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// This is a codegen test which checks that when code is compiled with panic=immediate-abort,
// we get a `tail call void @llvm.trap()` in user code instead of a call into the standard
// library's panic formatting code (such as panic_fmt) or one of the numerous panic outlining shims
// (such as slice_index_fail).
#![deny(warnings)]
use run_make_support::{cargo, llvm_filecheck, path, rfs, target};
fn main() {
let target_dir = path("target");
cargo()
.args(&[
"build",
"--release",
"--lib",
"--manifest-path",
"Cargo.toml",
"-Zbuild-std=core",
"--target",
&target(),
])
.env("RUSTFLAGS", "-Zunstable-options -Cpanic=immediate-abort")
.env("CARGO_TARGET_DIR", &target_dir)
.env("RUSTC_BOOTSTRAP", "1")
// Visual Studio 2022 requires that the LIB env var be set so it can
// find the Windows SDK.
.env("LIB", std::env::var("LIB").unwrap_or_default())
.run();
let out_dir = target_dir.join(target()).join("release").join("deps");
let ir_file = rfs::read_dir(out_dir)
.find_map(|e| {
let path = e.unwrap().path();
let file_name = path.file_name().unwrap().to_str().unwrap();
if file_name.starts_with("panic_scenarios") && file_name.ends_with(".ll") {
Some(path)
} else {
None
}
})
.unwrap();
llvm_filecheck().patterns("lib.rs").input_file(ir_file).run();
}
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