AL is an optional mnemonic extension for always, except in IT instructions.
Add printMandatoryPredicateOperand() PrintMethod for IT predicate printing.

Ref: A8.3 Conditional execution

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97571 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
index d7d8e09..a2084b0 100644
--- a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
@@ -325,6 +325,12 @@
     O << ARMCondCodeToString(CC);
 }
 
+void ARMInstPrinter::printMandatoryPredicateOperand(const MCInst *MI, 
+                                                    unsigned OpNum) {
+  ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
+  O << ARMCondCodeToString(CC);
+}
+
 void ARMInstPrinter::printSBitModifierOperand(const MCInst *MI, unsigned OpNum){
   if (MI->getOperand(OpNum).getReg()) {
     assert(MI->getOperand(OpNum).getReg() == ARM::CPSR &&