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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83006 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
index 28cdbac..5ccddf5 100644
--- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
+++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
@@ -407,6 +407,8 @@
   case TargetInstrInfo::IMPLICIT_DEF:
     printImplicitDef(MI);
     return;
+  case TargetInstrInfo::KILL:
+    return;
   case X86::MOVPC32r: {
     MCInst TmpInst;
     // This is a pseudo op for a two instruction sequence with a label, which