4 extern crate rustc_driver;
7 use rustc_driver::{driver, Compilation};
8 use rustc::hir::def_id::LOCAL_CRATE;
9 use std::cell::RefCell;
12 use miri::{MiriConfig, eval_main};
14 use crate::test::Bencher;
16 pub struct MiriCompilerCalls<'a>(Rc<RefCell<&'a mut Bencher>>);
18 fn find_sysroot() -> String {
19 // Taken from https://github.com/Manishearth/rust-clippy/pull/911.
20 let home = option_env!("RUSTUP_HOME").or(option_env!("MULTIRUST_HOME"));
21 let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
22 match (home, toolchain) {
23 (Some(home), Some(toolchain)) => format!("{}/toolchains/{}", home, toolchain),
25 option_env!("RUST_SYSROOT")
27 "need to specify RUST_SYSROOT env var or use rustup or multirust",
34 pub fn run(filename: &str, bencher: &mut Bencher) {
37 format!("benches/helpers/{}.rs", filename),
38 "--sysroot".to_string(),
41 let bencher = RefCell::new(bencher);
43 let mut control = driver::CompileController::basic();
45 control.after_analysis.stop = Compilation::Stop;
46 control.after_analysis.callback = Box::new(move |state| {
47 state.session.abort_if_errors();
49 let tcx = state.tcx.unwrap();
50 let (entry_def_id, _) = tcx.entry_fn(LOCAL_CRATE).expect(
51 "no main or start function found",
54 bencher.borrow_mut().iter(|| {
55 let config = MiriConfig { validate: true, args: vec![] };
56 eval_main(tcx, entry_def_id, config);
59 state.session.abort_if_errors();
62 rustc_driver::run_compiler(args, Box::new(control), None, None);