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//@ needs-target-std
// `no_builtins` is an attribute related to LLVM's optimizations. In order to ensure that it has an
// effect on link-time optimizations (LTO), it should be added to function declarations in a crate.
// This test uses the `llvm-filecheck` tool to determine that this attribute is successfully
// being added to these function declarations.
// See https://github.com/rust-lang/rust/pull/113716
use run_make_support::{llvm_filecheck, rfs, rustc};
fn main() {
rustc().input("no_builtins.rs").emit("link").run();
rustc().input("main.rs").emit("llvm-ir").run();
llvm_filecheck().patterns("filecheck.main.txt").stdin_buf(rfs::read("main.ll")).run();
}
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