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> (Float, Float)):
%2 = apply %1(%0) : $@callee_guaranteed (Float) -> (Float, Float)
strong_release %1 : $@callee_guaranteed (Float) -> (Float, Float) // id: %3
%4 = tuple_extract %2 : $(Float, Float), 0
%5 = tuple_extract %2 : $(Float, Float), 1
%6 = struct_extract %5 : $Float, #Float._value
%7 = struct_extract %4 : $Float, #Float._value
%8 = builtin "fadd_FPIEEE32"(%6 : $Builtin.FPIEEE32, %7 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%9 = struct $Float (%8 : $Builtin.FPIEEE32)
debug_value %9 : $Float, let, name "x", argno 1 // id: %10
return %9 : $Float // id: %11
}
// reverse-mode derivative of f(_:)
sil hidden @$s4test1fyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
bb0(%0 : $Float):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s4test1fyS2fFTJrSpSr
// CHECK: PartialApply call site: %8 = partial_apply [callee_guaranteed] %7(%6) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
// CHECK: Passed in closures:
// CHECK: 1. %6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s11$pullback_f12$vjpMultiplyS2fTf1nc_n
// CHECK: sil private @$s11$pullback_f12$vjpMultiplyS2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float {
// CHECK: bb0(%0 : $Float, %1 : $Float, %2 : $Float):
// CHECK: %3 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%1, %2) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %5 = apply %4(%0) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: strong_release %4 : $@callee_guaranteed (Float) -> (Float, Float) // id: %6
// CHECK: return
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s4test1fyS2fFTJrSpSr
// CHECK: sil hidden @$s4test1fyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
// CHECK: bb0(%0 : $Float):
// CHECK: %2 = struct_extract %0 : $Float, #Float._value
// CHECK: %3 = builtin "fmul_FPIEEE32"(%2 : $Builtin.FPIEEE32, %2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %4 = struct $Float (%3 : $Builtin.FPIEEE32)
// CHECK: %5 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %8 = function_ref @$s11$pullback_f12$vjpMultiplyS2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: %9 = partial_apply [callee_guaranteed] %8(%0, %0) : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: release_value %6 : $@callee_guaranteed (Float) -> (Float, Float) // id: %10
// CHECK: %11 = tuple (%4 : $Float, %9 : $@callee_guaranteed (Float) -> Float)
// CHECK: return %11
debug_value %0 : $Float, let, name "x", argno 1 // id: %1
%2 = struct_extract %0 : $Float, #Float._value
%3 = builtin "fmul_FPIEEE32"(%2 : $Builtin.FPIEEE32, %2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%4 = struct $Float (%3 : $Builtin.FPIEEE32)
// function_ref closure #1 in static Float._vjpMultiply(lhs:rhs:)
%5 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
%6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// function_ref pullback of f(_:)
%7 = function_ref @$pullback_f : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
%8 = partial_apply [callee_guaranteed] %7(%6) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
%9 = tuple (%4 : $Float, %8 : $@callee_guaranteed (Float) -> Float)
return %9 : $(Float, @callee_guaranteed (Float) -> Float) // id: %10
}
/////////////////////////////////////////////////////////////////////
// Single closure call site where closure is passed as @guaranteed //
/////////////////////////////////////////////////////////////////////
sil private @$pullback_k : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> Float {
// %0
// %1
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> (Float, Float)):
%2 = apply %1(%0) : $@callee_guaranteed (Float) -> (Float, Float)
%3 = tuple_extract %2 : $(Float, Float), 0
%4 = tuple_extract %2 : $(Float, Float), 1
%5 = struct_extract %4 : $Float, #Float._value
