mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
59 lines
3.1 KiB
Swift
59 lines
3.1 KiB
Swift
// RUN: %target-swift-frontend -primary-file %s -emit-ir | FileCheck %s
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// REQUIRES: CPU=x86_64
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// -- partial_apply context metadata
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// CHECK: [[METADATA:@.*]] = private constant %swift.full_boxmetadata { void (%swift.refcounted*)* [[DESTROY:@objectdestroy.1]], i8** null, %swift.type { i64 64 }, i32 16 }
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func a(i i: Int) -> (Int) -> Int {
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return { x in i }
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}
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// -- Closure entry point
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// CHECK: define linkonce_odr hidden i64 @_TFF7closure1aFT1iSi_FSiSiU_FSiSi(i64, i64)
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protocol Ordinable {
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func ord() -> Int
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}
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func b<T : Ordinable>(seq seq: T) -> (Int) -> Int {
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return { i in i + seq.ord() }
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}
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// -- partial_apply stub
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// CHECK: define internal i64 @_TPA__TFF7closure1aFT1iSi_FSiSiU_FSiSi(i64, %swift.refcounted*)
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// CHECK: }
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// -- Closure entry point
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// CHECK: define linkonce_odr hidden i64 @[[CLOSURE2:_TFF7closure1buRxS_9OrdinablerFT3seqx_FSiSiU_FSiSi]](i64, %swift.refcounted*, %swift.type* %T, i8** %T.Ordinable) {{.*}} {
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// -- partial_apply stub
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// CHECK: define internal i64 @_TPA_[[CLOSURE2]](i64, %swift.refcounted*) {{.*}} {
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// CHECK: entry:
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// CHECK: [[CONTEXT:%.*]] = bitcast %swift.refcounted* %1 to <{ %swift.refcounted, [16 x i8], %swift.refcounted* }>*
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// CHECK: [[BINDINGSADDR:%.*]] = getelementptr inbounds <{ %swift.refcounted, [16 x i8], %swift.refcounted* }>, <{ %swift.refcounted, [16 x i8], %swift.refcounted* }>* [[CONTEXT]], i32 0, i32 1
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// CHECK: [[TYPEADDR:%.*]] = bitcast [16 x i8]* [[BINDINGSADDR]]
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// CHECK: [[TYPE:%.*]] = load %swift.type*, %swift.type** [[TYPEADDR]], align 8
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// CHECK: [[WITNESSADDR_0:%.*]] = getelementptr inbounds %swift.type*, %swift.type** [[TYPEADDR]], i32 1
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// CHECK: [[WITNESSADDR:%.*]] = bitcast %swift.type** [[WITNESSADDR_0]]
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// CHECK: [[WITNESS:%.*]] = load i8**, i8*** [[WITNESSADDR]], align 8
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// CHECK: [[BOXADDR:%.*]] = getelementptr inbounds <{ %swift.refcounted, [16 x i8], %swift.refcounted* }>, <{ %swift.refcounted, [16 x i8], %swift.refcounted* }>* [[CONTEXT]], i32 0, i32 2
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// CHECK: [[BOX:%.*]] = load %swift.refcounted*, %swift.refcounted** [[BOXADDR]], align 8
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// CHECK: call void @rt_swift_retain(%swift.refcounted* [[BOX]])
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// CHECK: call void @rt_swift_release(%swift.refcounted* %1)
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// CHECK: [[RES:%.*]] = tail call i64 @[[CLOSURE2]](i64 %0, %swift.refcounted* [[BOX]], %swift.type* [[TYPE]], i8** [[WITNESS]])
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// CHECK: ret i64 [[RES]]
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// CHECK: }
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// -- <rdar://problem/14443343> Boxing of tuples with generic elements
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// CHECK: define hidden { i8*, %swift.refcounted* } @_TF7closure14captures_tupleu0_rFT1xTxq___FT_Txq__(%swift.opaque* noalias nocapture, %swift.opaque* noalias nocapture, %swift.type* %T, %swift.type* %U)
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func captures_tuple<T, U>(x x: (T, U)) -> () -> (T, U) {
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// CHECK: [[METADATA:%.*]] = call %swift.type* @swift_getTupleTypeMetadata2(%swift.type* %T, %swift.type* %U, i8* null, i8** null)
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// CHECK-NOT: @swift_getTupleTypeMetadata2
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// CHECK: [[BOX:%.*]] = call { %swift.refcounted*, %swift.opaque* } @swift_allocBox(%swift.type* [[METADATA]])
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// CHECK: [[ADDR:%.*]] = extractvalue { %swift.refcounted*, %swift.opaque* } [[BOX]], 1
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// CHECK: bitcast %swift.opaque* [[ADDR]] to <{}>*
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return {x}
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}
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