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94ce4c2ac3
Otherwise, we don't want them to be linkonce_odr at the LLVM level to avoid unnecessary link-time overhead.
77 lines
4.7 KiB
Swift
77 lines
4.7 KiB
Swift
// RUN: %target-swift-frontend -emit-sil -verify %s | %FileCheck %s
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@discardableResult
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func rethrower(_ fn: () throws -> Int) rethrows -> Int {
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return try fn()
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}
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func thrower() throws -> Int { return 0 }
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func nonthrower() -> Int { return 0 }
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// CHECK-LABEL: sil hidden @_T08rethrows5test0yyKF : $@convention(thin) () -> @error Error {
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// CHECK: [[RETHROWER:%.*]] = function_ref @_T08rethrows9rethrowerS2iyKcKF : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error)
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// CHECK: [[THROWER:%.*]] = function_ref @_T08rethrows7throwerSiyKF : $@convention(thin) () -> (Int, @error Error)
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// CHECK: [[T0:%.*]] = thin_to_thick_function [[THROWER]]
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// CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error), normal [[NORMAL:bb1]], error [[ERROR:bb2]]
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// CHECK: [[NORMAL]]([[T0:%.*]] : $Int):
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// CHECK-NEXT: [[T1:%.*]] = tuple ()
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// CHECK-NEXT: return [[T1]]
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// CHECK: [[ERROR]]([[T0:%.*]] : $Error):
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// CHECK-NEXT: throw [[T0]]
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func test0() throws {
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try rethrower(thrower)
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}
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// CHECK-LABEL: sil hidden @_T08rethrows5test1yyKF : $@convention(thin) () -> @error Error {
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// CHECK: [[RETHROWER:%.*]] = function_ref @_T08rethrows9rethrowerS2iyKcKF : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error)
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// CHECK: [[CLOSURE:%.*]] = function_ref @_T08rethrows5test1yyKFSiyKcfU_ : $@convention(thin) () -> (Int, @error Error)
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// CHECK: [[T0:%.*]] = thin_to_thick_function [[CLOSURE]]
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// CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error), normal [[NORMAL:bb1]], error [[ERROR:bb2]]
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// CHECK: [[NORMAL]]([[T0:%.*]] : $Int):
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// CHECK-NEXT: [[T1:%.*]] = tuple ()
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// CHECK-NEXT: return [[T1]]
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// CHECK: [[ERROR]]([[T0:%.*]] : $Error):
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// CHECK-NEXT: throw [[T0]]
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// Closure.
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// CHECK-LABEL: sil private @_T08rethrows5test1yyKFSiyKcfU_ : $@convention(thin) () -> (Int, @error Error) {
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// CHECK: [[RETHROWER:%.*]] = function_ref @_T08rethrows9rethrowerS2iyKcKF : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error)
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// CHECK: [[THROWER:%.*]] = function_ref @_T08rethrows7throwerSiyKF : $@convention(thin) () -> (Int, @error Error)
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// CHECK: [[T0:%.*]] = thin_to_thick_function [[THROWER]]
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// CHECK: try_apply [[RETHROWER]]([[T0]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error), normal [[NORMAL:bb1]], error [[ERROR:bb2]]
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// CHECK: [[NORMAL]]([[T0:%.*]] : $Int):
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// CHECK-NEXT: return [[T0]]
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// CHECK: [[ERROR]]([[T0:%.*]] : $Error):
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// CHECK-NEXT: throw [[T0]]
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func test1() throws {
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try rethrower { try rethrower(thrower) }
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}
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// CHECK-LABEL: sil hidden @_T08rethrows5test2yyF : $@convention(thin) () -> () {
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// CHECK: [[RETHROWER:%.*]] = function_ref @_T08rethrows9rethrowerS2iyKcKF : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error)
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// CHECK: [[NONTHROWER:%.*]] = function_ref @_T08rethrows10nonthrowerSiyF : $@convention(thin) () -> Int
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// CHECK: [[T0:%.*]] = thin_to_thick_function [[NONTHROWER]]
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// CHECK: [[T1:%.*]] = convert_function [[T0]] : $@callee_owned () -> Int to $@callee_owned () -> (Int, @error Error)
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// CHECK: try_apply [[RETHROWER]]([[T1]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error), normal [[NORMAL:bb1]], error [[ERROR:bb2]]
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// CHECK: [[NORMAL]]([[T0:%.*]] : $Int):
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// CHECK-NEXT: [[T1:%.*]] = tuple ()
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// CHECK-NEXT: return [[T1]]
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// CHECK: [[ERROR]]([[T0:%.*]] : $Error):
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// CHECK-NEXT: unreachable
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func test2() {
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rethrower(nonthrower)
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}
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// CHECK-LABEL: sil hidden @_T08rethrows5test3yyF : $@convention(thin) () -> () {
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// CHECK: [[RETHROWER:%.*]] = function_ref @_T08rethrows9rethrowerS2iyKcKF : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error)
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// CHECK: [[CLOSURE:%.*]] = function_ref @_T08rethrows5test3yyFSiycfU_ : $@convention(thin) () -> Int
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// CHECK: [[T0:%.*]] = thin_to_thick_function [[NONTHROWER]]
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// CHECK: [[T1:%.*]] = convert_function [[T0]] : $@callee_owned () -> Int to $@callee_owned () -> (Int, @error Error)
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// CHECK: try_apply [[RETHROWER]]([[T1]]) : $@convention(thin) (@owned @callee_owned () -> (Int, @error Error)) -> (Int, @error Error), normal [[NORMAL:bb1]], error [[ERROR:bb2]]
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// CHECK: [[NORMAL]]([[T0:%.*]] : $Int):
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// CHECK-NEXT: [[T1:%.*]] = tuple ()
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// CHECK-NEXT: return [[T1]]
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// CHECK: [[ERROR]]([[T0:%.*]] : $Error):
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// CHECK-NEXT: unreachable
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func test3() {
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rethrower { rethrower(nonthrower) }
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}
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