Imported Upstream version 1.9.0+dfsg1

[rustc.git] / src / test / auxiliary / llvm_pass_plugin.rs

// Copyright 2015 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.

// force-host

#![feature(plugin_registrar)]
#![feature(rustc_private)]

extern crate rustc;
extern crate rustc_plugin;

use rustc_plugin::Registry;

#[plugin_registrar]
pub fn plugin_registrar(reg: &mut Registry) {
    // This pass is built in to LLVM.
    //
    // Normally, we would name a pass that was registered through
    // C++ static object constructors in the same .so file as the
    // plugin registrar.
    reg.register_llvm_pass("gvn");
}