[llvm] [AMDGPU] Add baseline fneg.bf16.ll tests. NFC. (PR #142866)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,1083 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=kaveri -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=CIVI,CI %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=tonga -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=CIVI,GFX8 %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx900 -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX9 %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx1100 -mattr=+real-true16 -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-TRUE16 %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx1100 -mattr=-real-true16 -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-FAKE16 %s
----------------
arsenm wrote:

```suggestion
; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=kaveri -mtriple=amdgcn--amdhsa < %s | FileCheck -enable-var-scope -check-prefixes=CIVI,CI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=tonga -mtriple=amdgcn--amdhsa  < %s | FileCheck -enable-var-scope -check-prefixes=CIVI,GFX8 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx900 -mtriple=amdgcn--amdhsa < %s | FileCheck -enable-var-scope -check-prefixes=GFX9 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx1100 -mattr=+real-true16 -mtriple=amdgcn--amdhsa < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-TRUE16 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mcpu=gfx1100 -mattr=-real-true16 -mtriple=amdgcn--amdhsa < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-FAKE16 %s
```

Later we should fix both copies to avoid using -amdgpu-scalarize-global-loads=false

https://github.com/llvm/llvm-project/pull/142866