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rustc: Handle #[inline(always)] at -O0
This commit updates the handling of `#[inline(always)]` functions at -O0 to ensure that it's always inlined regardless of the number of codegen units used. Closes #45201
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@@ -0,0 +1,8 @@ | ||
-include ../tools.mk | ||
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all: | ||
$(RUSTC) foo.rs --emit llvm-ir -C codegen-units=2 | ||
if grep -w call $(TMPDIR)/*.ll; then \ | ||
echo "found call instruction when one wasn't expected"; \ | ||
exit 1; \ | ||
fi |
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![crate_type = "lib"] | ||
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pub mod a { | ||
#[inline(always)] | ||
pub fn foo() { | ||
} | ||
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pub fn bar() { | ||
} | ||
} | ||
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#[no_mangle] | ||
pub fn bar() { | ||
a::foo(); | ||
} |