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Pass LiveQueryResult by value

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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
This commit is contained in:
Matthias Braun
2013-10-10 21:28:52 +00:00
parent 87a86058fa
commit 5649e25ce8
10 changed files with 125 additions and 117 deletions
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lib/CodeGen/ScheduleDAGInstrs.cpp
+2 -1
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@@ -415,7 +415,8 @@ void ScheduleDAGInstrs::addVRegUseDeps(SUnit *SU, unsigned OperIdx) {
// Lookup this operand's reaching definition.
assert(LIS && "vreg dependencies requires LiveIntervals");
LiveRangeQuery LRQ(LIS->getInterval(Reg), LIS->getInstructionIndex(MI));
LiveQueryResult LRQ
= LIS->getInterval(Reg).Query(LIS->getInstructionIndex(MI));
VNInfo *VNI = LRQ.valueIn();
// VNI will be valid because MachineOperand::readsReg() is checked by caller.