[llvm-branch-commits] [llvm] [AMDGPU] Enable atomic optimizer for divergent i64 and double values (PR #96934)

[Vikram Hegde via llvm-branch-commits]

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@@ -178,6 +178,20 @@ bool AMDGPUAtomicOptimizerImpl::run(Function &F) {
   return Changed;
 }
 
+static bool shouldOptimizeForType(Type *Ty) {
+  switch (Ty->getTypeID()) {
+  case Type::FloatTyID:
+  case Type::DoubleTyID:
+    return true;
+  case Type::IntegerTyID: {
+    if (Ty->getIntegerBitWidth() == 32 || Ty->getIntegerBitWidth() == 64)
+      return true;
+  default:
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vikramRH wrote:

Also enabling for half, bfloat etc would require additional legalization support for intrinsics such as update.dpp , set.incactive.lane ....

https://github.com/llvm/llvm-project/pull/96934