| // RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all -generic-specializer -sil-partial-specialization -sil-partial-specialization-with-generic-substitutions %s | %FileCheck %s |
| |
| // Test different cases of partial specialization. |
| // In particular, test the correctness of partial specializaitons where substitutions may be generic. |
| |
| sil_stage canonical |
| |
| import Builtin |
| import Swift |
| import SwiftShims |
| |
| @_silgen_name("use") |
| public func use<T>(_ t: T) |
| |
| public protocol P { |
| } |
| |
| public struct S<T> { |
| @inline(never) public init(_ t: T) |
| } |
| |
| @inline(never) public func simple_generic_callee<U, V>(_ u: U, _ v: V) |
| |
| public func simple_generic_caller1<U>(_ u: U) |
| |
| public func simple_generic_caller2<U>(_ u: U) |
| |
| // use |
| sil @use : $@convention(thin) <τ_0_0> (@in τ_0_0) -> () |
| |
| // S.init(_:) |
| sil [noinline] @$S22partial_specialization1SVyACyxGxcfC : $@convention(method) <T> (@in T, @thin S<T>.Type) -> S<T> |
| |
| // simple_generic_callee<A, B>(_:_:) |
| sil [noinline] @simple_generic_callee : $@convention(thin) <U, V> (@in U, @in V) -> () { |
| bb0(%0 : $*U, %1 : $*V): |
| // function_ref use |
| %4 = function_ref @use : $@convention(thin) <τ_0_0> (@in τ_0_0) -> () |
| %5 = alloc_stack $U |
| copy_addr %0 to [initialization] %5 : $*U |
| %7 = apply %4<U>(%5) : $@convention(thin) <τ_0_0> (@in τ_0_0) -> () |
| dealloc_stack %5 : $*U |
| // function_ref use |
| %9 = function_ref @use : $@convention(thin) <τ_0_0> (@in τ_0_0) -> () |
| %10 = alloc_stack $V |
| copy_addr %1 to [initialization] %10 : $*V |
| %12 = apply %9<V>(%10) : $@convention(thin) <τ_0_0> (@in τ_0_0) -> () |
| dealloc_stack %10 : $*V |
| destroy_addr %1 : $*V |
| destroy_addr %0 : $*U |
| %16 = tuple () |
| return %16 : $() |
| } // end sil function 'simple_generic_callee' |
| |
| // simple_generic_caller1<A>(_:) |
| sil @simple_generic_caller1 : $@convention(thin) <U> (@in U) -> () { |
| bb0(%0 : $*U): |
| // function_ref simple_generic_callee<A, B>(_:_:) |
| %2 = function_ref @simple_generic_callee : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| %3 = alloc_stack $U |
| copy_addr %0 to [initialization] %3 : $*U |
| %5 = integer_literal $Builtin.Int32, 1 |
| %6 = struct $Int32 (%5 : $Builtin.Int32) |
| %7 = alloc_stack $Int32 |
| store %6 to %7 : $*Int32 |
| %9 = apply %2<U, Int32>(%3, %7) : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| dealloc_stack %7 : $*Int32 |
| dealloc_stack %3 : $*U |
| destroy_addr %0 : $*U |
| %13 = tuple () |
| return %13 : $() |
| } // end sil function 'simple_generic_caller1' |
| |
| // simple_generic_caller2<A>(_:) |
| sil @simple_generic_caller2 : $@convention(thin) <U> (@in U) -> () { |
| bb0(%0 : $*U): |
| // function_ref simple_generic_callee<A, B>(_:_:) |
| %2 = function_ref @simple_generic_callee : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| // function_ref S.init(_:) |
| %3 = function_ref @$S22partial_specialization1SVyACyxGxcfC : $@convention(method) <τ_0_0> (@in τ_0_0, @thin S<τ_0_0>.Type) -> S<τ_0_0> |
| %4 = metatype $@thin S<U>.Type |
| %5 = alloc_stack $U |
| copy_addr %0 to [initialization] %5 : $*U |
| %7 = apply %3<U>(%5, %4) : $@convention(method) <τ_0_0> (@in τ_0_0, @thin S<τ_0_0>.Type) -> S<τ_0_0> |
| dealloc_stack %5 : $*U |
| %9 = alloc_stack $S<U> |
| store %7 to %9 : $*S<U> |
| %11 = integer_literal $Builtin.Int32, 1 |
| %12 = struct $Int32 (%11 : $Builtin.Int32) |
| %13 = alloc_stack $Int32 |
| store %12 to %13 : $*Int32 |
