PHI nodes can never reach the asmprinter, assert and die instead of printing
out an illegal "PHINODE" instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81495 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index db959ad..a6f6149 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -558,7 +558,8 @@
 
   for (CodeGenTarget::inst_iterator I = Target.inst_begin(),
          E = Target.inst_end(); I != E; ++I)
-    if (!I->second.AsmString.empty())
+    if (!I->second.AsmString.empty() &&
+        I->second.TheDef->getName() != "PHI")
       Instructions.push_back(AsmWriterInst(I->second, AsmWriter));
 
   // Get the instruction numbering.