Pass LiveQueryResult by value
This makes the API a bit more natural to use and makes it easier to make
LiveRanges implementation details private.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192394 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 764adaf..3144dfe 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -610,7 +610,7 @@
if (I == BB->end())
VNI = LI.getVNInfoBefore(LIS->getMBBEndIdx(BB));
else {
- LiveRangeQuery LRQ(LI, LIS->getInstructionIndex(I));
+ LiveQueryResult LRQ = LI.Query(LIS->getInstructionIndex(I));
VNI = LRQ.valueIn();
}
// RegisterPressureTracker guarantees that readsReg is true for LiveUses.
@@ -623,7 +623,8 @@
// If this use comes before the reaching def, it cannot be a last use, so
// descrease its pressure change.
if (!SU->isScheduled && SU != &ExitSU) {
- LiveRangeQuery LRQ(LI, LIS->getInstructionIndex(SU->getInstr()));
+ LiveQueryResult LRQ
+ = LI.Query(LIS->getInstructionIndex(SU->getInstr()));
if (LRQ.valueIn() == VNI)
getPressureDiff(SU).addPressureChange(Reg, true, &MRI);
}
@@ -800,7 +801,8 @@
continue;
// Only consider uses of the phi.
- LiveRangeQuery LRQ(LI, LIS->getInstructionIndex(UI->SU->getInstr()));
+ LiveQueryResult LRQ =
+ LI.Query(LIS->getInstructionIndex(UI->SU->getInstr()));
if (!LRQ.valueIn()->isPHIDef())
continue;