Auto merge of #46739 - arielb1:simple-loops, r=nikomatsakis
[needs perf run] Try to improve LLVM pass ordering Fixes #45466
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Subproject commit 6d08185a5cf488d0a853b065a8a3a6d7a29f084f
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Subproject commit 2717444753318e461e0c3b30dacd03ffbac96903
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# If this file is modified, then llvm will be (optionally) cleaned and then rebuilt.
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# If this file is modified, then llvm will be (optionally) cleaned and then rebuilt.
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# The actual contents of this file do not matter, but to trigger a change on the
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# The actual contents of this file do not matter, but to trigger a change on the
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# build bots then the contents should be changed so git updates the mtime.
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# build bots then the contents should be changed so git updates the mtime.
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2017-11-07
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2017-11-08
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@ -0,0 +1,25 @@
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// 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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// min-llvm-version 4.0
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// compile-flags: -O
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#![crate_type="rlib"]
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// CHECK-LABEL: @memzero
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// CHECK-NOT: store
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// CHECK: call void @llvm.memset
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// CHECK-NOT: store
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#[no_mangle]
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pub fn memzero(data: &mut [u8]) {
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for i in 0..data.len() {
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data[i] = 0;
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}
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}
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