================
@@ -1452,6 +1452,16 @@ bool GCNSchedStage::shouldRevertScheduling(unsigned 
WavesAfter) {
   if (WavesAfter < DAG.MinOccupancy)
     return true;
 
+  // For dynamic VGPR mode, we don't want to waste any VGPR blocks.
+  if (ST.isDynamicVGPREnabled()) {
----------------
rovka wrote:

Probably, but that's a bigger change and I thought I'd like some real world 
performance numbers for that.

https://github.com/llvm/llvm-project/pull/130047
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