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| author | Dan Gohman <gohman@apple.com> | 2010-08-24 14:35:45 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-08-24 14:35:45 +0000 |
| commit | f0715b179a3e39f95d02a7d50170f819bd1c99f5 (patch) | |
| tree | b768204c5f7346a6e726056f9fb211a31308b9b6 | |
| parent | 7c7f13a5e64258f6ec704d61c090ffcec14e3736 (diff) | |
| download | bcm5719-llvm-f0715b179a3e39f95d02a7d50170f819bd1c99f5.tar.gz bcm5719-llvm-f0715b179a3e39f95d02a7d50170f819bd1c99f5.zip | |
Add a comment explaining why this code doesn't just call
ParseMetadataValue.
llvm-svn: 111914
| -rw-r--r-- | llvm/lib/AsmParser/LLParser.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp index 0eb1b70c3f2..7766ad61da1 100644 --- a/llvm/lib/AsmParser/LLParser.cpp +++ b/llvm/lib/AsmParser/LLParser.cpp @@ -1134,6 +1134,10 @@ bool LLParser::ParseInstructionMetadata(Instruction *Inst, if (ParseToken(lltok::exclaim, "expected '!' here")) return true; + // This code is similar to that of ParseMetadataValue, however it needs to + // have special-case code for a forward reference; see the comments on + // ForwardRefInstMetadata for details. Also, MDStrings are not supported + // at the top level here. if (Lex.getKind() == lltok::lbrace) { ValID ID; if (ParseMetadataListValue(ID, PFS)) |
