[llvm] [CodeGen][AMDGPU] Remove premature empty subrange elimination (PR #201263)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,40 @@
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a %s -o /dev/null
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arsenm wrote:

Generate checks, avoid checkless tests 

https://github.com/llvm/llvm-project/pull/201263