Re-apply r135319 with a fix for the constant island pass.
Original Log: Get rid of the separate opcodes for the Darwin versions of tBL, tBLXi, and tBLXr, using pseudo-instructions to lower to the single final opcode.  Update the ARM disassembler for this change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135414 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp
index f45ebdc..f53714c 100644
--- a/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -1430,6 +1430,8 @@
   // Use BL to implement far jump.
   Br.MaxDisp = (1 << 21) * 2;
   MI->setDesc(TII->get(ARM::tBfar));
+  MI->addOperand(MachineOperand::CreateImm((int64_t)ARMCC::AL));
+  MI->addOperand(MachineOperand::CreateReg(0, false));
   BBSizes[MBB->getNumber()] += 2;
   AdjustBBOffsetsAfter(MBB, 2);
   HasFarJump = true;