| %15 = apply %2<S<U>, Int32>(%9, %13) : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| dealloc_stack %13 : $*Int32 |
| dealloc_stack %9 : $*S<U> |
| destroy_addr %0 : $*U |
| %19 = tuple () |
| return %19 : $() |
| } // end sil function 'simple_generic_caller2' |
| |
| // Check that a partial specialization for simple_generic_callee<U, Int32> was created. |
| // CHECK-LABEL: sil shared [noinline] @$S21simple_generic_calleexs5Int32Vq_RszACRs0_r1_lIetiy_Tp5 : $@convention(thin) <τ_0_0, τ_0_1, τ_0_2 where τ_0_0 == τ_0_1, τ_0_2 == Int32> (@in τ_0_0, Int32) -> () |
| |
| |
| // Check that a partial specialization for simple_generic_callee<S<U>, Int32> was created. |
| // CHECK-LABEL: sil shared [noinline] @$S21simple_generic_callee4main1SVyxGs5Int32VAERs_AGRs0_r1_lIetyy_Tp5 : $@convention(thin) <τ_0_0, τ_0_1, τ_0_2 where τ_0_1 == S<τ_0_0>, τ_0_2 == Int32> (S<τ_0_0>, Int32) -> () |
| |
| // Check that no partial specializations are produced if all substitutions in the substitution list |
| // are archetypes. |
| // CHECK-LABEL: sil @simple_generic_caller3 : $@convention(thin) <U> (@in U) -> () |
| // CHECK-NOT: specialized |
| // CHECK: function_ref @simple_generic_callee : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| // CHECK-NOT: specialized |
| // CHECK: // end sil function 'simple_generic_caller3' |
| // simple_generic_caller3<A>(_:) |
| sil @simple_generic_caller3 : $@convention(thin) <U> (@in U) -> () { |
| bb0(%0 : $*U): |
| // function_ref simple_generic_callee<A, B>(_:_:) |
| %2 = function_ref @simple_generic_callee : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| %3 = alloc_stack $U |
| copy_addr %0 to [initialization] %3 : $*U |
| %5 = apply %2<U, U>(%3, %0) : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| dealloc_stack %3 : $*U |
| %7 = tuple () |
| return %7 : $() |
| } // end sil function 'simple_generic_caller3' |
| |
| // Check that partial specialization is not peformed for generic type parameters where |
| // the substitution contains an open existential. |
| // CHECK-LABEL: sil @simple_generic_caller4 : $@convention(thin) (@in P, Builtin.Int1) -> () |
| // CHECK: function_ref @$S21simple_generic_calleexBi1_Bi1_Rs_r0_lIetiy_Tp5 : $@convention(thin) <τ_0_0, τ_0_1 where τ_0_1 == Builtin.Int1> (@in τ_0_0, Builtin.Int1) -> () |
| // CHECK: // end sil function 'simple_generic_caller4' |
| sil @simple_generic_caller4 : $@convention(thin) (@in P, Builtin.Int1) -> () { |
| bb0(%0 : $*P, %1: $Builtin.Int1): |
| cond_br %1, bb1, bb2 |
| bb1: |
| %2 = open_existential_addr mutable_access %0 : $*P to $*@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P |
| %3 = alloc_stack $@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P |
| copy_addr [take] %2 to [initialization] %3 : $*@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P |
| %5 = alloc_stack $Builtin.Int1 |
| store %1 to %5 : $*Builtin.Int1 |
| // function_ref simple_generic_callee<A, B>(_:_:) |
| %7 = function_ref @simple_generic_callee : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| %8 = apply %7<@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P, Builtin.Int1>(%3, %5) : $@convention(thin) <τ_0_0, τ_0_1> (@in τ_0_0, @in τ_0_1) -> () |
| dealloc_stack %5 : $*Builtin.Int1 |
| destroy_addr %3 : $*@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P |
| dealloc_stack %3 : $*@opened("1B6851A6-4796-11E6-B7DF-B8E856428C60") P |
| br bb3 |
| bb2: |
| destroy_addr %0 : $*P |
| br bb3 |
| bb3: |
| %13 = tuple () |
| return %13 : $() |
| } // end sil function 'simple_generic_caller4' |