remove TargetMachine.h #include, also, TRI isn't used frequently 
enough to warrant caching in AsmPrinter, so remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100336 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 9007d0d..2a8e3ee 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -65,7 +65,7 @@
 
 AsmPrinter::AsmPrinter(TargetMachine &tm, MCStreamer &Streamer)
   : MachineFunctionPass(&ID),
-    TM(tm), MAI(tm.getMCAsmInfo()), TRI(tm.getRegisterInfo()),
+    TM(tm), MAI(tm.getMCAsmInfo()),
     OutContext(Streamer.getContext()),
     OutStreamer(Streamer),
     LastMI(0), LastFn(0), Counter(~0U), SetCounter(0) {
@@ -1610,8 +1610,9 @@
 /// that is an implicit def.
 void AsmPrinter::printImplicitDef(const MachineInstr *MI) const {
   if (!VerboseAsm) return;
+  unsigned RegNo = MI->getOperand(0).getReg();
   OutStreamer.AddComment(Twine("implicit-def: ") +
-                         TRI->getName(MI->getOperand(0).getReg()));
+                         TM.getRegisterInfo()->getName(RegNo));
   OutStreamer.AddBlankLine();
 }
 
@@ -1623,7 +1624,7 @@
     const MachineOperand &Op = MI->getOperand(n);
     assert(Op.isReg() && "KILL instruction must have only register operands");
     Str += ' ';
-    Str += TRI->getName(Op.getReg());
+    Str += TM.getRegisterInfo()->getName(Op.getReg());
     Str += (Op.isDef() ? "<def>" : "<kill>");
   }
   OutStreamer.AddComment(Str);