[RISCV] Remove Inst bits from Pseudo tablegen class. NFC

Pseudods shouldn't have encoding information so these bits should
never be used.

Author: topperc

llvm/lib/Target/RISCV/RISCVInstrFormats.td

@@ -281,9 +281,10 @@ class RVInst64<dag outs, dag ins, string opcodestr, string argstr,
 
 // Pseudo instructions
 class Pseudo<dag outs, dag ins, list<dag> pattern, string opcodestr = "", string argstr = "">
-    : RVInst<outs, ins, opcodestr, argstr, pattern, InstFormatPseudo> {
+    : RVInstCommon<outs, ins, opcodestr, argstr, pattern, InstFormatPseudo> {
   let isPseudo = 1;
   let isCodeGenOnly = 1;
+  let Size = 4;
 }
 
 class PseudoQuietFCMP<DAGOperand Ty>

llvm/lib/Target/RISCV/RISCVInstrInfoF.td

@@ -503,13 +503,13 @@ def fpimm0    : PatLeaf<(fpimm), [{ return N->isExactlyValue(+0.0); }]>;
 
 /// Generic pattern classes
 class PatSetCC<DAGOperand Ty, SDPatternOperator OpNode, CondCode Cond,
-               RVInst Inst, ValueType vt>
+               RVInstCommon Inst, ValueType vt>
     : Pat<(XLenVT (OpNode (vt Ty:$rs1), Ty:$rs2, Cond)), (Inst $rs1, $rs2)>;
 multiclass PatSetCC_m<SDPatternOperator OpNode, CondCode Cond,
-                      RVInst Inst, ExtInfo Ext> {
+                      RVInstCommon Inst, ExtInfo Ext> {
   let Predicates = Ext.Predicates in
   def Ext.Suffix : PatSetCC<Ext.PrimaryTy, OpNode, Cond,
-                            !cast<RVInst>(Inst#Ext.Suffix), Ext.PrimaryVT>;
+                            !cast<RVInstCommon>(Inst#Ext.Suffix), Ext.PrimaryVT>;
 }
 
 class PatFprFpr<SDPatternOperator OpNode, RVInstR Inst,