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

[Jay Foad via llvm-branch-commits]

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@@ -313,8 +327,7 @@ void 
AMDGPUAtomicOptimizerImpl::visitIntrinsicInst(IntrinsicInst &I) {
   // value to the atomic calculation. We can only optimize divergent values if
   // we have DPP available on our subtarget, and the atomic operation is 32
   // bits.
-  if (ValDivergent &&
-      (!ST->hasDPP() || DL->getTypeSizeInBits(I.getType()) != 32)) {
+  if (ValDivergent && (!ST->hasDPP() || !isOptimizableAtomic(I.getType()))) {
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jayfoad wrote:

Same here.

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