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4174e2136f
Before this patch every Swift function would contain a top-level DW_TAG_lexical_scope that didn't provide any useful information, used extra space in the debug info and prevented local variables from showing up in virtual async backtraces.
47 lines
1.8 KiB
Swift
47 lines
1.8 KiB
Swift
// RUN: %target-swift-frontend -primary-file %s -Onone -emit-sil -Xllvm \
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// RUN: -sil-print-after=raw-sil-inst-lowering -Xllvm \
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// RUN: -sil-print-functions=$s3del1MC4fromAcA12WithDelegate_p_tKcfc \
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// RUN: -Xllvm -sil-print-debuginfo -o /dev/null -module-name del 2>&1 | %FileCheck %s
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// Unsupported on Windows due to SR-14267
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// UNSUPPORTED: OS=windows-msvc
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public protocol DelegateA {}
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public protocol DelegateB {}
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public protocol WithDelegate
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{
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var delegate: DelegateA? { get }
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func f() throws -> Int
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}
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public enum Err: Swift.Error {
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case s(Int)
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}
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public class C {}
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public class M {
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let field: C
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var value : Int
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public init(from d: WithDelegate) throws {
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guard let delegate = d.delegate as? DelegateB
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else { throw Err.s(0) }
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self.field = C()
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let i: Int = try d.f()
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value = i
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}
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}
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// Make sure the expanded sequence gets the right scope.
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// CHECK-LABEL: sil [ossa] @$s3del1MC4fromAcA12WithDelegate_p_tKcfc : $@convention(method) (@in WithDelegate, @owned M) -> (@owned M, @error Error)
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// CHECK: [[I:%.*]] = integer_literal $Builtin.Int2, 1, loc {{.*}}:23:12, scope 2
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// CHECK: [[V:%.*]] = load [trivial] %2 : $*Builtin.Int2, loc {{.*}}:23:12, scope 2
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// CHECK: [[OR:%.*]] = builtin "or_Int2"([[V]] : $Builtin.Int2, [[I]] : $Builtin.Int2) : $Builtin.Int2, loc {{.*}}:23:12, scope 2
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// CHECK: store [[OR]] to [trivial] %2 : $*Builtin.Int2, loc {{.*}}:23:12, scope 2
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// CHECK: store %{{.*}} to [init] %{{.*}} : $*C, loc {{.*}}:26:20, scope 2
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// Make sure the dealloc_stack gets the same scope of the instructions surrounding it.
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// CHECK: destroy_addr %0 : $*WithDelegate, loc {{.*}}:29:5, scope 2
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// CHECK: dealloc_stack %2 : $*Builtin.Int2, loc {{.*}}:23:12, scope 2
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// CHECK: throw %{{.*}} : $Error, loc {{.*}}:23:12, scope 1
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