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-rw-r--r--contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
index 446adfc..34b8ab0 100644
--- a/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -36,7 +36,7 @@ ScheduleDAGInstrs::ScheduleDAGInstrs(MachineFunction &mf,
const MachineDominatorTree &mdt)
: ScheduleDAG(mf), MLI(mli), MDT(mdt), MFI(mf.getFrameInfo()),
InstrItins(mf.getTarget().getInstrItineraryData()),
- Defs(TRI->getNumRegs()), Uses(TRI->getNumRegs()),
+ Defs(TRI->getNumRegs()), Uses(TRI->getNumRegs()),
LoopRegs(MLI, MDT), FirstDbgValue(0) {
DbgValues.clear();
}
@@ -134,6 +134,7 @@ static const Value *getUnderlyingObjectForInstr(const MachineInstr *MI,
}
void ScheduleDAGInstrs::StartBlock(MachineBasicBlock *BB) {
+ LoopRegs.Deps.clear();
if (MachineLoop *ML = MLI.getLoopFor(BB))
if (BB == ML->getLoopLatch()) {
MachineBasicBlock *Header = ML->getHeader();
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