TargetInstrDesc::isRematerializable flag, so it isn't necessary to do
this check in its callers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83671
91177308-0d34-0410-b5e6-
96231b3b80d8
// If the target-specific rules don't identify an instruction as
// being trivially rematerializable, use some target-independent
// rules.
- if (!MI->getDesc().isRematerializable() ||
- !tii_->isTriviallyReMaterializable(MI)) {
+ if (!tii_->isTriviallyReMaterializable(MI)) {
if (!EnableAggressiveRemat)
return false;
bool MachineInstr::isSafeToReMat(const TargetInstrInfo *TII,
unsigned DstReg) const {
bool SawStore = false;
- if (!getDesc().isRematerializable() ||
- !TII->isTriviallyReMaterializable(this) ||
+ if (!TII->isTriviallyReMaterializable(this) ||
!isSafeToMove(TII, SawStore))
return false;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
// FIXME: For now, only hoist re-materilizable instructions. LICM will
// increase register pressure. We want to make sure it doesn't increase
// spilling.
- if (!TID.isRematerializable() || !TII->isTriviallyReMaterializable(&MI))
+ if (!TII->isTriviallyReMaterializable(&MI))
return false;
// If result(s) of this instruction is used by PHIs, then don't hoist it.
const TargetInstrDesc &TID = DefMI->getDesc();
if (!TID.isAsCheapAsAMove())
return false;
- if (!DefMI->getDesc().isRematerializable() ||
- !tii_->isTriviallyReMaterializable(DefMI))
+ if (!tii_->isTriviallyReMaterializable(DefMI))
return false;
bool SawStore = false;
if (!DefMI->isSafeToMove(tii_, SawStore))