61 lines
1.8 KiB
Rust
61 lines
1.8 KiB
Rust
extern crate getopts;
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extern crate miri;
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extern crate rustc;
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extern crate rustc_driver;
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extern crate test;
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use self::miri::eval_main;
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use self::rustc_driver::{driver, Compilation};
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use std::cell::RefCell;
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use std::rc::Rc;
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use crate::test::Bencher;
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pub struct MiriCompilerCalls<'a>(Rc<RefCell<&'a mut Bencher>>);
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fn find_sysroot() -> String {
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// Taken from https://github.com/Manishearth/rust-clippy/pull/911.
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let home = option_env!("RUSTUP_HOME").or(option_env!("MULTIRUST_HOME"));
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let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
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match (home, toolchain) {
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(Some(home), Some(toolchain)) => format!("{}/toolchains/{}", home, toolchain),
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_ => {
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option_env!("RUST_SYSROOT")
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.expect(
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"need to specify RUST_SYSROOT env var or use rustup or multirust",
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)
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.to_owned()
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}
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}
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}
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pub fn run(filename: &str, bencher: &mut Bencher) {
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let args = &[
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"miri".to_string(),
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format!("benches/helpers/{}.rs", filename),
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"--sysroot".to_string(),
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find_sysroot(),
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];
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let bencher = RefCell::new(bencher);
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let mut control = driver::CompileController::basic();
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control.after_analysis.stop = Compilation::Stop;
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control.after_analysis.callback = Box::new(move |state| {
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state.session.abort_if_errors();
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let tcx = state.tcx.unwrap();
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let (entry_node_id, _, _) = state.session.entry_fn.borrow().expect(
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"no main or start function found",
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);
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let entry_def_id = tcx.hir.local_def_id(entry_node_id);
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bencher.borrow_mut().iter(|| {
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eval_main(tcx, entry_def_id, false);
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});
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state.session.abort_if_errors();
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});
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rustc_driver::run_compiler(args, Box::new(control), None, None);
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}
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