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The SDK build version is a decent heuristic for expected changes in the SDK. Any change in SDK, to clang headers in particular, can break references from cached swiftmodules. Track the SDK build version as part of the swiftmodule cache hash. This will ensure we rebuild from swiftinterfaces on SDK updates. rdar://122655978
72 lines
2.4 KiB
Swift
72 lines
2.4 KiB
Swift
/// ProductBuildVersion of the SDK is tracked as part of the module cache hash.
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// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/ModuleCache)
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// RUN: %empty-directory(%t/sdk/System/Library/CoreServices/)
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// RUN: split-file %s %t
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/// Setup an "old" SDK.
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// RUN: cp %t/SystemVersion.plist.old %t/sdk/System/Library/CoreServices/SystemVersion.plist
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/// Build Lib against the old SDK.
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// RUN: %target-swift-frontend -emit-module -sdk %t/sdk %t/Lib.swift \
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// RUN: -enable-library-evolution -swift-version 5 \
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// RUN: -emit-module-path %t/Lib.swiftmodule \
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// RUN: -emit-module-interface-path %t/Lib.swiftinterface
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/// Baseline check, we should read the adjacent swiftmodule.
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// RUN: %target-swift-frontend -typecheck -verify -sdk %t/sdk -I %t \
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// RUN: %t/Client_NoRebuild.swift \
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// RUN: -Rmodule-interface-rebuild -module-cache-path %t/ModuleCache
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/// Keep only the swiftinterface.
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// RUN: rm %t/Lib.swiftmodule
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/// Build client, which should trigger a build from swiftinterface.
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// RUN: %target-swift-frontend -typecheck -verify -sdk %t/sdk -I %t \
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// RUN: %t/Client.swift \
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// RUN: -Rmodule-interface-rebuild -module-cache-path %t/ModuleCache
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/// Update SDK.
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// RUN: cp %t/SystemVersion.plist.new %t/sdk/System/Library/CoreServices/SystemVersion.plist
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/// Build client, which should trigger a build from swiftinterface.
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// RUN: %target-swift-frontend -typecheck -verify -sdk %t/sdk -I %t \
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// RUN: %t/Client.swift \
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// RUN: -Rmodule-interface-rebuild -module-cache-path %t/ModuleCache
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/// Baseline check, we should reused the newly cached swiftmodule.
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// RUN: %target-swift-frontend -typecheck -verify -sdk %t/sdk -I %t \
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// RUN: %t/Client_NoRebuild.swift \
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// RUN: -Rmodule-interface-rebuild -module-cache-path %t/ModuleCache
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//--- SystemVersion.plist.old
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>ProductBuildVersion</key>
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<string>10A100</string>
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</dict>
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</plist>
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//--- SystemVersion.plist.new
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>ProductBuildVersion</key>
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<string>10A200</string>
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</dict>
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</plist>
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//--- Lib.swift
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public func foo() {}
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//--- Client.swift
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import Lib // expected-remark {{rebuilding module 'Lib' from interface}}
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//--- Client_NoRebuild.swift
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import Lib
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