[llvm] [AMDGPU] Try to reuse in v_cndmask register with constant from compare. (PR #131146)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,171 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs  < %s | FileCheck %s -check-prefix=GFX9
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 -verify-machineinstrs  < %s | FileCheck %s -check-prefix=GFX10
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arsenm wrote:

```suggestion
; RUN: llc -mtriple=amdgcn -mcpu=gfx900  < %s | FileCheck %s -check-prefix=GFX9
; RUN: llc -mtriple=amdgcn -mcpu=gfx1030  < %s | FileCheck %s -check-prefix=GFX10
```

https://github.com/llvm/llvm-project/pull/131146