[llvm] [NFC][AMDGPU] Automate any_extend_vector_inreg.ll check line generation (PR #145013)

[Matt Arsenault via llvm-commits]

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@@ -1,30 +1,149 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc -mtriple=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
-; RUN: llc -mtriple=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+; RUN: llc -mtriple=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCNF %s
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arsenm wrote:

GCNF isn't a normal prefix, usual convention would be VI or GFX8, and changing the other one to SI or GFX6 

https://github.com/llvm/llvm-project/pull/145013