%6 = struct_extract %3 : $Float, #Float._value
%7 = builtin "fadd_FPIEEE32"(%5 : $Builtin.FPIEEE32, %6 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%8 = struct $Float (%7 : $Builtin.FPIEEE32)
debug_value %8 : $Float, let, name "x", argno 1 // id: %9
return %8 : $Float // id: %10
} // end sil function '$pullback_k'
// reverse-mode derivative of k(_:)
sil hidden @$s4test1kyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
bb0(%0 : $Float):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s4test1kyS2fFTJrSpSr
// CHECK: PartialApply call site: %8 = partial_apply [callee_guaranteed] %7(%6) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> Float
// CHECK: Passed in closures:
// CHECK: 1. %6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s11$pullback_k12$vjpMultiplyS2fTf1nc_n
// CHECK: sil private @$s11$pullback_k12$vjpMultiplyS2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float {
// CHECK: bb0(%0 : $Float, %1 : $Float, %2 : $Float):
// CHECK: %3 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%1, %2) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %5 = apply %4(%0) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: release_value %4 : $@callee_guaranteed (Float) -> (Float, Float) // id: %13
// CHECK: return %11
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s4test1kyS2fFTJrSpSr
// CHECK: sil hidden @$s4test1kyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
// CHECK: bb0(%0 : $Float):
// CHECK: %2 = struct_extract %0 : $Float, #Float._value
// CHECK: %3 = builtin "fmul_FPIEEE32"(%2 : $Builtin.FPIEEE32, %2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %4 = struct $Float (%3 : $Builtin.FPIEEE32)
// CHECK: %5 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %8 = function_ref @$s11$pullback_k12$vjpMultiplyS2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: %9 = partial_apply [callee_guaranteed] %8(%0, %0) : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: strong_release %6 : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: %11 = tuple (%4 : $Float, %9 : $@callee_guaranteed (Float) -> Float)
// CHECK: return %11
debug_value %0 : $Float, let, name "x", argno 1 // id: %1
%2 = struct_extract %0 : $Float, #Float._value
%3 = builtin "fmul_FPIEEE32"(%2 : $Builtin.FPIEEE32, %2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%4 = struct $Float (%3 : $Builtin.FPIEEE32)
// function_ref $vjpMultiply
%5 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
%6 = partial_apply [callee_guaranteed] %5(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// function_ref $pullback_k
%7 = function_ref @$pullback_k : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> Float
%8 = partial_apply [callee_guaranteed] %7(%6) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> Float
strong_release %6 : $@callee_guaranteed (Float) -> (Float, Float) // id: %9
%10 = tuple (%4 : $Float, %8 : $@callee_guaranteed (Float) -> Float)
return %10 : $(Float, @callee_guaranteed (Float) -> Float) // id: %11
} // end sil function '$s4test1kyS2fFTJrSpSr'
///////////////////////////////
// Multiple closure callsite //
///////////////////////////////
sil @$vjpSin : $@convention(thin) (Float, Float) -> Float
sil @$vjpCos : $@convention(thin) (Float, Float) -> Float
// pullback of g(_:)
sil private @$pullback_g : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float {
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> Float, %2 : $@callee_guaranteed (Float) -> Float, %3 : $@callee_guaranteed (Float) -> (Float, Float)):
%4 = apply %3(%0) : $@callee_guaranteed (Float) -> (Float, Float)
strong_release %3 : $@callee_guaranteed (Float) -> (Float, Float) // id: %5
%6 = tuple_extract %4 : $(Float, Float), 0
%7 = tuple_extract %4 : $(Float, Float), 1
%8 = apply %2(%7) : $@callee_guaranteed (Float) -> Float
