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86 lines
4.4 KiB
Swift
86 lines
4.4 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 trivialFunc()
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// CHECK-LABEL: sil non_abi [serialized] [ossa] @$s11back_deploy11trivialFuncyyFTwB : $@convention(thin) () -> ()
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// CHECK: bb0:
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// CHECK: [[RESULT:%.*]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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// -- Back deployment thunk for trivialFunc()
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// CHECK-LABEL: sil non_abi [serialized] [thunk] [ossa] @$s11back_deploy11trivialFuncyyFTwb : $@convention(thin) () -> ()
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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_deploy11trivialFuncyyFTwB : $@convention(thin) () -> ()
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// CHECK: {{%.*}} = apply [[FALLBACKFN]]() : $@convention(thin) () -> ()
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// CHECK: br [[RETURN_BB:bb[0-9]+]]
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//
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// CHECK: [[AVAIL_BB]]:
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// CHECK: [[ORIGFN:%.*]] = function_ref @$s11back_deploy11trivialFuncyyF : $@convention(thin) () -> ()
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// CHECK: {{%.*}} = apply [[ORIGFN]]() : $@convention(thin) () -> ()
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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]] : $()
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// -- Original definition of trivialFunc()
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// CHECK-LABEL: sil [available 10.52] [ossa] @$s11back_deploy11trivialFuncyyF : $@convention(thin) () -> ()
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@backDeployed(before: macOS 10.52)
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public func trivialFunc() {}
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// -- Fallback definition of isNumber(_:)
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// CHECK-LABEL: sil non_abi [serialized] [ossa] @$s11back_deploy8isNumberySbSiFTwB : $@convention(thin) (Int) -> Bool
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// CHECK: bb0([[ARG_X:%.*]] : $Int):
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// ...
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// CHECK: return {{%.*}} : $Bool
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// -- Back deployment thunk for isNumber(_:)
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// CHECK-LABEL: sil non_abi [serialized] [thunk] [ossa] @$s11back_deploy8isNumberySbSiFTwb : $@convention(thin) (Int) -> Bool
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// CHECK: bb0([[ARG_X:%.*]] : $Int):
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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_deploy8isNumberySbSiFTwB : $@convention(thin) (Int) -> Bool
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// CHECK: [[RESULT:%.*]] = apply [[FALLBACKFN]]([[ARG_X]]) : $@convention(thin) (Int) -> Bool
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// CHECK: br [[RETURN_BB:bb[0-9]+]]([[RESULT]] : $Bool)
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//
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// CHECK: [[AVAIL_BB]]:
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// CHECK: [[ORIGFN:%.*]] = function_ref @$s11back_deploy8isNumberySbSiF : $@convention(thin) (Int) -> Bool
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// CHECK: [[RESULT:%.*]] = apply [[ORIGFN]]([[ARG_X]]) : $@convention(thin) (Int) -> Bool
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// CHECK: br [[RETURN_BB]]([[RESULT]] : $Bool)
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//
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// CHECK: [[RETURN_BB]]([[RETURN_BB_ARG:%.*]] : $Bool)
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// CHECK: return [[RETURN_BB_ARG]] : $Bool
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// -- Original definition of isNumber(_:)
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// CHECK-LABEL: sil [available 10.52] [ossa] @$s11back_deploy8isNumberySbSiF : $@convention(thin) (Int) -> Bool
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@backDeployed(before: macOS 10.52)
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public func isNumber(_ x: Int) -> Bool {
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return true
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}
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// CHECK-LABEL: sil hidden [ossa] @$s11back_deploy6calleryyF : $@convention(thin) () -> ()
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func caller() {
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// -- Verify the thunk is called
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// CHECK: {{%.*}} = function_ref @$s11back_deploy11trivialFuncyyFTwb : $@convention(thin) () -> ()
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trivialFunc()
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// CHECK: {{%.*}} = function_ref @$s11back_deploy8isNumberySbSiFTwb : $@convention(thin) (Int) -> Bool
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_ = isNumber(6)
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}
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