address review comments

Author: Thorsten Schütt

llvm/include/llvm/CodeGen/GlobalISel/GenericMachineInstrs.h

@@ -885,7 +885,7 @@ class GMul : public GIntBinOp {
 };
 
 /// Represents a shift left.
-class GSHL : public GenericMachineInstr {
+class GShl : public GenericMachineInstr {
 public:
   Register getSrcReg() const { return getOperand(1).getReg(); }
   Register getShiftReg() const { return getOperand(2).getReg(); }

llvm/lib/CodeGen/GlobalISel/CombinerHelperVectorOps.cpp

@@ -464,7 +464,7 @@ bool CombinerHelper::matchSubOfVScale(const MachineOperand &MO,
 
 bool CombinerHelper::matchShlOfVScale(const MachineOperand &MO,
                                       BuildFnTy &MatchInfo) {
-  GSHL *Shl = cast<GSHL>(MRI.getVRegDef(MO.getReg()));
+  GShl *Shl = cast<GShl>(MRI.getVRegDef(MO.getReg()));
   GVScale *LHSVScale = cast<GVScale>(MRI.getVRegDef(Shl->getSrcReg()));
 
   std::optional<APInt> MaybeRHS = getIConstantVRegVal(Shl->getShiftReg(), MRI);