[Hexagon] Add TargetRegisterInfo::getPointerRegClass() override

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@325731 91177308-0d34-0410-b5e6-96231b3b80d8

Author: Tobias Edler von Koch

lib/Target/Hexagon/HexagonRegisterInfo.cpp

@@ -283,6 +283,11 @@ bool HexagonRegisterInfo::useFPForScavengingIndex(const MachineFunction &MF)
   return MF.getSubtarget<HexagonSubtarget>().getFrameLowering()->hasFP(MF);
 }
 
+const TargetRegisterClass *
+HexagonRegisterInfo::getPointerRegClass(const MachineFunction &MF,
+                                        unsigned Kind) const {
+  return &Hexagon::IntRegsRegClass;
+}
 
 unsigned HexagonRegisterInfo::getFirstCallerSavedNonParamReg() const {
   return Hexagon::R6;

lib/Target/Hexagon/HexagonRegisterInfo.h

@@ -77,6 +77,10 @@ class HexagonRegisterInfo : public HexagonGenRegisterInfo {
 
   unsigned getFirstCallerSavedNonParamReg() const;
 
+  const TargetRegisterClass *
+  getPointerRegClass(const MachineFunction &MF,
+                     unsigned Kind = 0) const override;
+
   bool isEHReturnCalleeSaveReg(unsigned Reg) const;
 };