Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix ICE and invalid filenames in MIR printing code #58354

Merged
merged 2 commits into from Feb 14, 2019
Merged

Fix ICE and invalid filenames in MIR printing code #58354

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
18089df
Fix ICE and invalid filenames in MIR printing code
matthewjasper Feb 10, 2019
d7afd3e
Add test for MIR printing changes
matthewjasper Feb 10, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
5 changes: 3 additions & 2 deletions src/librustc_mir/util/pretty.rs
View file
Open in desktop
Expand Up @@ -197,7 +197,7 @@ fn dump_path(
.chars()
.filter_map(|c| match c {
' ' => None,
':' => Some('_'),
':' | '<' | '>' => Some('_'),
c => Some(c)
}));
s
Expand Down Expand Up @@ -603,7 +603,8 @@ fn write_mir_sig(
match (descr, src.promoted) {
(_, Some(i)) => write!(w, "{:?} in ", i)?,
(Some(Def::StructCtor(..)), _) => write!(w, "struct ")?,
(Some(Def::Const(_)), _) => write!(w, "const ")?,
(Some(Def::Const(_)), _)
| (Some(Def::AssociatedConst(_)), _) => write!(w, "const ")?,
(Some(Def::Static(_, /*is_mutbl*/false)), _) => write!(w, "static ")?,
(Some(Def::Static(_, /*is_mutbl*/true)), _) => write!(w, "static mut ")?,
(_, _) if is_function => write!(w, "fn ")?,
Expand Down
66 changes: 66 additions & 0 deletions src/test/mir-opt/unusual-item-types.rs
View file
Open in desktop
@@ -0,0 +1,66 @@
// Test that we don't ICE when trying to dump MIR for unusual item types and
// that we don't create filenames containing `<` and `>`

struct A;

impl A {
const ASSOCIATED_CONSTANT: i32 = 2;
}

enum E {
V = 5,
}

fn main() {
let v = Vec::<i32>::new();
}

// END RUST SOURCE

// START rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir
// bb0: {
// _0 = const 2i32;
// return;
// }
// bb1: {
// resume;
// }
// END rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir

// START rustc.E-V-{{constant}}.mir_map.0.mir
// bb0: {
// _0 = const 5isize;
// return;
// }
// bb1: {
// resume;
// }
// END rustc.E-V-{{constant}}.mir_map.0.mir

// START rustc.ptr-real_drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir
// bb0: {
// goto -> bb7;
// }
// bb1: {
// return;
// }
// bb2: {
// resume;
// }
// bb3: {
// goto -> bb1;
// }
// bb4: {
// goto -> bb2;
// }
// bb5: {
// drop(((*_1).0: alloc::raw_vec::RawVec<i32>)) -> bb4;
// }
// bb6: {
// drop(((*_1).0: alloc::raw_vec::RawVec<i32>)) -> [return: bb3, unwind: bb4];
// }
// bb7: {
// _2 = &mut (*_1);
// _3 = const std::ops::Drop::drop(move _2) -> [return: bb6, unwind: bb5];
// }
// END rustc.ptr-real_drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir