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455f3dcaee
There aren't sufficiently strong compiler checks that would prevent unavailable elements of clang enums from being instantiated at runtime, so don't consider any clang enum elements as unavailable during lowering. Since there aren't any symbols associated with clang enum elements, we don't have to worry about linker failures that might result from leaving references to them in SIL.
30 lines
1.7 KiB
Swift
30 lines
1.7 KiB
Swift
// RUN: %target-swift-emit-sil -module-name Test -parse-as-library %s -verify -unavailable-decl-optimization=none -Onone -enable-objc-interop -disable-objc-attr-requires-foundation-module -import-objc-header %S/Inputs/switch_enum_objc.h | %FileCheck %s
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// RUN: %target-swift-emit-sil -module-name Test -parse-as-library %s -verify -unavailable-decl-optimization=complete -Onone -enable-objc-interop -disable-objc-attr-requires-foundation-module -import-objc-header %S/Inputs/switch_enum_objc.h | %FileCheck %s
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// CHECK-LABEL: sil @$s4Test30testFullyCoveredSwitchOpenEnumyySo9DimensionVF : $@convention(thin) (Dimension) -> () {
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// CHECK: switch_enum %0 : $Dimension, case #Dimension.x!enumelt: [[XBB:bb[0-9]+]], case #Dimension.z!enumelt: [[ZBB:bb[0-9]+]], case #Dimension.y!enumelt: [[YBB:bb[0-9]+]], default [[DEFAULTBB:bb[0-9]+]]
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// CHECK: [[ZBB]]:
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// CHECK-NOT: unreachable
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// CHECK: [[YBB]]:
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// CHECK: } // end sil function '$s4Test30testFullyCoveredSwitchOpenEnumyySo9DimensionVF'
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public func testFullyCoveredSwitchOpenEnum(_ e: Dimension) {
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switch e {
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case .x: ()
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case .z: ()
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case .y: ()
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}
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}
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// CHECK-LABEL: sil @$s4Test32testFullyCoveredSwitchClosedEnumyySo10UnfairCoinVF : $@convention(thin) (UnfairCoin) -> () {
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// CHECK: switch_enum %0 : $UnfairCoin, case #UnfairCoin.heads!enumelt: [[HEADSBB:bb[0-9]+]], case #UnfairCoin.tails!enumelt: [[TAILSBB:bb[0-9]+]], default [[DEFAULTBB:bb[0-9]+]]
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// CHECK: [[TAILSBB]]:
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// CHECK-NOT: unreachable
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// CHECK: [[DEFAULTBB]]:
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// CHECK: } // end sil function '$s4Test32testFullyCoveredSwitchClosedEnumyySo10UnfairCoinVF'
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public func testFullyCoveredSwitchClosedEnum(_ e: UnfairCoin) {
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switch e {
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case .heads: ()
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case .tails: ()
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}
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}
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