[llvm] [AMDGPU] Reset kill flags for multiple uses of SDWAInst Ops (PR #97135)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,194 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -stop-after=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck %s
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arsenm wrote:

```suggestion
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -stop-after=si-peephole-sdwa -o - %s | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/97135