[AArch64] Predicate should be NE for CBNZW (#150287)

Unable to reproduce yet, but this definitely seems wrong. Better safe
than sorry.

No effect on codegen as far as I know (because I have not been able to
repro).

Author: AZero13

llvm/lib/Target/AArch64/AArch64InstrInfo.cpp

@@ -533,8 +533,9 @@ bool AArch64InstrInfo::analyzeBranchPredicate(MachineBasicBlock &MBB,
 
   MBP.LHS = LastInst->getOperand(0);
   MBP.RHS = MachineOperand::CreateImm(0);
-  MBP.Predicate = LastOpc == AArch64::CBNZX ? MachineBranchPredicate::PRED_NE
-                                            : MachineBranchPredicate::PRED_EQ;
+  MBP.Predicate = (LastOpc == AArch64::CBNZX || LastOpc == AArch64::CBNZW)
+                      ? MachineBranchPredicate::PRED_NE
+                      : MachineBranchPredicate::PRED_EQ;
   return false;
 }