Used PatGprGpr class to define instruction selection pattern for cv.ror. In previous patch, Pat class was used directly

Author: adeel10x

Diff for: llvm/lib/Target/RISCV/RISCVInstrInfoCOREV.td

@@ -1222,9 +1222,7 @@ let Predicates = [HasExtXcvbitmanip, IsRV32] in {
   def : PatGpr<int_riscv_cv_bitmanip_clb, CV_CLB>;
   def : PatGpr<int_riscv_cv_bitmanip_cnt, CV_CNT>;
 
-  //def : PatGprGpr<int_riscv_cv_bitmanip_ror, CV_ROR>;
-  def : Pat<(rotr i32:$rs1, i32:$rs2),
-            (CV_ROR GPR:$rs1, GPR:$rs2)>;
+  def : PatGprGpr<rotr, CV_ROR>;
 
   def : Pat<(int_riscv_cv_bitmanip_bitrev GPR:$rs1, cv_tuimm5:$pts, cv_tuimm2:$radix),
             (CV_BITREV GPR:$rs1, cv_tuimm2:$radix, cv_tuimm5:$pts)>;