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e5d87f75a8
It is necessary for opaque values where for casts that will newly start out as checked_cast_brs and be lowered to checked_cast_addr_brs, since the latter has the source formal type, IRGen relies on being able to access it, and there's no way in general to obtain the source formal type from the source lowered type.
59 lines
2.0 KiB
Plaintext
59 lines
2.0 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -specdevirt -code-sinking | %FileCheck %s
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// RUN: %target-sil-opt -enable-sil-verify-all %s -specdevirt -code-sinking -wmo | %FileCheck --check-prefix=CHECK-WMO %s
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sil_stage canonical
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import Builtin
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import Swift
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// Make sure we convert a class_method into a diamond control flow
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// where one of the sides is a direct call to FOO::ping.
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class Foo {
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func ping()
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}
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class Bar : Foo {
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}
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sil @_TFC8testcase3Foo4pingfS0_FT_T_ : $@convention(method) (@guaranteed Foo) -> () {
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bb0(%0 : $Foo):
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%2 = tuple () // user: %3
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return %2 : $() // id: %3
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}
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sil @_TFC8testcase3FoocfMS0_FT_S0_ : $@convention(method) (@owned Foo) -> @owned Foo {
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bb0(%0 : $Foo):
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return %0 : $Foo // id: %1
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}
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//CHECK-LABEL: @_TF8testcase7my_mainFCS_3FooT_
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//CHECK: checked_cast_br [exact] Foo in %0 : $Foo to Foo
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//CHECK: return
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//CHECK: checked_cast_br [exact] Foo in %0 : $Foo to Bar
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//CHECK: class_method
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//CHECK-WMO-LABEL: @_TF8testcase7my_mainFCS_3FooT_
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//CHECK-WMO: checked_cast_br [exact] Foo in %0 : $Foo to Foo
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//CHECK-WMO: return
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//CHECK-WMO: unchecked_ref_cast %0 : $Foo to $Bar
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//CHECK-WMO: class_method
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sil @_TF8testcase7my_mainFCS_3FooT_ : $@convention(thin) (@owned Foo) -> () {
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bb0(%0 : $Foo):
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%1 = class_method %0 : $Foo, #Foo.ping : (Foo) -> () -> () , $@convention(method) (@guaranteed Foo) -> () // user: %2
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%2 = apply %1(%0) : $@convention(method) (@guaranteed Foo) -> ()
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%3 = tuple () // user: %4
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return %3 : $() // id: %4
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}
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sil_vtable Foo {
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#Foo.ping: @_TFC8testcase3Foo4pingfS0_FT_T_ // testcase.Foo.ping (testcase.Foo)() -> ()
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#Foo.init!initializer: @_TFC8testcase3FoocfMS0_FT_S0_ // testcase.Foo.init (testcase.Foo.Type)() -> testcase.Foo
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}
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sil_vtable Bar {
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#Foo.ping: @_TFC8testcase3Foo4pingfS0_FT_T_ [inherited]
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#Foo.init!initializer: @_TFC8testcase3FoocfMS0_FT_S0_ [inherited]
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}
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