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1) Enable tests that use `import Dispatch` on Linux. Add substitution `%import-libdispatch` that needs to be used for all cross-platform tests (i.e., tests that are intended to be run on other platforms than Darwin) that do `import Dispatch` or enable thread sanitizer. 2) Make sure as many existing Dispatch and TSan tests as possible run on Linux. Mark tests that would require substantial work with `UNSUPPORTED: OS=linux-gnu`. 3) Add integration-style Swift test that shows that TSan finds a simple race when using `Dispatch.async` incorrectly. A more complete test suite for TSan's libdispatch support lives on the LLVM/compiler-rt side. rdar://problem/49177535
26 lines
625 B
Swift
26 lines
625 B
Swift
// This test verifies that we add the function attributes used by TSan.
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// RUN: %target-swift-frontend -emit-ir -sanitize=thread %s | %FileCheck %s -check-prefix=TSAN
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// TSan is only supported on 64 bit.
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// REQUIRES: PTRSIZE=64
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// TSAN: define {{.*}} @"$s4main4testyyF"() [[DEFAULT_ATTRS:#[0-9]+]]
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public func test() {
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}
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// TSAN: define {{.*}} @"$s4main1xSivr"({{.*}}) [[COROUTINE_ATTRS:#[0-9]+]]
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public var x: Int {
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_read {
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yield 0
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}
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}
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// TSAN: attributes [[DEFAULT_ATTRS]] =
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// TSAN-SAME: sanitize_thread
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// TSAN-SAME: }
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// TSAN: attributes [[COROUTINE_ATTRS]] =
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// TSAN-SAME: sanitize_thread
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// TSAN-SAME: }
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