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Generic specialization already takes care of removing metatype arguments of generic functions. But sometimes non-generic functions have metatype arguments which must be removed. We need handle this case with a function signature optimization. This enables, for example, to use `OptionSet` in embedded swift. rdar://121206953
30 lines
771 B
Swift
30 lines
771 B
Swift
// RUN: %target-swift-frontend -target armv7-apple-none-macho -Xcc -D__MACH__ -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
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// RUN: %target-swift-frontend -target arm64-apple-none-macho -Xcc -D__MACH__ -Xcc -D__arm64__ -Xcc -D__APPLE__ -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
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// REQUIRES: swift_in_compiler
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// REQUIRES: optimized_stdlib
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// REQUIRES: CODEGENERATOR=ARM
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protocol MyOptionSet: Equatable {
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init(rawValue: Int)
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init()
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}
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extension MyOptionSet {
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var isEmpty: Bool {
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return self == Self()
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}
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init() {
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self.init(rawValue: 0)
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}
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}
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struct ShippingOptions: MyOptionSet {
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let rawValue: Int
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}
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var s = ShippingOptions(rawValue: 42)
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print(s.isEmpty)
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// CHECK: define {{.*}}i32 @main(i32 %0, ptr %1)
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