strong_release %2 : $@callee_guaranteed (Float) -> Float // id: %9
%10 = apply %1(%6) : $@callee_guaranteed (Float) -> Float
strong_release %1 : $@callee_guaranteed (Float) -> Float // id: %11
%12 = struct_extract %8 : $Float, #Float._value
%13 = struct_extract %10 : $Float, #Float._value
%14 = builtin "fadd_FPIEEE32"(%13 : $Builtin.FPIEEE32, %12 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%15 = struct $Float (%14 : $Builtin.FPIEEE32)
debug_value %15 : $Float, let, name "x", argno 1 // id: %16
return %15 : $Float // id: %17
}
// reverse-mode derivative of g(_:)
sil hidden @$s4test1gyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
bb0(%0 : $Float):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s4test1gyS2fFTJrSpSr
// CHECK: PartialApply call site: %16 = partial_apply [callee_guaranteed] %15(%6, %10, %14) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
// CHECK: Passed in closures:
// CHECK: 1. %6 = partial_apply [callee_guaranteed] %5(%0) : $@convention(thin) (Float, Float) -> Float
// CHECK: 2. %10 = partial_apply [callee_guaranteed] %9(%0) : $@convention(thin) (Float, Float) -> Float
// CHECK: 3. %14 = partial_apply [callee_guaranteed] %13(%8, %4) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s11$pullback_g7$vjpSinSf0B3CosSf0B8MultiplyS2fTf1nccc_n
// CHECK: sil private @$s11$pullback_g7$vjpSinSf0B3CosSf0B8MultiplyS2fTf1nccc_n : $@convention(thin) (Float, Float, Float, Float, Float) -> Float {
// CHECK: bb0(%0 : $Float, %1 : $Float, %2 : $Float, %3 : $Float, %4 : $Float):
// CHECK: %5 = function_ref @$vjpSin : $@convention(thin) (Float, Float) -> Float
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%1) : $@convention(thin) (Float, Float) -> Float
// CHECK: %7 = function_ref @$vjpCos : $@convention(thin) (Float, Float) -> Float
// CHECK: %8 = partial_apply [callee_guaranteed] %7(%2) : $@convention(thin) (Float, Float) -> Float
// CHECK: %9 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %10 = partial_apply [callee_guaranteed] %9(%3, %4) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %11 = apply %10(%0) : $@callee_guaranteed (Float) -> (Float, Float)
// CHECK: strong_release %10 : $@callee_guaranteed (Float) -> (Float, Float) // id: %12
// CHECK: %15 = apply %8(%14) : $@callee_guaranteed (Float) -> Float
// CHECK: strong_release %8 : $@callee_guaranteed (Float) -> Float // id: %16
// CHECK: %17 = apply %6(%13) : $@callee_guaranteed (Float) -> Float
// CHECK: strong_release %6 : $@callee_guaranteed (Float) -> Float // id: %18
// CHECK: return
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s4test1gyS2fFTJrSpSr
// CHECK: sil hidden @$s4test1gyS2fFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
// CHECK: bb0(%0 : $Float):
// CHECK: %2 = struct_extract %0 : $Float, #Float._value
// CHECK: %3 = builtin "int_sin_FPIEEE32"(%2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %4 = struct $Float (%3 : $Builtin.FPIEEE32)
// CHECK: %5 = function_ref @$vjpSin : $@convention(thin) (Float, Float) -> Float
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%0) : $@convention(thin) (Float, Float) -> Float
// CHECK: %7 = builtin "int_cos_FPIEEE32"(%2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %8 = struct $Float (%7 : $Builtin.FPIEEE32)
// CHECK: %9 = function_ref @$vjpCos : $@convention(thin) (Float, Float) -> Float
// CHECK: %10 = partial_apply [callee_guaranteed] %9(%0) : $@convention(thin) (Float, Float) -> Float
// CHECK: %11 = builtin "fmul_FPIEEE32"(%3 : $Builtin.FPIEEE32, %7 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %12 = struct $Float (%11 : $Builtin.FPIEEE32)
// CHECK: %13 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %14 = partial_apply [callee_guaranteed] %13(%8, %4) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %16 = function_ref @$s11$pullback_g7$vjpSinSf0B3CosSf0B8MultiplyS2fTf1nccc_n : $@convention(thin) (Float, Float, Float, Float, Float) -> Float
