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da07ff577c
PrintAsClang is supposed to emit declarations in the same order regardless of the compiler’s internal state, but we have repeatedly found that our current criteria are inadequate, resulting in non-functionality-affecting changes to generated header content. Add a diagnostic that’s emitted when this happens soliciting a bug report. Since there *should* be no cases where the compiler fails to order declarations, this diagnostic is never actually emitted. Instead, we test this change by enabling `-verify` on nearly all PrintAsClang tests to make sure they are unaffected. This did demonstrate a missing criterion that only mattered in C++ mode: extensions that varied only in their generic signature were not sorted stably. Add a sort criterion for this.
41 lines
2.5 KiB
Swift
41 lines
2.5 KiB
Swift
// RUN: %empty-directory(%t)
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// FIXME: BEGIN -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/ObjectiveC.swift -disable-objc-attr-requires-foundation-module
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/CoreGraphics.swift
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/Foundation.swift
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/simd.swift
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// FIXME: END -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -emit-module -emit-module-doc -o %t -module-name simd_test %s
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -parse-as-library %t/simd_test.swiftmodule -typecheck -verify -emit-objc-header-path %t/simd.h -import-objc-header %S/../Inputs/empty.h -disable-objc-attr-requires-foundation-module
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// RUN: %FileCheck %s < %t/simd.h
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// RUN: %check-in-clang %t/simd.h
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// RUN: %check-in-clang -fno-modules -Qunused-arguments %t/simd.h
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// REQUIRES: objc_interop
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import Foundation
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import simd
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// CHECK-LABEL: typedef float swift_float4 __attribute__((__ext_vector_type__(4)));
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// CHECK-LABEL: typedef double swift_double2 __attribute__((__ext_vector_type__(2)));
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// CHECK-LABEL: typedef int swift_int3 __attribute__((__ext_vector_type__(3)));
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// CHECK-LABEL: typedef unsigned int swift_uint4 __attribute__((__ext_vector_type__(4)));
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// -- The C simd module is useless to Swift.
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// CHECK-NOT: @import simd;
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// CHECK-LABEL: @interface Foo : NSObject
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@objc class Foo: NSObject {
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// CHECK-LABEL: - (swift_float4)doStuffWithFloat4:(swift_float4)x SWIFT_WARN_UNUSED_RESULT;
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@objc func doStuffWithFloat4(_ x: float4) -> float4 { return x }
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// CHECK-LABEL: - (swift_double2)doStuffWithDouble2:(swift_double2)x SWIFT_WARN_UNUSED_RESULT;
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@objc func doStuffWithDouble2(_ x: double2) -> double2 { return x }
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// CHECK-LABEL: - (swift_int3)doStuffWithInt3:(swift_int3)x SWIFT_WARN_UNUSED_RESULT;
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@objc func doStuffWithInt3(_ x: int3) -> int3 { return x }
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// CHECK-LABEL: - (swift_uint4)doStuffWithUInt4:(swift_uint4)x SWIFT_WARN_UNUSED_RESULT;
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@objc func doStuffWithUInt4(_ x: uint4) -> uint4 { return x }
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}
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