[llvm] [RISCV][CFI] add function epilogue cfi information (PR #110810)

[via llvm-commits]

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@@ -146,7 +151,10 @@ define i32 @va1(ptr %fmt, ...) {
 ; RV64-WITHFP-NEXT:    lw a0, 0(a0)
 ; RV64-WITHFP-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
 ; RV64-WITHFP-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
+; RV64-WITHFP-NEXT:    .cfi_restore ra
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dlav-sc wrote:

addressed

https://github.com/llvm/llvm-project/pull/110810