// CHECK: %17 = partial_apply [callee_guaranteed] %16(%0, %0, %8, %4) : $@convention(thin) (Float, Float, Float, Float, Float) -> Float
// CHECK: release_value %6 : $@callee_guaranteed (Float) -> Float // id: %18
// CHECK: release_value %10 : $@callee_guaranteed (Float) -> Float // id: %19
// CHECK: release_value %14 : $@callee_guaranteed (Float) -> (Float, Float) // id: %20
// CHECK: %21 = tuple (%12 : $Float, %17 : $@callee_guaranteed (Float) -> Float)
// CHECK: return %21
debug_value %0 : $Float, let, name "x", argno 1 // id: %1
%2 = struct_extract %0 : $Float, #Float._value
%3 = builtin "int_sin_FPIEEE32"(%2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%4 = struct $Float (%3 : $Builtin.FPIEEE32)
// function_ref closure #1 in _vjpSin(_:)
%5 = function_ref @$vjpSin : $@convention(thin) (Float, Float) -> Float
%6 = partial_apply [callee_guaranteed] %5(%0) : $@convention(thin) (Float, Float) -> Float
%7 = builtin "int_cos_FPIEEE32"(%2 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%8 = struct $Float (%7 : $Builtin.FPIEEE32)
// function_ref closure #1 in _vjpCos(_:)
%9 = function_ref @$vjpCos : $@convention(thin) (Float, Float) -> Float
%10 = partial_apply [callee_guaranteed] %9(%0) : $@convention(thin) (Float, Float) -> Float
%11 = builtin "fmul_FPIEEE32"(%3 : $Builtin.FPIEEE32, %7 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
%12 = struct $Float (%11 : $Builtin.FPIEEE32)
// function_ref closure #1 in static Float._vjpMultiply(lhs:rhs:)
%13 = function_ref @$vjpMultiply : $@convention(thin) (Float, Float, Float) -> (Float, Float)
%14 = partial_apply [callee_guaranteed] %13(%8, %4) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// function_ref pullback of g(_:)
%15 = function_ref @$pullback_g : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
%16 = partial_apply [callee_guaranteed] %15(%6, %10, %14) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> Float, @owned @callee_guaranteed (Float) -> (Float, Float)) -> Float
%17 = tuple (%12 : $Float, %16 : $@callee_guaranteed (Float) -> Float)
return %17 : $(Float, @callee_guaranteed (Float) -> Float) // id: %18
}
///////////////////////////////
/// Parameter subset thunks ///
///////////////////////////////
struct X : Differentiable {
@_hasStorage var a: Float { get set }
@_hasStorage var b: Double { get set }
struct TangentVector : AdditiveArithmetic, Differentiable {
@_hasStorage var a: Float { get set }
@_hasStorage var b: Double { get set }
static func + (lhs: X.TangentVector, rhs: X.TangentVector) -> X.TangentVector
static func - (lhs: X.TangentVector, rhs: X.TangentVector) -> X.TangentVector
@_implements(Equatable, ==(_:_:)) static func __derived_struct_equals(_ a: X.TangentVector, _ b: X.TangentVector) -> Bool
typealias TangentVector = X.TangentVector
init(a: Float, b: Double)
static var zero: X.TangentVector { get }
}
init(a: Float, b: Double)
mutating func move(by offset: X.TangentVector)
}
sil [transparent] [thunk] @subset_parameter_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
sil @pullback_f : $@convention(thin) (Float, Double) -> X.TangentVector
sil shared @pullback_g : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) -> X.TangentVector {
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> X.TangentVector):
%2 = apply %1(%0) : $@callee_guaranteed (Float) -> X.TangentVector
strong_release %1 : $@callee_guaranteed (Float) -> X.TangentVector
return %2 : $X.TangentVector
}
sil hidden @$s5test21g1xSfAA1XV_tFTJrSpSr : $@convention(thin) (X) -> (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) {
bb0(%0 : $X):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s5test21g1xSfAA1XV_tFTJrSpSr
