[llvm-branch-commits] [llvm] [AMDGPU] Remove dead function metadata after amdgpu-lower-kernel-arguments (PR #126147)

[Matt Arsenault via llvm-branch-commits]

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@@ -132,6 +132,7 @@ class PreloadKernelArgInfo {
     NF->setAttributes(AL);
     F.replaceAllUsesWith(NF);
     F.setCallingConv(CallingConv::C);
+    F.clearMetadata();
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arsenm wrote:

This should be more targeted. This is going to lose useful information, like 
`!reqd_work_group_size`

https://github.com/llvm/llvm-project/pull/126147
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