From d2670a34c9767a614bce2a9c25c92d9e8be0e35e Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Wed, 8 Oct 2014 09:50:52 +0000
Subject: [PATCH] Grab the TargetRegisterInfo off of the subtarget from the
 MachineFunction rather than a lookup on the TargetMachine to avoid
 unnecessary lookups.

llvm-svn: 219291
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 628ea626ee89..006f3e0143a5 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -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;