[llvm-commits] [patch] Tautology?

[Zhongxing Xu]

Index: utils/TableGen/Record.cpp
===================================================================
--- utils/TableGen/Record.cpp    (版本 98703)
+++ utils/TableGen/Record.cpp    (工作副本)
@@ -644,20 +644,6 @@
     DagInit *LHSs = dynamic_cast<DagInit*>(LHS);
     DagInit *RHSs = dynamic_cast<DagInit*>(RHS);
     if (LHSs && RHSs) {
-      DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
-      DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
-      if (LOp->getDef() != ROp->getDef()) {
-        bool LIsOps =
-          LOp->getDef()->getName() == "outs" ||
-          LOp->getDef()->getName() != "ins" ||
-          LOp->getDef()->getName() != "defs";
-        bool RIsOps =
-          ROp->getDef()->getName() == "outs" ||
-          ROp->getDef()->getName() != "ins" ||
-          ROp->getDef()->getName() != "defs";
-        if (!LIsOps || !RIsOps)
-          throw "Concated Dag operators do not match!";
-      }
       std::vector<Init*> Args;
       std::vector<std::string> ArgNames;
       for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {


LOp->getDef()->getName() != "ins" || LOp->getDef()->getName() != "defs";
will always be true.
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