[llvm] [RISCV] fix SP recovery in a function epilogue (PR #110809)

[via llvm-commits]

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@@ -1566,6 +1595,7 @@ void RISCVFrameLowering::emitCalleeSavedRVVPrologCFI(
     int FI = CS.getFrameIdx();
     if (FI >= 0 && MFI.getStackID(FI) == TargetStackID::ScalableVector) {
       MCRegister BaseReg = TRI.getSubReg(CS.getReg(), RISCV::sub_vrm1_0);
+
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dlav-sc wrote:

addressed

https://github.com/llvm/llvm-project/pull/110809