diff options
| -rw-r--r-- | llvm/utils/TableGen/AsmMatcherEmitter.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp index 01754c3f91e..9f897685c2f 100644 --- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp +++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp @@ -737,7 +737,9 @@ void MatchableInfo::TokenizeAsmString(const AsmMatcherInfo &Info) { // The first token of the instruction is the mnemonic, which must be a // simple string, not a $foo variable or a singleton register. - assert(!AsmOperands.empty() && "Instruction has no tokens?"); + if (AsmOperands.empty()) + throw TGError(TheDef->getLoc(), + "Instruction '" + TheDef->getName() + "' has no tokens"); Mnemonic = AsmOperands[0].Token; if (Mnemonic[0] == '$' || getSingletonRegisterForAsmOperand(0, Info)) throw TGError(TheDef->getLoc(), |
