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

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp
index 260eacdca6..2f273a3fd3 100644
--- a/lib/CodeGen/RegisterPressure.cpp
+++ b/lib/CodeGen/RegisterPressure.cpp
@@ -513,7 +513,7 @@ bool RegPressureTracker::recede(SmallVectorImpl<unsigned> *LiveUses,
         const LiveInterval *LI = getInterval(Reg);
         // Check if this LR is killed and not redefined here.
         if (LI) {
-          LiveRangeQuery LRQ(*LI, SlotIdx);
+          LiveQueryResult LRQ = LI->Query(SlotIdx);
           if (!LRQ.isKill() && !LRQ.valueDefined())
             discoverLiveOut(Reg);
         }
@@ -571,7 +571,7 @@ bool RegPressureTracker::advance() {
     bool lastUse = false;
     if (RequireIntervals) {
       const LiveInterval *LI = getInterval(Reg);
-      lastUse = LI && LiveRangeQuery(*LI, SlotIdx).isKill();
+      lastUse = LI && LI->Query(SlotIdx).isKill();
     }
     else {
       // Allocatable physregs are always single-use before register rewriting.
@@ -896,7 +896,7 @@ void RegPressureTracker::bumpDownwardPressure(const MachineInstr *MI) {
       SlotIndex CurrIdx = getCurrSlot();
       const LiveInterval *LI = getInterval(Reg);
       if (LI) {
-        LiveRangeQuery LRQ(*LI, SlotIdx);
+        LiveQueryResult LRQ = LI->Query(SlotIdx);
         if (LRQ.isKill() && !findUseBetween(Reg, CurrIdx, SlotIdx, MRI, LIS))
           decreaseRegPressure(Reg);
       }