// CHECK: PartialApply call site: %7 = partial_apply [callee_guaranteed] %6(%5) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) -> X.TangentVector
// CHECK: Passed in closures:
// CHECK: 1. %3 = thin_to_thick_function %2 : $@convention(thin) (Float, Double) -> X.TangentVector to $@callee_guaranteed (Float, Double) -> X.TangentVector
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s10pullback_g0A2_fTf1nc_n
// CHECK: sil shared @$s10pullback_g0A2_fTf1nc_n : $@convention(thin) (Float) -> X.TangentVector {
// CHECK: bb0(%0 : $Float):
// CHECK: %1 = function_ref @pullback_f : $@convention(thin) (Float, Double) -> X.TangentVector
// CHECK: %2 = thin_to_thick_function %1 : $@convention(thin) (Float, Double) -> X.TangentVector to $@callee_guaranteed (Float, Double) -> X.TangentVector
// CHECK: %3 = function_ref @subset_parameter_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%2) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
// CHECK: %5 = apply %4(%0) : $@callee_guaranteed (Float) -> X.TangentVector
// CHECK: strong_release %4 : $@callee_guaranteed (Float) -> X.TangentVector // id: %6
// CHECK: return %5 : $X.TangentVector // id: %7
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s5test21g1xSfAA1XV_tFTJrSpSr
// CHECK: sil hidden @$s5test21g1xSfAA1XV_tFTJrSpSr : $@convention(thin) (X) -> (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) {
// CHECK: bb0(%0 : $X):
// CHECK: %1 = struct_extract %0 : $X, #X.a
// CHECK: %2 = function_ref @pullback_f : $@convention(thin) (Float, Double) -> X.TangentVector
// CHECK: %3 = thin_to_thick_function %2 : $@convention(thin) (Float, Double) -> X.TangentVector to $@callee_guaranteed (Float, Double) -> X.TangentVector
// CHECK: %4 = function_ref @subset_parameter_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
// CHECK: %5 = partial_apply [callee_guaranteed] %4(%3) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
// CHECK: %7 = function_ref @$s10pullback_g0A2_fTf1nc_n : $@convention(thin) (Float) -> X.TangentVector
// CHECK: %8 = partial_apply [callee_guaranteed] %7() : $@convention(thin) (Float) -> X.TangentVector
// CHECK: release_value %3 : $@callee_guaranteed (Float, Double) -> X.TangentVector // id: %9
// CHECK: %10 = tuple (%1 : $Float, %8 : $@callee_guaranteed (Float) -> X.TangentVector)
// CHECK: return %10
%1 = struct_extract %0 : $X, #X.a
// function_ref pullback_f
%2 = function_ref @pullback_f : $@convention(thin) (Float, Double) -> X.TangentVector
%3 = thin_to_thick_function %2 : $@convention(thin) (Float, Double) -> X.TangentVector to $@callee_guaranteed (Float, Double) -> X.TangentVector
// function_ref subset_parameter_thunk
%4 = function_ref @subset_parameter_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
%5 = partial_apply [callee_guaranteed] %4(%3) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (Float, Double) -> X.TangentVector) -> X.TangentVector
// function_ref pullback_g
%6 = function_ref @pullback_g : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) -> X.TangentVector
%7 = partial_apply [callee_guaranteed] %6(%5) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> X.TangentVector) -> X.TangentVector
%8 = tuple (%1 : $Float, %7 : $@callee_guaranteed (Float) -> X.TangentVector)
return %8 : $(Float, @callee_guaranteed (Float) -> X.TangentVector) // id: %9
}
///////////////////////////////////////////////////////////////////////
///////// Specialized generic closures - PartialApply Closure /////////
///////////////////////////////////////////////////////////////////////
// closure #1 in static Float._vjpMultiply(lhs:rhs:)
sil @$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbacktSf_SftFZSf_SftSfcfU_ : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// thunk for @escaping @callee_guaranteed (@unowned Float) -> (@unowned Float, @unowned Float)
