[llvm] [RISCV][CFI] add function epilogue cfi information (PR #110234)

[via llvm-commits]

================
@@ -48,12 +48,14 @@ body: |
     ; CHECK-NEXT: $x10 = ADDI killed $x10, -2048
     ; CHECK-NEXT: $x10 = ADDI killed $x10, -224
     ; CHECK-NEXT: VS1R_V killed renamable $v8, killed renamable $x10
-    ; CHECK-NEXT: $x2 = frame-destroy ADDI $x8, -2048
-    ; CHECK-NEXT: $x2 = frame-destroy ADDI killed $x2, -224
-    ; CHECK-NEXT: $x2 = frame-destroy ADDI $x2, 240
+    ; CHECK-NEXT: $x2 = frame-destroy ADDI $x8, -2032
----------------
dlav-sc wrote:

addressed

https://github.com/llvm/llvm-project/pull/110234