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61 lines
3.2 KiB
Swift
61 lines
3.2 KiB
Swift
// RUN: %target-swift-emit-sil -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 -verify
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// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s | %FileCheck %s
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// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 | %FileCheck %s
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// REQUIRES: OS=macosx
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// -- Fallback definition of throwingFunc()
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// CHECK-LABEL: sil non_abi [serialized] [ossa] @$s11back_deploy12throwingFuncyyKFTwB : $@convention(thin) () -> @error any Error
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// CHECK: bb0:
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// CHECK: [[RESULT:%.*]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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// -- Back deployment thunk for throwingFunc()
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// CHECK-LABEL: sil non_abi [serialized] [thunk] [ossa] @$s11back_deploy12throwingFuncyyKFTwb : $@convention(thin) () -> @error any Error
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// CHECK: bb0:
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// CHECK: [[MAJOR:%.*]] = integer_literal $Builtin.Word, 10
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// CHECK: [[MINOR:%.*]] = integer_literal $Builtin.Word, 52
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// CHECK: [[PATCH:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK: [[OSVFN:%.*]] = function_ref @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
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// CHECK: [[AVAIL:%.*]] = apply [[OSVFN]]([[MAJOR]], [[MINOR]], [[PATCH]]) : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
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// CHECK: cond_br [[AVAIL]], [[AVAIL_BB:bb[0-9]+]], [[UNAVAIL_BB:bb[0-9]+]]
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//
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// CHECK: [[UNAVAIL_BB]]:
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// CHECK: [[FALLBACKFN:%.*]] = function_ref @$s11back_deploy12throwingFuncyyKFTwB : $@convention(thin) () -> @error any Error
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// CHECK: try_apply [[FALLBACKFN]]() : $@convention(thin) () -> @error any Error, normal [[UNAVAIL_NORMAL_BB:bb[0-9]+]], error [[UNAVAIL_ERROR_BB:bb[0-9]+]]
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//
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// CHECK: [[UNAVAIL_ERROR_BB]]([[ARG:%.*]] : @owned $any Error):
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// CHECK: br [[RETHROW_BB:bb[0-9]+]]([[ARG]] : $any Error)
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//
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// CHECK: [[UNAVAIL_NORMAL_BB]]([[ARG:%.*]] : $()):
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// CHECK: br [[RETURN_BB:bb[0-9]+]]
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//
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// CHECK: [[AVAIL_BB]]:
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// CHECK: [[ORIGFN:%.*]] = function_ref @$s11back_deploy12throwingFuncyyKF : $@convention(thin) () -> @error any Error
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// CHECK: try_apply [[ORIGFN]]() : $@convention(thin) () -> @error any Error, normal [[AVAIL_NORMAL_BB:bb[0-9]+]], error [[AVAIL_ERROR_BB:bb[0-9]+]]
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//
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// CHECK: [[AVAIL_ERROR_BB]]([[ARG:%.*]] : @owned $any Error):
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// CHECK: br [[RETHROW_BB]]([[ARG]] : $any Error)
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//
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// CHECK: [[AVAIL_NORMAL_BB]]([[ARG:%.*]] : $()):
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// CHECK: br [[RETURN_BB]]
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//
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// CHECK: [[RETURN_BB]]
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// CHECK: [[RESULT:%.*]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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//
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// CHECK: [[RETHROW_BB]]([[RETHROW_BB_ARG:%.*]] : @owned $any Error)
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// CHECK: throw [[RETHROW_BB_ARG]] : $any Error
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// -- Original definition of throwingFunc()
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// CHECK-LABEL: sil [available 10.52] [ossa] @$s11back_deploy12throwingFuncyyKF : $@convention(thin) () -> @error any Error
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@backDeployed(before: macOS 10.52)
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public func throwingFunc() throws {}
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// CHECK-LABEL: sil hidden [ossa] @$s11back_deploy6calleryyKF : $@convention(thin) () -> @error any Error
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func caller() throws {
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// -- Verify the thunk is called
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// CHECK: {{%.*}} = function_ref @$s11back_deploy12throwingFuncyyKFTwb : $@convention(thin) () -> @error any Error
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try throwingFunc()
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}
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