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Deduplicate inlined function debug info, but create a new lexical scope to child subsequent scopes and variables from colliding

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This commit is contained in:
Daniel Paoliello 2023-09-01 14:27:21 -07:00
parent 83995f320c
commit 06890774ab
7 changed files with 61 additions and 22 deletions
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8
compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
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@ -292,7 +292,7 @@ impl<'ll, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
llfn: &'ll Value,
mir: &mir::Body<'tcx>,
) -> Option<FunctionDebugContext<&'ll DIScope, &'ll DILocation>> {
) -> Option<FunctionDebugContext<'tcx, &'ll DIScope, &'ll DILocation>> {
if self.sess().opts.debuginfo == DebugInfo::None {
return None;
}
@ -304,8 +304,10 @@ impl<'ll, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
file_start_pos: BytePos(0),
file_end_pos: BytePos(0),
};
let mut fn_debug_context =
FunctionDebugContext { scopes: IndexVec::from_elem(empty_scope, &mir.source_scopes) };
let mut fn_debug_context = FunctionDebugContext {
scopes: IndexVec::from_elem(empty_scope, &mir.source_scopes),
inlined_function_scopes: Default::default(),
};
// Fill in all the scopes, with the information from the MIR body.
compute_mir_scopes(self, instance, mir, &mut fn_debug_context);