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71de3d90e0
If an apply uses an existential archetype (`@opened("...")`) and the concrete type is known, replace the existential archetype with the concrete type
1. in the apply's substitution map
2. in the arguments, e.g. by inserting address casts
For example:
```
%5 = apply %1<@opend("...")>(%2) : <τ_0_0> (τ_0_0) -> ()
```
->
```
%4 = unchecked_addr_cast %2 to $*ConcreteType
%5 = apply %1<ConcreteType>(%4) : <τ_0_0> (τ_0_0) -> ()
```
120 lines
4.8 KiB
Plaintext
120 lines
4.8 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -onone-simplification -simplify-instruction=try_apply | %FileCheck %s -check-prefix=CHECK -check-prefix=CHECKONONE
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// RUN: %target-sil-opt -enable-sil-verify-all %s -simplification -simplify-instruction=try_apply | %FileCheck %s -check-prefix=CHECK -check-prefix=CHECKO
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// REQUIRES: swift_in_compiler
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sil_stage canonical
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import Builtin
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import Swift
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import SwiftShims
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class Bar {
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init()
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func foo() throws -> Int
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}
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protocol P {}
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struct S: P {
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var x: Int
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}
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struct GenS<T> {
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var x: Int
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}
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struct GenError<T>: Error {
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var x: Int
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}
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// CHECK-LABEL: sil @devirt_class_method :
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// CHECK: [[F:%.*]] = function_ref @bar_foo
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// CHECK: try_apply [[F]]
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// CHECK: } // end sil function 'devirt_class_method'
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sil @devirt_class_method : $@convention(thin) () -> (Int, @error any Error) {
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bb0:
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%0 = alloc_ref $Bar
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%1 = class_method %0 : $Bar, #Bar.foo : (Bar) -> () throws -> Int, $@convention(method) (@guaranteed Bar) -> (Int, @error any Error)
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try_apply %1(%0) : $@convention(method) (@guaranteed Bar) -> (Int, @error any Error), normal bb1, error bb2
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bb1(%3 : $Int):
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strong_release %0 : $Bar
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return %3 : $Int
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bb2(%6 : $Error):
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strong_release %0 : $Bar
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throw %6 : $Error
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}
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sil @bar_foo : $@convention(method) (@guaranteed Bar) -> (Int, @error any Error)
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sil_vtable Bar {
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#Bar.foo: @bar_foo
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}
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sil @createit : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (@out τ_0_0, @error any Error)
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sil @returnGenS : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (GenS<τ_0_0>, @error any Error)
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sil @throwGenError : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> ((), @error GenError<τ_0_0>)
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// CHECK-LABEL: sil [ossa] @replace_archetype :
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// CHECKO: [[E:%.*]] = init_existential_addr %0
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// CHECKO-DAG: [[C:%.*]] = unchecked_addr_cast [[E]] to $*S
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// CHECKO-DAG: [[M:%.*]] = metatype $@thick S.Type
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// CHECKO: try_apply %{{[0-9]+}}<S>([[C]], [[M]])
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// CHECKONONE: apply %{{[0-9]+}}<@opened
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// CHECK: } // end sil function 'replace_archetype'
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sil [ossa] @replace_archetype : $@convention(thin) () -> (@out any P, @error any Error) {
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bb0(%0 : $*any P):
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%1 = metatype $@thick S.Type
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%2 = init_existential_metatype %1, $@thick any P.Type
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%4 = open_existential_metatype %2 to $@thick (@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self).Type
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%6 = function_ref @createit : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (@out τ_0_0, @error any Error)
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%7 = init_existential_addr %0, $@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self
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try_apply %6<@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self>(%7, %4) : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (@out τ_0_0, @error any Error), normal bb1, error bb2
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bb1(%8 : $()):
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return %8 : $()
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bb2(%10 : $Error):
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throw %10 : $Error
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}
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// CHECK-LABEL: sil [ossa] @dont_replace_returned_embedded_archetype :
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// CHECK: try_apply %{{[0-9]+}}<@opened
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// CHECK: } // end sil function 'dont_replace_returned_embedded_archetype'
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sil [ossa] @dont_replace_returned_embedded_archetype : $@convention(thin) () -> ((), @error any Error) {
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bb0:
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%1 = metatype $@thick S.Type
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%2 = init_existential_metatype %1, $@thick any P.Type
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%4 = open_existential_metatype %2 to $@thick (@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self).Type
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%6 = function_ref @returnGenS : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (GenS<τ_0_0>, @error any Error)
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try_apply %6<@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self>(%4) : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> (GenS<τ_0_0>, @error any Error), normal bb1, error bb2
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bb1(%8 : $GenS<@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self>):
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%9 = tuple ()
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return %9 : $()
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bb2(%10 : $Error):
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throw %10 : $Error
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}
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// CHECK-LABEL: sil [ossa] @dont_replace_thrown_embedded_archetype :
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// CHECK: try_apply %{{[0-9]+}}<@opened
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// CHECK: } // end sil function 'dont_replace_thrown_embedded_archetype'
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sil [ossa] @dont_replace_thrown_embedded_archetype : $@convention(thin) () -> ((), @error any Error) {
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bb0:
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%1 = metatype $@thick S.Type
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%2 = init_existential_metatype %1, $@thick any P.Type
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%4 = open_existential_metatype %2 to $@thick (@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self).Type
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%6 = function_ref @throwGenError : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> ((), @error GenError<τ_0_0>)
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try_apply %6<@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self>(%4) : $@convention(thin) <τ_0_0 where τ_0_0 : P> (@thick τ_0_0.Type) -> ((), @error GenError<τ_0_0>), normal bb1, error bb2
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bb1(%8 : $()):
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return %8 : $()
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bb2(%10 : $GenError<@opened("0FC03D78-E9DB-11EF-B47C-0EA13E3AABB3", any P) Self>):
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unreachable
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}
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