[llvm] [RISC-V] Fix incorrect epilogue_begin (PR #120623)

[Venkata Ramanaiah Nalamothu via llvm-commits]

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@@ -1000,20 +1005,20 @@ void RISCVFrameLowering::emitEpilogue(MachineFunction &MF,
     // If RestoreSPFromFP the stack pointer will be restored using the frame
     // pointer value.
     if (!RestoreSPFromFP)
-      RI->adjustReg(MBB, LastFrameDestroy, DL, SPReg, SPReg,
+      RI->adjustReg(MBB, LastScalarFrameDestroy, DL, SPReg, SPReg,
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RamNalamothu wrote:

Thinking about it again, _FirstScalarCSRRestoreInsn_ made sense for the variable in question.

https://github.com/llvm/llvm-project/pull/120623