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17 lines
722 B
Swift
17 lines
722 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-emit-ir %s -module-name main -parse-as-library -enable-experimental-feature Volatile -Onone | %FileCheck %s
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// RUN: %target-swift-emit-ir %s -module-name main -parse-as-library -enable-experimental-feature Volatile -O | %FileCheck %s
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// RUN: %target-swift-emit-ir %s -module-name main -parse-as-library -enable-experimental-feature Volatile -Osize | %FileCheck %s
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import _Volatile
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public func test_volatilepointer() {
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let p = VolatileMappedRegister<UInt8>(unsafeBitPattern: 0)
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p.store(42)
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}
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// CHECK: define {{.*}}void @"$s4main20test_volatilepointeryyF"()
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// CHECK: store atomic volatile i8 42, ptr null monotonic, align {{.*}}
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// CHECK: ret void
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// CHECK: }
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