Introduce the TargetInstrInfo::KILL machine instruction and get rid of the
unused DECLARE instruction.

KILL is not yet used anywhere, it will replace TargetInstrInfo::IMPLICIT_DEF
in the places where IMPLICIT_DEF is just used to alter liveness of physical
registers.

llvm-svn: 83006
diff --git a/llvm/utils/TableGen/AsmWriterEmitter.cpp b/llvm/utils/TableGen/AsmWriterEmitter.cpp
index 29bcb39..84a647b 100644
--- a/llvm/utils/TableGen/AsmWriterEmitter.cpp
+++ b/llvm/utils/TableGen/AsmWriterEmitter.cpp
@@ -681,6 +681,8 @@
     << "  } else if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF) {\n"
     << "    printImplicitDef(MI);\n"
     << "    return;\n"
+    << "  } else if (MI->getOpcode() == TargetInstrInfo::KILL) {\n"
+    << "    return;\n"
     << "  }\n\n";
 
   O << "\n#endif\n";