sil [transparent] [reabstraction_thunk] @$sS3fIegydd_S3fIegnrr_TR : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
// function_ref specialized pullback of f<A>(a:)
sil [transparent] [thunk] @pullback_f_specialized : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// thunk for @escaping @callee_guaranteed (@in_guaranteed Float) -> (@out Float)
sil [transparent] [reabstraction_thunk] @$sS2fIegnr_S2fIegyd_TR : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
sil private [signature_optimized_thunk] [always_inline] @pullback_h : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float {
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> Float):
%2 = apply %1(%0) : $@callee_guaranteed (Float) -> Float
strong_release %1 : $@callee_guaranteed (Float) -> Float
return %2 : $Float
}
// reverse-mode derivative of h(x:)
sil hidden @$s5test21h1xS2f_tFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
bb0(%0 : $Float):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s5test21h1xS2f_tFTJrSpSr
// CHECK: PartialApply call site: %14 = partial_apply [callee_guaranteed] %13(%11) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
// CHECK: Passed in closures:
// CHECK: 1. %4 = partial_apply [callee_guaranteed] %3(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s10pullback_h073$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbackti1_j5FZSf_J6SfcfU_S2fTf1nc_n
// CHECK: sil private [signature_optimized_thunk] [always_inline] @$s10pullback_h073$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbackti1_j5FZSf_J6SfcfU_S2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float {
// CHECK: bb0(%0 : $Float, %1 : $Float, %2 : $Float):
// CHECK: %3 = function_ref @$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbacktSf_SftFZSf_SftSfcfU_ : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%1, %2) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %5 = function_ref @$sS3fIegydd_S3fIegnrr_TR : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%4) : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
// CHECK: %7 = convert_function %6 : $@callee_guaranteed (@in_guaranteed Float) -> (@out Float, @out Float) to $@callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>
// CHECK: %8 = function_ref @pullback_f_specialized : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// CHECK: %9 = partial_apply [callee_guaranteed] %8(%7) : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// CHECK: %10 = function_ref @$sS2fIegnr_S2fIegyd_TR : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %11 = partial_apply [callee_guaranteed] %10(%9) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %12 = apply %11(%0) : $@callee_guaranteed (Float) -> Float
// CHECK: strong_release %11 : $@callee_guaranteed (Float) -> Float // id: %13
// CHECK: return %12 : $Float
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s5test21h1xS2f_tFTJrSpSr
// CHECK:sil hidden @$s5test21h1xS2f_tFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
// CHECK:bb0(%0 : $Float):
// CHECK: %1 = struct_extract %0 : $Float, #Float._value
// CHECK: %2 = builtin "fmul_FPIEEE32"(%1 : $Builtin.FPIEEE32, %1 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// CHECK: %3 = function_ref @$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbacktSf_SftFZSf_SftSfcfU_ : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// CHECK: %5 = function_ref @$sS3fIegydd_S3fIegnrr_TR : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
// CHECK: %6 = partial_apply [callee_guaranteed] %5(%4) : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
// CHECK: %7 = convert_function %6 : $@callee_guaranteed (@in_guaranteed Float) -> (@out Float, @out Float) to $@callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>
