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Check that MnemonicAlias doesn't map back to the same string.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125792 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger
2011-02-17 23:22:19 +00:00
parent c8cb8ef9c2
commit 6ef6ceda68
1 changed files with 2 additions and 0 deletions
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2
utils/TableGen/AsmMatcherEmitter.cpp
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@@ -1881,6 +1881,8 @@ static bool EmitMnemonicAliases(raw_ostream &OS, const AsmMatcherInfo &Info) {
AliasWithNoPredicate = i; AliasWithNoPredicate = i;
continue; continue;
} }
if (R->getValueAsString("ToMnemonic") == I->first)
throw TGError(R->getLoc(), "MnemonicAlias to the same string");
if (!MatchCode.empty()) if (!MatchCode.empty())
MatchCode += "else "; MatchCode += "else ";