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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /compiler/rustc_mir_dataflow/src/debuginfo.rs | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_mir_dataflow/src/debuginfo.rs')
-rw-r--r-- | compiler/rustc_mir_dataflow/src/debuginfo.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compiler/rustc_mir_dataflow/src/debuginfo.rs b/compiler/rustc_mir_dataflow/src/debuginfo.rs new file mode 100644 index 000000000..fd5e8cf29 --- /dev/null +++ b/compiler/rustc_mir_dataflow/src/debuginfo.rs @@ -0,0 +1,20 @@ +use rustc_index::bit_set::BitSet; +use rustc_middle::mir::visit::*; +use rustc_middle::mir::*; + +/// Return the set of locals that appear in debuginfo. +pub fn debuginfo_locals(body: &Body<'_>) -> BitSet<Local> { + let mut visitor = DebuginfoLocals(BitSet::new_empty(body.local_decls.len())); + for debuginfo in body.var_debug_info.iter() { + visitor.visit_var_debug_info(debuginfo); + } + visitor.0 +} + +struct DebuginfoLocals(BitSet<Local>); + +impl Visitor<'_> for DebuginfoLocals { + fn visit_local(&mut self, local: Local, _: PlaceContext, _: Location) { + self.0.insert(local); + } +} |