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87 lines
3.1 KiB
Plaintext
87 lines
3.1 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -onone-simplification -simplify-instruction=unchecked_enum_data | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ONONE
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// RUN: %target-sil-opt -enable-sil-verify-all %s -simplification -simplify-instruction=unchecked_enum_data | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-O
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// REQUIRES: swift_in_compiler
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import Swift
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import Builtin
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enum E {
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case A(String)
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case B(String)
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}
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// CHECK-LABEL: sil @forward_enum_data
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// CHECK: return %0
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// CHECK: } // end sil function 'forward_enum_data'
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sil @forward_enum_data : $@convention(thin) (@owned String) -> @owned String {
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bb0(%0 : $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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%2 = unchecked_enum_data %1 : $E, #E.B!enumelt
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return %2 : $String
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}
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// CHECK-LABEL: sil @wrong_case
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// CHECK: %1 = enum
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// CHECK: %2 = unchecked_enum_data %1
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// CHECK: return %2
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// CHECK: } // end sil function 'wrong_case'
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sil @wrong_case : $@convention(thin) (@owned String) -> @owned String {
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bb0(%0 : $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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// Strictly speaking this is illegal SIL.
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%2 = unchecked_enum_data %1 : $E, #E.A!enumelt
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return %2 : $String
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}
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// CHECK-LABEL: sil [ossa] @forward_borrowed_enum_data
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// CHECK: %1 = copy_value %0
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// CHECK: return %1
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// CHECK: } // end sil function 'forward_borrowed_enum_data'
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sil [ossa] @forward_borrowed_enum_data : $@convention(thin) (@guaranteed String) -> @owned String {
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bb0(%0 : @guaranteed $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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%2 = unchecked_enum_data %1 : $E, #E.B!enumelt
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%3 = copy_value %2 : $String
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return %3 : $String
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}
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// CHECK-LABEL: sil [ossa] @forward_owned_enum_data :
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// CHECK: return %0
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// CHECK: } // end sil function 'forward_owned_enum_data'
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sil [ossa] @forward_owned_enum_data : $@convention(thin) (@owned String) -> @owned String {
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bb0(%0 : @owned $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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%2 = unchecked_enum_data %1 : $E, #E.B!enumelt
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return %2 : $String
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}
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// CHECK-LABEL: sil [ossa] @dont_forward_owned_enum_data_with_uses :
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// CHECK: %1 = enum
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// CHECK: %4 = unchecked_enum_data %1
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// CHECK: return %4
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// CHECK: } // end sil function 'dont_forward_owned_enum_data_with_uses'
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sil [ossa] @dont_forward_owned_enum_data_with_uses : $@convention(thin) (@owned String) -> @owned String {
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bb0(%0 : @owned $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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%2 = begin_borrow %1 : $E
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end_borrow %2 : $E
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%4 = unchecked_enum_data %1 : $E, #E.B!enumelt
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return %4 : $String
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}
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// CHECK-LABEL: sil [ossa] @forward_owned_enum_data_with_debug_use
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// CHECK-ONONE: %1 = enum
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// CHECK-ONONE: %3 = unchecked_enum_data %1
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// CHECK-ONONE: return %3
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// CHECK-O: return %0
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// CHECK: } // end sil function 'forward_owned_enum_data_with_debug_use'
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sil [ossa] @forward_owned_enum_data_with_debug_use : $@convention(thin) (@owned String) -> @owned String {
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bb0(%0 : @owned $String):
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%1 = enum $E, #E.B!enumelt, %0 : $String
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debug_value %1 : $E, let, name "e"
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%3 = unchecked_enum_data %1 : $E, #E.B!enumelt
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return %3 : $String
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}
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