================
@@ -4225,22 +4225,56 @@ bool SIRegisterInfo::shouldApplyAntiHints(
return true;
}
+// Returns true if Reg fits within the current occupancy VGPR budget.
+bool SIRegisterInfo::isRegWithinOccupancyBudget(
+ MCPhysReg Reg, unsigned NumVGPRs, unsigned NumAGPRs,
+ unsigned MaxVGPRsForCurrentOccupancy) const {
+ const TargetRegisterClass *RC = getPhysRegBaseClass(Reg);
+
+ // No VGPR or AGPR usage.
+ if (!RC || (!isVGPRClass(RC) && !isAGPRClass(RC)))
----------------
arsenm wrote:
hasVectorRegisters(RC)?
https://github.com/llvm/llvm-project/pull/218074
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