// CHECK: %8 = function_ref @pullback_f_specialized : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// CHECK: %9 = partial_apply [callee_guaranteed] %8(%7) : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// CHECK: %10 = function_ref @$sS2fIegnr_S2fIegyd_TR : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %11 = partial_apply [callee_guaranteed] %10(%9) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %12 = struct $Float (%2 : $Builtin.FPIEEE32)
// CHECK: %14 = function_ref @$s10pullback_h073$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbackti1_j5FZSf_J6SfcfU_S2fTf1nc_n : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: %15 = partial_apply [callee_guaranteed] %14(%0, %0) : $@convention(thin) (Float, Float, Float) -> Float
// CHECK: release_value %4 : $@callee_guaranteed (Float) -> (Float, Float) // id: %16
// CHECK: %17 = tuple (%12 : $Float, %15 : $@callee_guaranteed (Float) -> Float)
// CHECK: return %17
%1 = struct_extract %0 : $Float, #Float._value
%2 = builtin "fmul_FPIEEE32"(%1 : $Builtin.FPIEEE32, %1 : $Builtin.FPIEEE32) : $Builtin.FPIEEE32
// function_ref closure #1 in static Float._vjpMultiply(lhs:rhs:)
%3 = function_ref @$sSf16_DifferentiationE12_vjpMultiply3lhs3rhsSf5value_Sf_SftSfc8pullbacktSf_SftFZSf_SftSfcfU_ : $@convention(thin) (Float, Float, Float) -> (Float, Float)
%4 = partial_apply [callee_guaranteed] %3(%0, %0) : $@convention(thin) (Float, Float, Float) -> (Float, Float)
// function_ref thunk for @escaping @callee_guaranteed (@unowned Float) -> (@unowned Float, @unowned Float)
%5 = function_ref @$sS3fIegydd_S3fIegnrr_TR : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
%6 = partial_apply [callee_guaranteed] %5(%4) : $@convention(thin) (@in_guaranteed Float, @guaranteed @callee_guaranteed (Float) -> (Float, Float)) -> (@out Float, @out Float)
%7 = convert_function %6 : $@callee_guaranteed (@in_guaranteed Float) -> (@out Float, @out Float) to $@callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>
// function_ref pullback_f_specialized
%8 = function_ref @pullback_f_specialized : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
%9 = partial_apply [callee_guaranteed] %8(%7) : $@convention(thin) (@in_guaranteed Float, @owned @callee_guaranteed @substituted <τ_0_0, τ_0_1, τ_0_2> (@in_guaranteed τ_0_0) -> (@out τ_0_1, @out τ_0_2) for <Float, Float, Float>) -> @out Float
// function_ref thunk for @escaping @callee_guaranteed (@in_guaranteed Float) -> (@out Float)
%10 = function_ref @$sS2fIegnr_S2fIegyd_TR : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
%11 = partial_apply [callee_guaranteed] %10(%9) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
%12 = struct $Float (%2 : $Builtin.FPIEEE32)
// function_ref pullback_h
%13 = function_ref @pullback_h : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
%14 = partial_apply [callee_guaranteed] %13(%11) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
%15 = tuple (%12 : $Float, %14 : $@callee_guaranteed (Float) -> Float)
return %15 : $(Float, @callee_guaranteed (Float) -> Float) // id: %16
}
//////////////////////////////////////////////////////////////////////////////
///////// Specialized generic closures - ThinToThickFunction closure /////////
//////////////////////////////////////////////////////////////////////////////
sil [transparent] [thunk] @pullback_y_specialized : $@convention(thin) (@in_guaranteed Float) -> @out Float
sil [transparent] [reabstraction_thunk] @reabstraction_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
sil private [signature_optimized_thunk] [always_inline] @pullback_z : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float {
bb0(%0 : $Float, %1 : $@callee_guaranteed (Float) -> Float):
%2 = apply %1(%0) : $@callee_guaranteed (Float) -> Float
strong_release %1 : $@callee_guaranteed (Float) -> Float
return %2 : $Float
}
