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cg_llvm: implement split dwarf support

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This commit implements Split DWARF support, wiring up the flag (added in
earlier commits) to the modified FFI wrapper (also from earlier
commits).

Signed-off-by: David Wood <david@davidtw.co>
This commit is contained in:
David Wood 2020-09-23 17:33:54 +01:00
parent 241160de72
commit e3fdae9d81
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GPG key ID: 2592E76C87381FD9
8 changed files with 228 additions and 46 deletions
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8
compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
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@ -995,7 +995,11 @@ pub fn compile_unit_metadata(
let name_in_debuginfo = name_in_debuginfo.to_string_lossy();
let work_dir = tcx.sess.working_dir.0.to_string_lossy();
let flags = "\0";
let split_name = "";
let split_name = tcx
.output_filenames(LOCAL_CRATE)
.split_dwarf_file(tcx.sess.opts.debugging_opts.split_dwarf, Some(codegen_unit_name))
.unwrap_or_default();
let split_name = split_name.to_str().unwrap();
// FIXME(#60020):
//
@ -1040,7 +1044,7 @@ pub fn compile_unit_metadata(
split_name.len(),
kind,
0,
true,
tcx.sess.opts.debugging_opts.split_dwarf_inlining,
);
if tcx.sess.opts.debugging_opts.profile {