1 // Copyright 2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags: -Z identify_regions -Z emit-end-regions
13 // Tests to make sure we correctly generate falseUnwind edges in loops
16 // Exit early at runtime. Since only care about the generated MIR
17 // and not the runtime behavior (which is exercised by other tests)
18 // we just bail early. Without this the test just loops infinitely.
29 // START rustc.main.SimplifyCfg-qualify-consts.after.mir
31 // bb1: { // The cleanup block
35 // bb3: { // Entry into the loop
39 // bb4: { // The loop_block
40 // falseUnwind -> [real: bb5, cleanup: bb1];
42 // bb5: { // The loop body (body_block)
45 // FakeRead(ForLet, _5);
50 // END rustc.main.SimplifyCfg-qualify-consts.after.mir