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37 lines
1.8 KiB
Swift
37 lines
1.8 KiB
Swift
// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -parse-as-library -emit-ir %s | %FileCheck %s
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// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -parse-as-library -O -emit-ir %s | %FileCheck --check-prefix=OPT-CHECK %s
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// Test that runtime functions are invoked using the new calling convention.
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// Test that wrappers are used to invoked them.
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// TODO: Once the PreserveRegistersCC calling convention is enabled, check that it is really used.
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public class C {
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}
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// CHECK-LABEL: define {{(protected )?}}swiftcc void @_T027runtime_calling_conventions3fooyAA1CCF(%T27runtime_calling_conventions1CC*)
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// Check that runtime functions use a proper calling convention.
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// CHECK: call void {{.*}} @swift_rt_swift_release
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// OPT-CHECK-LABEL: define {{(protected )?}}swiftcc void @_T027runtime_calling_conventions3fooyAA1CCF(%T27runtime_calling_conventions1CC*)
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// Check that runtime functions use a proper calling convention.
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// OPT-CHECK: tail call void @swift_rt_swift_release
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public func foo(_ c: C) {
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}
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// Check that wrappers were generated, have a proper calling convention, linkage
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// and linkonce_odr flags.
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// CHECK: define linkonce_odr hidden void @swift_rt_swift_release(%swift.refcounted*) #[[ATTR_REF:[0-9]+]]
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// CHECK: load void (%swift.refcounted*)*, void (%swift.refcounted*)** @_swift_release
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// CHECK-NEXT: tail call void %load(%swift.refcounted* %0)
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// CHECK-NEXT: ret void
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// CHECK: attributes #[[ATTR_REF]] = { noinline nounwind }
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// OPT-CHECK: define linkonce_odr hidden void @swift_rt_swift_release(%swift.refcounted*) local_unnamed_addr #[[ATTR_REF:[0-9]+]]
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// OPT-CHECK: load void (%swift.refcounted*)*, void (%swift.refcounted*)** @_swift_release
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// OPT-CHECK-NEXT: tail call void %load(%swift.refcounted* %0)
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// OPT-CHECK-NEXT: ret void
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// OPT-CHECK: attributes #[[ATTR_REF]] = { noinline nounwind }
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