================
@@ -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()) {
----------------
kerbowa wrote:
Should VGPR critical/excess limits also be updated to reflect that you never
want to allocate a new block? In this case it will be treated as if it's as bad
as spilling.
https://github.com/llvm/llvm-project/pull/130047
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