Add a FIXME.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127511 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMInstrInfo.td

@@ -1488,6 +1488,8 @@ let isBranch = 1, isTerminator = 1 in {
   // B is "predicable" since it's just a Bcc with an 'always' condition.
   let isBarrier = 1 in {
     let isPredicable = 1 in
+    // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
+    // should be sufficient.
     def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
                 [(br bb:$target)]>;