[llvm-commits] [llvm] r125792 - /llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp

[Joerg Sonnenberger]

Author: joerg
Date: Thu Feb 17 17:22:19 2011
New Revision: 125792

URL: http://llvm.org/viewvc/llvm-project?rev=125792&view=rev
Log:
Check that MnemonicAlias doesn't map back to the same string.

Modified:
    llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp

Modified: llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp?rev=125792&r1=125791&r2=125792&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp Thu Feb 17 17:22:19 2011
@@ -1881,6 +1881,8 @@
         AliasWithNoPredicate = i;
         continue;
       }
+      if (R->getValueAsString("ToMnemonic") == I->first)
+        throw TGError(R->getLoc(), "MnemonicAlias to the same string");
 
       if (!MatchCode.empty())
         MatchCode += "else ";