Remove redundant writeback flag from ARM address mode 6.  Also remove the
optional register update argument, which is currently unused -- when we add
support for that, it can just be a separate operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98683 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 447afdd..5453572 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -562,22 +562,13 @@
 void ARMAsmPrinter::printAddrMode6Operand(const MachineInstr *MI, int Op) {
   const MachineOperand &MO1 = MI->getOperand(Op);
   const MachineOperand &MO2 = MI->getOperand(Op+1);
-  const MachineOperand &MO3 = MI->getOperand(Op+2);
-  const MachineOperand &MO4 = MI->getOperand(Op+3);
 
   O << "[" << getRegisterName(MO1.getReg());
-  if (MO4.getImm()) {
+  if (MO2.getImm()) {
     // FIXME: Both darwin as and GNU as violate ARM docs here.
-    O << ", :" << MO4.getImm();
+    O << ", :" << MO2.getImm();
   }
   O << "]";
-
-  if (ARM_AM::getAM6WBFlag(MO3.getImm())) {
-    if (MO2.getReg() == 0)
-      O << "!";
-    else
-      O << ", " << getRegisterName(MO2.getReg());
-  }
 }
 
 void ARMAsmPrinter::printAddrModePCOperand(const MachineInstr *MI, int Op,