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0971d82f70
- Fix block to func reabstraction thunks block argument handling - Forward cast ownership - Fix applyPartiallyAppliedSuperMethod ownership for @callee_guaranteed closures - Avoid a copy in buildBlockToFuncThunkBody - Update tests for callee_guaranteed closures SR-5441 rdar://33255593
20 lines
1012 B
Swift
20 lines
1012 B
Swift
// RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s
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struct A {
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func g<U>(_ recur: (A, U) -> U) -> (A, U) -> U {
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return { _, x in return x }
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}
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// CHECK-LABEL: sil hidden @_T024call_chain_reabstraction1AV1f{{[_0-9a-zA-Z]*}}F
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// CHECK: [[G:%.*]] = function_ref @_T024call_chain_reabstraction1AV1g{{[_0-9a-zA-Z]*}}F
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// CHECK: [[G2:%.*]] = apply [[G]]<A>
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// CHECK: [[REABSTRACT_THUNK:%.*]] = function_ref @_T024call_chain_reabstraction1AVA2CIegyir_A3CIegyyd_TR
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// CHECK: [[REABSTRACT:%.*]] = partial_apply [callee_guaranteed] [[REABSTRACT_THUNK]]([[G2]])
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// CHECK: [[BORROW:%.*]] = begin_borrow [[REABSTRACT]]
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// CHECK: apply [[BORROW]]([[SELF:%.*]], [[SELF]])
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// CHECK: destroy_value [[REABSTRACT]]
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func f() {
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let recur: (A, A) -> A = { c, x in x }
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let b = g(recur)(self, self)
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}
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}
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