[llvm] [AMDGPU] Add dynamic threshold for DPP atomic optimizer on integer LDS atomics (PR #186762)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,1077 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+;
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32 -mattr=-flat-for-global -amdgpu-atomic-optimizer-strategy=DPP < %s | FileCheck -enable-var-scope -check-prefixes=GFX1032 %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize64 -mattr=-flat-for-global -amdgpu-atomic-optimizer-strategy=DPP < %s | FileCheck -enable-var-scope -check-prefixes=GFX1064 %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -amdgpu-atomic-optimizer-strategy=DPP < %s | FileCheck -enable-var-scope -check-prefixes=GFX900 %s
----------------
arsenm wrote:

```suggestion
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -amdgpu-atomic-optimizer-strategy=DPP < %s | FileCheck -enable-var-scope -check-prefixes=GFX900 %s
```

https://github.com/llvm/llvm-project/pull/186762