[llvm] [AMDGPU][LTO] Introduce AMDGPUCloneModuleLDS (PR #89683)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,59 @@
+; RUN: opt -passes=amdgpu-clone-module-lds %s -S | FileCheck %s
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arsenm wrote:

this isn't used llvm-split 

https://github.com/llvm/llvm-project/pull/89683