Remove un-used encoding info from Pseudo MLAv5.

Pseudo-instructions don't have encoding information, as they're lowered
to real instructions by the time we're doing binary encoding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134533 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index ed979e7..a5bd79d 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -2698,10 +2698,7 @@
                         (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
                         Size4Bytes, IIC_iMAC32,
                         [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
-                        Requires<[IsARM, NoV6]> {
-  bits<4> Ra;
-  let Inst{15-12} = Ra;
-}
+                        Requires<[IsARM, NoV6]>;
 def MLA  : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
                     IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
                    [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,