mirror of
https://github.com/apple/swift.git
synced 2026-10-30 22:15:52 +01:00
Yuta Saito
b5162b1804
Serialize/deserialize wasm import module/name for SIL serialization so inlined decls keep their import names. Otherwise, inlining a function with `@_extern(wasm)` would lose the import name and cause IRGen to emit an import from the default module "env". Related links: https://github.com/swiftwasm/JavaScriptKit/pull/631 https://github.com/swiftwasm/JavaScriptKit/pull/628 Resolves https://github.com/swiftlang/swift/issues/87320
37 lines
1.7 KiB
Swift
37 lines
1.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %target-swift-frontend -emit-sib -emit-module-path %t/Lib.swiftmodule \
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// RUN: -module-name Lib -target wasm32-unknown-wasip1 \
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// RUN: -enable-experimental-feature Extern -parse-stdlib %t/Lib.swift -o %t/Lib.sib
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// RUN: %target-swift-frontend -emit-ir -I %t -target wasm32-unknown-wasip1 \
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// RUN: -enable-experimental-feature Extern -parse-stdlib %t/Client.swift | %FileCheck %s
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// Check that wasm import names are preserved in the serialized SIL
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// RUN: %target-swift-frontend -emit-sib -I %t -target wasm32-unknown-wasip1 \
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// RUN: -enable-experimental-feature Extern -parse-stdlib %t/Client.swift -o %t/Client.sib
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// RUN: %target-swift-frontend -emit-ir -I %t -target wasm32-unknown-wasip1 \
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// RUN: -enable-experimental-feature Extern -parse-stdlib %t/Client.sib | %FileCheck %s
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// REQUIRES: swift_feature_Extern
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// REQUIRES: CODEGENERATOR=WebAssembly
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//--- Lib.swift
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@_extern(wasm, module: "mod", name: "foo") public func foo()
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@_extern(wasm, module: "modOnly", name: "") public func modOnly()
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@_extern(wasm, module: "", name: "nameOnly") public func nameOnly()
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//--- Client.swift
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import Lib
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public func use() {
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foo()
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modOnly()
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nameOnly()
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}
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// CHECK: declare swiftcc void @"$s3Lib3fooyyF"() #[[ATTR:[0-9]+]]
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// CHECK: declare swiftcc void @"$s3Lib7modOnlyyyF"() #[[ATTR_MOD_ONLY:[0-9]+]]
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// CHECK: declare swiftcc void @"$s3Lib8nameOnlyyyF"() #[[ATTR_NAME_ONLY:[0-9]+]]
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// CHECK: attributes #[[ATTR]] = {{.*}}"wasm-import-module"="mod"{{.*}}"wasm-import-name"="foo"
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// CHECK: attributes #[[ATTR_MOD_ONLY]] = {{.*}}"wasm-import-module"="modOnly"{{.*}}
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// CHECK: attributes #[[ATTR_NAME_ONLY]] = {{.*}}"wasm-import-name"="nameOnly"{{.*}}
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