[llvm] [AMDGPU][LTO] Assume closed world after linking (PR #105845)

[Shilei Tian via llvm-commits]

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@@ -760,8 +760,11 @@ void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
         // module is partitioned for codegen.
         if (EnableLowerModuleLDS)
           PM.addPass(AMDGPULowerModuleLDSPass(*this));
+
+        AMDGPUAttributorOptions Opts;
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shiltian wrote:

Bring these into the `if` block.

https://github.com/llvm/llvm-project/pull/105845