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79b3d2d626
It's already guarded by a feature flag, but it would be nice to signal users that it's not stable yet by adding an underscore prefix.
25 lines
795 B
Swift
25 lines
795 B
Swift
// RUN: %target-swift-frontend -emit-ir -enable-experimental-feature Extern %s | %FileCheck %s
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func test() {
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// CHECK: call void @explicit_extern_c()
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explicit_extern_c()
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// CHECK: call void @implicit_extern_c()
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implicit_extern_c()
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// CHECK: [[DEFAULT_ARG:%[0-9]+]] = call swiftcc i32 @"$s8extern_c17default_arg_valueyys5Int32VFfA_"()
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// CHECK: call void @default_arg_value(i32 [[DEFAULT_ARG]])
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default_arg_value()
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// CHECK: call void @default_arg_value(i32 24)
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default_arg_value(24)
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}
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test()
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// CHECK: declare void @explicit_extern_c()
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@_extern(c, "explicit_extern_c") func explicit_extern_c()
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// CHECK: declare void @implicit_extern_c()
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@_extern(c) func implicit_extern_c()
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// CHECK: declare void @default_arg_value(i32)
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@_extern(c) func default_arg_value(_: Int32 = 42)
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