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-rw-r--r--utils/TableGen/AsmMatcherEmitter.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index d2f2748..3576cc9 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -740,7 +740,8 @@ void MatchableInfo::TokenizeAsmString(const AsmMatcherInfo &Info) {
throw TGError(TheDef->getLoc(),
"Instruction '" + TheDef->getName() + "' has no tokens");
Mnemonic = AsmOperands[0].Token;
- if (Mnemonic[0] == '$' || getSingletonRegisterForAsmOperand(0, Info))
+ // FIXME : Check and raise an error if it is register.
+ if (Mnemonic[0] == '$')
throw TGError(TheDef->getLoc(),
"Invalid instruction mnemonic '" + Mnemonic.str() + "'!");