[llvm] [RISCV] Add codegen support for Zvfbfmin (PR #87911)

[Craig Topper via llvm-commits]

================
@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
-; RUN: llc -mtriple=riscv32 -mattr=+v,+zfh,+zvfh -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,RV32 %s
-; RUN: llc -mtriple=riscv64 -mattr=+v,+zfh,+zvfh -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,RV64 %s
+; RUN: llc -mtriple=riscv32 -mattr=+v,+zfh,+zvfh,+experimental-zfbfmin,+experimental-zvfbfmin -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,RV32 %s
+; RUN: llc -mtriple=riscv64 -mattr=+v,+zfh,+zvfh,+experimental-zfbfmin,+experimental-zvfbfmin -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,RV64 %s
----------------
topperc wrote:

Why do you need to add `experimental-zfbfmin`?

https://github.com/llvm/llvm-project/pull/87911