sil hidden @$s5test21z1xS2f_tFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
bb0(%0 : $Float):
//=========== Test callsite and closure gathering logic ===========//
specify_test "closure_specialize_gather_call_sites"
// CHECK-LABEL: Specializing closures in function: $s5test21z1xS2f_tFTJrSpSr
// CHECK: PartialApply call site: %6 = partial_apply [callee_guaranteed] %5(%4) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
// CHECK: Passed in closures:
// CHECK: 1. %2 = thin_to_thick_function %1 : $@convention(thin) (@in_guaranteed Float) -> @out Float to $@callee_guaranteed (@in_guaranteed Float) -> @out Float
//=========== Test specialized function signature and body ===========//
specify_test "closure_specialize_specialized_function_signature_and_body"
// CHECK-LABEL: Generated specialized function: $s10pullback_z0A14_y_specializedTf1nc_n
// CHECK: sil private [signature_optimized_thunk] [always_inline] @$s10pullback_z0A14_y_specializedTf1nc_n : $@convention(thin) (Float) -> Float {
// CHECK: bb0(%0 : $Float):
// CHECK: %1 = function_ref @pullback_y_specialized : $@convention(thin) (@in_guaranteed Float) -> @out Float
// CHECK: %2 = thin_to_thick_function %1 : $@convention(thin) (@in_guaranteed Float) -> @out Float to $@callee_guaranteed (@in_guaranteed Float) -> @out Float
// CHECK: %3 = function_ref @reabstraction_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%2) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %5 = apply %4(%0) : $@callee_guaranteed (Float) -> Float
// CHECK: strong_release %4 : $@callee_guaranteed (Float) -> Float // id: %6
// CHECK: return %5 : $Float
//=========== Test rewritten body ===========//
specify_test "closure_specialize_rewritten_caller_body"
// CHECK-LABEL: Rewritten caller body for: $s5test21z1xS2f_tFTJrSpSr
// CHECK: sil hidden @$s5test21z1xS2f_tFTJrSpSr : $@convention(thin) (Float) -> (Float, @owned @callee_guaranteed (Float) -> Float) {
// CHECK: bb0(%0 : $Float):
// CHECK: %1 = function_ref @pullback_y_specialized : $@convention(thin) (@in_guaranteed Float) -> @out Float
// CHECK: %2 = thin_to_thick_function %1 : $@convention(thin) (@in_guaranteed Float) -> @out Float to $@callee_guaranteed (@in_guaranteed Float) -> @out Float
// CHECK: %3 = function_ref @reabstraction_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %4 = partial_apply [callee_guaranteed] %3(%2) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// CHECK: %6 = function_ref @$s10pullback_z0A14_y_specializedTf1nc_n : $@convention(thin) (Float) -> Float
// CHECK: %7 = partial_apply [callee_guaranteed] %6() : $@convention(thin) (Float) -> Float
// CHECK: release_value %2 : $@callee_guaranteed (@in_guaranteed Float) -> @out Float // id: %8
// CHECK: %9 = tuple (%0 : $Float, %7 : $@callee_guaranteed (Float) -> Float)
// CHECK: return %9
// function_ref pullback_y_specialized
%1 = function_ref @pullback_y_specialized : $@convention(thin) (@in_guaranteed Float) -> @out Float
%2 = thin_to_thick_function %1 : $@convention(thin) (@in_guaranteed Float) -> @out Float to $@callee_guaranteed (@in_guaranteed Float) -> @out Float
// function_ref reabstraction_thunk
%3 = function_ref @reabstraction_thunk : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
%4 = partial_apply [callee_guaranteed] %3(%2) : $@convention(thin) (Float, @guaranteed @callee_guaranteed (@in_guaranteed Float) -> @out Float) -> Float
// function_ref pullback_z
%5 = function_ref @pullback_z : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
%6 = partial_apply [callee_guaranteed] %5(%4) : $@convention(thin) (Float, @owned @callee_guaranteed (Float) -> Float) -> Float
%7 = tuple (%0 : $Float, %6 : $@callee_guaranteed (Float) -> Float)
return %7 : $(Float, @callee_guaranteed (Float) -> Float) // id: %8
}
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