[PATCH] D109707: [HIP] [AlwaysInliner] Disable AlwaysInliner to eliminate undefined symbols

Anshil Gandhi via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Oct 20 10:59:06 PDT 2021


gandhi21299 added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.cpp:67
+  if (auto *GA = dyn_cast<GlobalAlias>(Op.getGlobal()))
+    return cast<Function>(GA->getOperand(0));
   return cast<Function>(Op.getGlobal());
----------------
arsenm wrote:
> I thought aliases could include embedded bitcasts of the function type, so the function wouldn't directly appear here
Can you please elaborate on "include embedded bitcasts of the function type"? It's a consequence of the AlwaysInliner where the callee gets replaced by the alias to a function, ie. @func_alias gets replaced by @func in the inline-calls.ll test.


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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109707/new/

https://reviews.llvm.org/D109707



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