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Replace an assert() with an actual diagnostic.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-11-30 23:16:25 +00:00
parent af65a8c54b
commit 4a2242cea0
1 changed files with 3 additions and 1 deletions
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4
utils/TableGen/AsmMatcherEmitter.cpp
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@ -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(),