[clang] [llvm] [RISCV] CodeGen of RVE and ilp32e/lp64e ABIs (PR #76777)

[Nemanja Ivanovic via cfe-commits]

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@@ -83,13 +88,14 @@ RISCVRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
 }
 
 BitVector RISCVRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
+  const RISCVSubtarget &STI = MF.getSubtarget<RISCVSubtarget>();
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nemanjai wrote:

Why was this added? Or perhaps, why wasn't the `Subtarget` variable removed?

https://github.com/llvm/llvm-project/pull/76777