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-rw-r--r--lib/CodeGen/MachineLICM.cpp11
1 files changed, 2 insertions, 9 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index 0a9f720..10ee8d6 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -276,18 +276,11 @@ static bool HasOnlyPHIUses(unsigned Reg, MachineRegisterInfo *RegInfo) {
bool MachineLICM::IsProfitableToHoist(MachineInstr &MI) {
const TargetInstrDesc &TID = MI.getDesc();
- bool isInvLoad = false;
- if (TID.mayLoad()) {
- isInvLoad = TII->isInvariantLoad(&MI);
- if (!isInvLoad)
- return false;
- }
-
// FIXME: For now, only hoist re-materilizable instructions. LICM will
// increase register pressure. We want to make sure it doesn't increase
// spilling.
- if (!isInvLoad && (!TID.isRematerializable() ||
- !TII->isTriviallyReMaterializable(&MI)))
+ if (!TID.mayLoad() && (!TID.isRematerializable() ||
+ !TII->isTriviallyReMaterializable(&MI)))
return false;
if (!TID.isAsCheapAsAMove())