[llvm] [RISCV] Implement foward inserting save/restore FRM instructions. (PR #77744)

[Yeting Kuo via llvm-commits]

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@@ -0,0 +1,217 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs -target-abi=lp64d < %s | FileCheck %s
+
+declare <vscale x 1 x float> @llvm.riscv.vfadd.nxv1f32.nxv1f32(
+  <vscale x 1 x float>,
+  <vscale x 1 x float>,
+  <vscale x 1 x float>,
+  i64, i64);
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yetingk wrote:

Done.

https://github.com/llvm/llvm-project/pull/77744