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// RUN: %target-sil-opt -enable-sil-verify-all %s -jumpthread-simplify-cfg | %FileCheck %s
import Builtin
import Swift
import SwiftShims
enum E {
case A
case B
case C
}
enum GenE<T> {
case A
case B
case C(T)
}
sil @external_f : $@convention(thin) () -> ()
// CHECK-LABEL: sil @test_switch_enum
sil @test_switch_enum : $@convention(thin) (E) -> Int32 {
bb0(%0 : $E):
// CHECK: switch_enum %0 : $E, case #E.A!enumelt: bb1, case #E.B!enumelt: bb2, case #E.C!enumelt: bb3
switch_enum %0 : $E, case #E.A!enumelt: bb1, case #E.B!enumelt: bb2, default bb3
bb1:
%2 = integer_literal $Builtin.Int32, 10
br bb4(%2 : $Builtin.Int32)
bb2:
%21 = function_ref @external_f : $@convention(thin) () -> ()
%22 = apply %21() : $@convention(thin) () -> ()
%23 = integer_literal $Builtin.Int32, 20
br bb4(%23 : $Builtin.Int32)
bb3:
%6 = integer_literal $Builtin.Int32, 30
br bb4(%6 : $Builtin.Int32)
bb4(%8 : $Builtin.Int32):
%9 = struct $Int32 (%8 : $Builtin.Int32)
return %9 : $Int32
}
// CHECK-LABEL: sil @test_switch_enum_addr
sil @test_switch_enum_addr : $@convention(thin) <T> (@in GenE<T>) -> Int32 {
bb0(%0 : $*GenE<T>):
%1 = alloc_stack $GenE<T>
copy_addr %0 to [init] %1 : $*GenE<T>
// CHECK: switch_enum_addr %1 : $*GenE<T>, case #GenE.A!enumelt: bb1, case #GenE.B!enumelt: bb2, case #GenE.C!enumelt: bb3
switch_enum_addr %1 : $*GenE<T>, case #GenE.A!enumelt: bb1, case #GenE.B!enumelt: bb2, default bb3
bb1:
%4 = integer_literal $Builtin.Int32, 10
br bb4(%4 : $Builtin.Int32)
bb2:
%6 = integer_literal $Builtin.Int32, 20
br bb4(%6 : $Builtin.Int32)
bb3:
destroy_addr %1 : $*GenE<T>
%9 = integer_literal $Builtin.Int32, 30
br bb4(%9 : $Builtin.Int32)
bb4(%11 : $Builtin.Int32):
%12 = struct $Int32 (%11 : $Builtin.Int32)
dealloc_stack %1 : $*GenE<T>
destroy_addr %0 : $*GenE<T>
return %12 : $Int32
}
// CHECK-LABEL: sil @test_no_replace
sil @test_no_replace : $@convention(thin) (@inout E) -> Int32 {
bb0(%0 : $*E):
%1 = load %0 : $*E
// CHECK: switch_enum %1 : $E, case #E.A!enumelt: bb1, default bb2
switch_enum %1 : $E, case #E.A!enumelt: bb1, default bb2
bb1:
%3 = integer_literal $Builtin.Int32, 10
br bb3(%3 : $Builtin.Int32)
bb2:
%21 = function_ref @external_f : $@convention(thin) () -> ()
%22 = apply %21() : $@convention(thin) () -> ()
%5 = integer_literal $Builtin.Int32, 30
br bb3(%5 : $Builtin.Int32)
bb3(%7 : $Builtin.Int32):
%8 = struct $Int32 (%7 : $Builtin.Int32)
return %8 : $Int32
}
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