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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
136 lines
3.8 KiB
Plaintext
136 lines
3.8 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -inline -devirtualizer | %FileCheck %s
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sil_stage canonical
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import Builtin
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import Swift
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class Hash {
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func update()
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func hash()
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}
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class MD5 : Hash {
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override init()
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override func hash()
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}
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sil @_TFC4test3MD5cfMS0_FT_S0_ : $@convention(method) (@owned MD5) -> @owned MD5 {
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bb0(%0 : $MD5):
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release_value %0 : $MD5
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return %0 : $MD5
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}
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sil @_TFC4test3MD54hashfS0_FT3MsgVs5UInt8_T_ : $@convention(method) (@guaranteed MD5) -> ()
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sil @_TFC4test4Hash4hashfS0_FT3MsgVs5UInt8_T_ : $@convention(method) (@guaranteed Hash) -> ()
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sil @_TFC9hash2_new4Hash6updatefS0_FT3MsgVs5UInt83CntSi_T_ : $@convention(method) (@guaranteed Hash) -> ()
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// CHECK-LABEL: @_TF4test8testHashFT_T_
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sil @_TF4test8testHashFT_T_ : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_ref $MD5
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%1 = function_ref @_TFC4test3MD5cfMS0_FT_S0_ : $@convention(method) (@owned MD5) -> @owned MD5
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%2 = apply %1(%0) : $@convention(method) (@owned MD5) -> @owned MD5
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strong_retain %2 : $MD5
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%69 = upcast %2 : $MD5 to $Hash
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strong_retain %69 : $Hash
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// CHECK: function_ref @_TFC4test3MD54hashfS0_FT3MsgVs5UInt8_T_ : $@convention(method) (@guaranteed MD5) -> ()
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// CHECK: apply {{%[0-9]+}}({{%[0-9]+}}) : $@convention(method) (@guaranteed MD5) -> ()
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%134 = class_method %69 : $Hash, #Hash.hash!1 : (Hash) -> () -> (), $@convention(method) (@guaranteed Hash) -> ()
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%135 = apply %134(%69) : $@convention(method) (@guaranteed Hash) -> ()
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strong_release %2 : $MD5
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%17 = tuple ()
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return %17 : $()
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}
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// CHECK-LABEL: @test_unchecked_ref
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sil @test_unchecked_ref : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_ref $MD5
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%11 = upcast %0 : $MD5 to $Hash
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%21 = unchecked_ref_cast %11 : $Hash to $MD5
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%61 = upcast %21 : $MD5 to $Hash
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// CHECK: function_ref @_TFC9hash2_new4Hash6updatefS0_FT3MsgVs5UInt83CntSi_T_ : $@convention(method) (@guaranteed Hash) -> ()
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// CHECK: apply {{%[0-9]+}}({{%[0-9]+}}) : $@convention(method) (@guaranteed Hash) -> ()
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%62 = class_method %61 : $Hash, #Hash.update!1 : (Hash) -> () -> (), $@convention(method) (@guaranteed Hash) -> ()
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%135 = apply %62(%61) : $@convention(method) (@guaranteed Hash) -> ()
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%17 = tuple ()
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// CHECK: return
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return %17 : $()
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}
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sil_vtable Hash {
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#Hash.update!1: @_TFC9hash2_new4Hash6updatefS0_FT3MsgVs5UInt83CntSi_T_
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#Hash.hash!1: @_TFC4test4Hash4hashfS0_FT3MsgVs5UInt8_T_
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}
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sil_vtable MD5 {
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// vtable should be keyed with the least-derived method, otherwise
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// devirtualizer will choose the wrong function ref.
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#Hash.hash!1: @_TFC4test3MD54hashfS0_FT3MsgVs5UInt8_T_
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#MD5.init!initializer.1: @_TFC4test3MD5cfMS0_FT_S0_
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#Hash.update!1: @_TFC9hash2_new4Hash6updatefS0_FT3MsgVs5UInt83CntSi_T_
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}
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class C {
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func doIt()
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}
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class D : C {
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override func doIt()
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}
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class E : D {
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override func doIt()
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}
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// CHECK-LABEL: sil @_TFC1b1C4doItfS0_FT_T_
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sil @_TFC1b1C4doItfS0_FT_T_ : $@convention(method) (@guaranteed C) -> () {
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bb0(%0 : $C):
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%2 = tuple ()
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return %2 : $()
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}
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// CHECK-LABEL: sil @_TFC1b1D4doItfS0_FT_T_
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sil @_TFC1b1D4doItfS0_FT_T_ : $@convention(method) (@guaranteed D) -> () {
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bb0(%0 : $D):
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%2 = tuple ()
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return %2 : $()
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}
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// CHECK-LABEL: sil @_TFC1b1E4doItfS0_FT_T_
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sil @_TFC1b1E4doItfS0_FT_T_ : $@convention(method) (@guaranteed E) -> () {
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bb0(%0 : $E):
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%2 = tuple ()
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return %2 : $()
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}
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// CHECK-LABEL: sil @_TF1b3fooFT_T_
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sil @_TF1b3fooFT_T_ : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_ref $E
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%1 = upcast %0 : $E to $C
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%2 = unconditional_checked_cast %1 : $C to $D
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%3 = class_method %2 : $D, #D.doIt!1 : (D) -> () -> (), $@convention(method) (@guaranteed D) -> ()
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%4 = apply %3(%2) : $@convention(method) (@guaranteed D) -> ()
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%5 = tuple ()
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// CHECK: return
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return %5 : $()
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}
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sil_vtable C {
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#C.doIt!1: @_TFC1b1C4doItfS0_FT_T_
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}
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sil_vtable D {
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#C.doIt!1: @_TFC1b1D4doItfS0_FT_T_
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}
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sil_vtable E {
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#C.doIt!1: @_TFC1b1E4doItfS0_FT_T_
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}
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