[clang] [llvm] [DirectX] Remove trivially dead functions at linkage finalize (PR #106146)

[Helena Kotas via cfe-commits]

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@@ -0,0 +1,222 @@
+; RUN: opt -S -dxil-finalize-linkage -mtriple=dxil-unknown-shadermodel6.5-compute %s | FileCheck %s
+; RUN: llc %s --filetype=asm -o - | FileCheck %s
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hekota wrote:

Shouldn't the exported functions stay in the module when it is compiled as a library, even though they are not called?

https://github.com/llvm/llvm-project/pull/106146