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| author | Jim Grosbach <grosbach@apple.com> | 2012-05-06 17:33:14 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-05-06 17:33:14 +0000 |
| commit | 90e8c5e08fce888cb2ebcc21f3e30f22e1a74903 (patch) | |
| tree | af91094773eb76ae01d306964a5ff5c6691e7b5b /llvm | |
| parent | d8b1b908b53c38c8fa62a0d6f697a5f5c699c309 (diff) | |
| download | bcm5719-llvm-90e8c5e08fce888cb2ebcc21f3e30f22e1a74903.tar.gz bcm5719-llvm-90e8c5e08fce888cb2ebcc21f3e30f22e1a74903.zip | |
TableGen: AsmMatcher diagnostic when missing instruction mnemonic.
Previously, if an instruction definition was missing the mnemonic,
the next line would just assert(). Issue a real diagnostic instead.
llvm-svn: 156263
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/utils/TableGen/AsmMatcherEmitter.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp index 0cb86d03d72..96e882b19fd 100644 --- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp +++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp @@ -825,6 +825,9 @@ void MatchableInfo::tokenizeAsmString(const AsmMatcherInfo &Info) { throw TGError(TheDef->getLoc(), "Instruction '" + TheDef->getName() + "' has no tokens"); Mnemonic = AsmOperands[0].Token; + if (Mnemonic.empty()) + throw TGError(TheDef->getLoc(), + "Missing instruction mnemonic"); // FIXME : Check and raise an error if it is a register. if (Mnemonic[0] == '$') throw TGError(TheDef->getLoc(), |
