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| author | Chris Lattner <sabre@nondot.org> | 2010-01-09 19:20:07 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-01-09 19:20:07 +0000 |
| commit | 02af784535ff1c245b49d4def34c88d563df1c90 (patch) | |
| tree | aad3afb2e9d412b95c2f1b2b0809e512074e8b96 | |
| parent | d16c55174a330da7d44ee33a1fe2053ffa57144d (diff) | |
| download | external_llvm-02af784535ff1c245b49d4def34c88d563df1c90.zip external_llvm-02af784535ff1c245b49d4def34c88d563df1c90.tar.gz external_llvm-02af784535ff1c245b49d4def34c88d563df1c90.tar.bz2 | |
fix PR5983, reject function bodies with no blocks per the grammar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93067 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/AsmParser/LLParser.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp index 3ee683f..9de1ff9 100644 --- a/lib/AsmParser/LLParser.cpp +++ b/lib/AsmParser/LLParser.cpp @@ -2779,6 +2779,10 @@ bool LLParser::ParseFunctionBody(Function &Fn) { PerFunctionState PFS(*this, Fn, FunctionNumber); + // We need at least one basic block. + if (Lex.getKind() == lltok::rbrace || Lex.getKind() == lltok::kw_end) + return TokError("function body requires at least one basic block"); + while (Lex.getKind() != lltok::rbrace && Lex.getKind() != lltok::kw_end) if (ParseBasicBlock(PFS)) return true; |