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Seems to work, ship it. Swift SVN r28793
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // RUN: %target-swift-frontend -emit-sil -verify %s | FileCheck %s | ||
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| func rethrower(fn: () throws -> Int) rethrows -> Int { | ||
| return try fn() | ||
| } | ||
| func thrower() throws -> Int { return 0 } | ||
| func nonthrower() -> Int { return 0 } | ||
|
|
||
| // CHECK-LABEL: sil hidden @_TF8rethrows5test0FzT_T_ : $@convention(thin) () -> @error ErrorType { | ||
| // CHECK: [[RETHROWER:%.*]] = function_ref @_TF8rethrows9rethrowerFzFzT_SiSi : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType) | ||
| // CHECK: [[THROWER:%.*]] = function_ref @_TF8rethrows7throwerFzT_Si : $@convention(thin) () -> (Int, @error ErrorType) | ||
| // CHECK: [[T0:%.*]] = thin_to_thick_function [[THROWER]] | ||
| // CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType), normal [[NORMAL:bb1]], error [[ERROR:bb2]] | ||
| // CHECK: [[NORMAL]]([[T0:%.*]] : $Int): | ||
| // CHECK-NEXT: [[T1:%.*]] = tuple () | ||
| // CHECK-NEXT: return [[T1]] | ||
| // CHECK: [[ERROR]]([[T0:%.*]] : $ErrorType): | ||
| // CHECK-NEXT: throw [[T0]] | ||
| func test0() throws { | ||
| try rethrower(thrower) | ||
| } | ||
|
|
||
| // CHECK-LABEL: sil hidden @_TF8rethrows5test1FzT_T_ : $@convention(thin) () -> @error ErrorType { | ||
| // CHECK: [[RETHROWER:%.*]] = function_ref @_TF8rethrows9rethrowerFzFzT_SiSi : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType) | ||
| // CHECK: [[CLOSURE:%.*]] = function_ref @_TFF8rethrows5test1FzT_T_U_FzT_Si : $@convention(thin) () -> (Int, @error ErrorType) | ||
| // CHECK: [[T0:%.*]] = thin_to_thick_function [[CLOSURE]] | ||
| // CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType), normal [[NORMAL:bb1]], error [[ERROR:bb2]] | ||
| // CHECK: [[NORMAL]]([[T0:%.*]] : $Int): | ||
| // CHECK-NEXT: [[T1:%.*]] = tuple () | ||
| // CHECK-NEXT: return [[T1]] | ||
| // CHECK: [[ERROR]]([[T0:%.*]] : $ErrorType): | ||
| // CHECK-NEXT: throw [[T0]] | ||
| // Closure. | ||
| // CHECK-LABEL: sil shared @_TFF8rethrows5test1FzT_T_U_FzT_Si : $@convention(thin) () -> (Int, @error ErrorType) { | ||
| // CHECK: [[RETHROWER:%.*]] = function_ref @_TF8rethrows9rethrowerFzFzT_SiSi : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType) | ||
| // CHECK: [[THROWER:%.*]] = function_ref @_TF8rethrows7throwerFzT_Si : $@convention(thin) () -> (Int, @error ErrorType) | ||
| // CHECK: [[T0:%.*]] = thin_to_thick_function [[THROWER]] | ||
| // CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType), normal [[NORMAL:bb1]], error [[ERROR:bb2]] | ||
| // CHECK: [[NORMAL]]([[T0:%.*]] : $Int): | ||
| // CHECK-NEXT: return [[T0]] | ||
| // CHECK: [[ERROR]]([[T0:%.*]] : $ErrorType): | ||
| // CHECK-NEXT: throw [[T0]] | ||
| func test1() throws { | ||
| try rethrower { try rethrower(thrower) } | ||
| } | ||
|
|
||
| // CHECK-LABEL: sil hidden @_TF8rethrows5test2FT_T_ : $@convention(thin) () -> () { | ||
| // CHECK: [[RETHROWER:%.*]] = function_ref @_TF8rethrows9rethrowerFzFzT_SiSi : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType) | ||
| // CHECK: [[NONTHROWER:%.*]] = function_ref @_TF8rethrows10nonthrowerFT_Si : $@convention(thin) () -> Int | ||
| // CHECK: [[T0:%.*]] = thin_to_thick_function [[NONTHROWER]] | ||
| // CHECK: [[T1:%.*]] = convert_function [[T0]] : $@callee_owned () -> Int to $@callee_owned () -> (Int, @error ErrorType) | ||
| // CHECK: try_apply [[RETHROWER]]([[T1]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType), normal [[NORMAL:bb1]], error [[ERROR:bb2]] | ||
| // CHECK: [[NORMAL]]([[T0:%.*]] : $Int): | ||
| // CHECK-NEXT: [[T1:%.*]] = tuple () | ||
| // CHECK-NEXT: return [[T1]] | ||
| // CHECK: [[ERROR]]([[T0:%.*]] : $ErrorType): | ||
| // CHECK-NEXT: unreachable | ||
| func test2() { | ||
| rethrower(nonthrower) | ||
| } | ||
|
|
||
| // CHECK-LABEL: sil hidden @_TF8rethrows5test3FT_T_ : $@convention(thin) () -> () { | ||
| // CHECK: [[RETHROWER:%.*]] = function_ref @_TF8rethrows9rethrowerFzFzT_SiSi : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType) | ||
| // CHECK: [[CLOSURE:%.*]] = function_ref @_TFF8rethrows5test3FT_T_U_FT_Si : $@convention(thin) () -> Int | ||
| // CHECK: [[T0:%.*]] = thin_to_thick_function [[NONTHROWER]] | ||
| // CHECK: [[T1:%.*]] = convert_function [[T0]] : $@callee_owned () -> Int to $@callee_owned () -> (Int, @error ErrorType) | ||
| // CHECK: try_apply [[RETHROWER]]([[T1]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error ErrorType)) -> (Int, @error ErrorType), normal [[NORMAL:bb1]], error [[ERROR:bb2]] | ||
| // CHECK: [[NORMAL]]([[T0:%.*]] : $Int): | ||
| // CHECK-NEXT: [[T1:%.*]] = tuple () | ||
| // CHECK-NEXT: return [[T1]] | ||
| // CHECK: [[ERROR]]([[T0:%.*]] : $ErrorType): | ||
| // CHECK-NEXT: unreachable | ||
| func test3() { | ||
| rethrower { rethrower(nonthrower) } | ||
| } |