27 lines
800 B
Rust
27 lines
800 B
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// compile-flags: -O
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// ignore-asmjs
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#![feature(asm)]
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#![crate_type = "lib"]
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// Check that inline assembly expressions without any outputs
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// are marked as having side effects / being volatile
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// CHECK-LABEL: @assembly
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#[no_mangle]
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pub fn assembly() {
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unsafe { asm!("") }
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// CHECK: tail call void asm sideeffect "", {{.*}}
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}
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