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Grab the TargetRegisterInfo off of the subtarget from the

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MachineFunction rather than a lookup on the TargetMachine
to avoid unnecessary lookups.

llvm-svn: 219291
This commit is contained in:
Eric Christopher 2014-10-08 09:50:52 +00:00
parent dbcc2a9fdb
commit d2670a34c9
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -454,7 +454,7 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
// copied into vregs, emit the copies into the top of the block before
// emitting the code for the block.
MachineBasicBlock *EntryMBB = MF->begin();
const TargetRegisterInfo &TRI = *TM.getSubtargetImpl()->getRegisterInfo();
const TargetRegisterInfo &TRI = *MF->getSubtarget().getRegisterInfo();
RegInfo->EmitLiveInCopies(EntryMBB, TRI, *TII);
DenseMap<unsigned, unsigned> LiveInMap;