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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 | 8e27c9615938298bd03a7884964a0f5e0e80542d (patch) | |
| tree | 5a238b90787c90ab06f073cc526e632831e9c7ba /utils | |
| parent | eb034f4af3f84106828c9ca11b0b003c1c86fb49 (diff) | |
| download | llvm-8e27c9615938298bd03a7884964a0f5e0e80542d.tar.gz llvm-8e27c9615938298bd03a7884964a0f5e0e80542d.tar.bz2 llvm-8e27c9615938298bd03a7884964a0f5e0e80542d.tar.xz | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156263 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/TableGen/AsmMatcherEmitter.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp index 0cb86d03d7..96e882b19f 100644 --- a/utils/TableGen/AsmMatcherEmitter.cpp +++ b/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(), |