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The intent for `@inline(always)` is to act as an optimization control. The user can rely on inlining to happen or the compiler will emit an error message. Because function values can be dynamic (closures, protocol/class lookup) this guarantee can only be upheld for direct function references. In cases where the optimizer can resolve dynamic function values the attribute shall be respected. rdar://148608854
23 lines
998 B
Swift
23 lines
998 B
Swift
// RUN: %target-swift-emit-module-interface(%t.swiftinterface) %s -module-name attrs \
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// RUN: -enable-experimental-feature InlineAlways \
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// RUN: -emit-private-module-interface-path %t.private.swiftinterface
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// RUN: %target-swift-typecheck-module-from-interface(%t.swiftinterface) -module-name attrs \
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// RUN: -enable-experimental-feature InlineAlways
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// RUN: %target-swift-typecheck-module-from-interface(%t.private.swiftinterface) -module-name attrs \
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// RUN: -enable-experimental-feature InlineAlways
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// RUN: %FileCheck %s --check-prefixes CHECK --input-file %t.swiftinterface
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// RUN: %FileCheck %s --check-prefixes CHECK --input-file %t.private.swiftinterface
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// REQUIRES: swift_feature_InlineAlways
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// CHECK: #if compiler(>=5.3) && $InlineAlways
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// CHECK: @inline(always) @inlinable public func inlineAlwaysFunc() {}
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// CHECK: #else
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// CHECK: @inline(__always) @inlinable public func inlineAlwaysFunc() {}
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// CHECK: #endif
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@inline(always)
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@inlinable
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public func inlineAlwaysFunc() {}
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