[llvm] [AMDGPU][PromoteAlloca] Whole-function alloca promotion to vector (PR #84735)

[Matt Arsenault via llvm-commits]

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@@ -724,14 +808,6 @@ bool AMDGPUPromoteAllocaImpl::tryPromoteAllocaToVector(AllocaInst &Alloca) {
       continue;
     }
 
-    if (isa<BitCastInst>(Inst)) {
-      // Look through bitcasts.
-      for (Use &U : Inst->uses())
-        Uses.push_back(&U);
-      UsersToRemove.push_back(Inst);
-      continue;
-    }
-
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arsenm wrote:

Pre-commit the drop of bitcast handling in existing code 

https://github.com/llvm/llvm-project/pull/84735