================
@@ -1153,8 +1159,7 @@ DemandedVL
RISCVVLOptimizerImpl::getMinimumVLForUser(const MachineInstr &UserMI,
if (RISCV::isVLKnownLE(*MRI, DemandedVLs.lookup(&UserMI).VL, VLOp))
MinimumVL = DemandedVLs.lookup(&UserMI);
- if ((IsVUNZIP && UserOp.getOperandNo() == 2) ||
- (IsVZIP && UserOp.getOperandNo() == 4))
+ if (IsVUNZIP && UserOp.getOperandNo() == 2)
----------------
renndong wrote:
It's a good idea to halve the demanded vl and I think it's possible. I have
implement this in new commit.
https://github.com/llvm/llvm-project/pull/210603
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