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Rollup merge of #126985 - Mrmaxmeier:dwarf-embed-source, r=davidtwco

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Implement `-Z embed-source` (DWARFv5 source code embedding extension)

Implement https://github.com/rust-lang/compiler-team/issues/764 MCP which adds an unstable flag that exposes LLVM's [DWARFv5 source code embedding](https://dwarfstd.org/issues/180201.1.html) support.
This commit is contained in:
Trevor Gross 2024-08-27 01:46:49 -05:00 • committed by GitHub
commit 9c26ebe32e
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11 changed files with 135 additions and 4 deletions
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9
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -913,14 +913,19 @@ extern "C" LLVMMetadataRef
LLVMRustDIBuilderCreateFile(LLVMRustDIBuilderRef Builder, const char *Filename,
size_t FilenameLen, const char *Directory,
size_t DirectoryLen, LLVMRustChecksumKind CSKind,
const char *Checksum, size_t ChecksumLen) {
const char *Checksum, size_t ChecksumLen,
const char *Source, size_t SourceLen) {
std::optional<DIFile::ChecksumKind> llvmCSKind = fromRust(CSKind);
std::optional<DIFile::ChecksumInfo<StringRef>> CSInfo{};
if (llvmCSKind)
CSInfo.emplace(*llvmCSKind, StringRef{Checksum, ChecksumLen});
std::optional<StringRef> oSource{};
if (Source)
oSource = StringRef(Source, SourceLen);
return wrap(Builder->createFile(StringRef(Filename, FilenameLen),
StringRef(Directory, DirectoryLen), CSInfo));
StringRef(Directory, DirectoryLen), CSInfo,
oSource));
}
extern "C" LLVMMetadataRef