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60 lines
2.3 KiB
Plaintext
60 lines
2.3 KiB
Plaintext
// RUN: %target-swift-frontend %s -emit-ir -enforce-exclusivity=checked | %FileCheck --check-prefix=CHECK --check-prefix=CHECK-%target-cpu %s
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sil_stage canonical
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import Swift
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class A {
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@sil_stored final var x: Int { get set }
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init(x: Int)
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}
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sil_vtable A {}
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sil public_external @changeInt : $@convention(thin) (@inout Int) -> ()
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// CHECK-LABEL: define {{.*}} @test1(
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sil @test1 : $@convention(thin) (@owned A) -> Int {
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bb0(%0 : $A):
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// CHECK: [[SCRATCH0:%.*]] = alloca [[BUFFER_T:\[.* x i8\]]],
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// CHECK: [[SCRATCH1:%.*]] = alloca [[BUFFER_T:\[.* x i8\]]],
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// CHECK: [[PROP:%.*]] = getelementptr inbounds [[C:%T11exclusivity1AC]], %T11exclusivity1AC* %0, i32 0, i32 1
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%3 = ref_element_addr %0 : $A, #A.x
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// CHECK: [[T0:%.*]] = bitcast [[BUFFER_T]]* [[SCRATCH0]] to i8*
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// CHECK: call void @llvm.lifetime.start(i64 -1, i8* [[T0]])
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// CHECK: [[T0:%.*]] = bitcast [[INT:%TSi]]* [[PROP]] to i8*
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// CHECK: call void @swift_beginAccess(i8* [[T0]], [[BUFFER_T]]* [[SCRATCH0]], [[SIZE_T:i32|i64]] 0)
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%4 = begin_access [read] [dynamic] %3 : $*Int
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[INT]], [[INT]]* %1, i32 0, i32 0
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// CHECK: load {{.*}}* [[T0]]
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%5 = load [trivial] %4 : $*Int
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// CHECK: call void @swift_endAccess([[BUFFER_T]]* [[SCRATCH0]])
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// CHECK: [[T0:%.*]] = bitcast [[BUFFER_T]]* [[SCRATCH0]] to i8*
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// CHECK: call void @llvm.lifetime.end(i64 -1, i8* [[T0]])
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end_access %4 : $*Int
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%9 = function_ref @changeInt : $@convention(thin) (@inout Int) -> ()
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// CHECK: [[PROP:%.*]] = getelementptr inbounds [[C:%T11exclusivity1AC]], %T11exclusivity1AC* %0, i32 0, i32 1
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%11 = ref_element_addr %0 : $A, #A.x
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// CHECK: [[T0:%.*]] = bitcast [[BUFFER_T]]* [[SCRATCH1]] to i8*
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// CHECK: call void @llvm.lifetime.start(i64 -1, i8* [[T0]])
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// CHECK: [[T0:%.*]] = bitcast [[INT:%TSi]]* [[PROP]] to i8*
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// CHECK: call void @swift_beginAccess(i8* [[T0]], [[BUFFER_T]]* [[SCRATCH1]], [[SIZE_T]] 1)
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%12 = begin_access [modify] [dynamic] %11 : $*Int
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// CHECK: call {{.*}} @changeInt([[INT]]*{{.*}} [[PROP]])
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%13 = apply %9(%12) : $@convention(thin) (@inout Int) -> ()
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// CHECK: call void @swift_endAccess([[BUFFER_T]]* [[SCRATCH1]])
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// CHECK: [[T0:%.*]] = bitcast [[BUFFER_T]]* [[SCRATCH1]] to i8*
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// CHECK: call void @llvm.lifetime.end(i64 -1, i8* [[T0]])
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end_access %12 : $*Int
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destroy_value %0 : $A
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return %5 : $Int
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}
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