[ARM] Use tablegen HasOneUse. NFC

Author: davemgreen

llvm/lib/Target/ARM/ARMInstrInfo.td

@@ -465,19 +465,16 @@ class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
 
 // An 'and' node with a single use.
-def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
-  return N->hasOneUse();
-}]>;
+let HasOneUse = 1 in
+def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs)>;
 
 // An 'xor' node with a single use.
-def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
-  return N->hasOneUse();
-}]>;
+let HasOneUse = 1 in
+def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs)>;
 
 // An 'fmul' node with a single use.
-def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
-  return N->hasOneUse();
-}]>;
+let HasOneUse = 1 in
+def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs)>;
 
 // An 'fadd' node which checks for single non-hazardous use.
 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{

llvm/lib/Target/ARM/ARMInstrThumb2.td

@@ -5735,11 +5735,10 @@ def t2CSINC : CS<"csinc", 0b1001>;
 def t2CSINV : CS<"csinv", 0b1010>;
 def t2CSNEG : CS<"csneg", 0b1011>;
 
+let HasOneUse = 1 in
 def ARMcsinc_su
     : PatFrag<(ops node:$lhs, node:$rhs, node:$cc, node:$flags),
-              (ARMcsinc node:$lhs, node:$rhs, node:$cc, node:$flags), [{
-  return N->hasOneUse();
-}]>;
+              (ARMcsinc node:$lhs, node:$rhs, node:$cc, node:$flags)>;
 
 let Predicates = [HasV8_1MMainline] in {
   multiclass CSPats<SDNode Node, Instruction Insn> {