Adjust to new TargetMachine interface

llvm-svn: 13956
diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp
index 5cec9e9..8fc687d 100644
--- a/llvm/lib/CodeGen/VirtRegMap.cpp
+++ b/llvm/lib/CodeGen/VirtRegMap.cpp
@@ -191,7 +191,7 @@
         bool runOnMachineFunction(MachineFunction& mf, const VirtRegMap& vrm) {
             mf_ = &mf;
             tm_ = &mf_->getTarget();
-            tii_ = &tm_->getInstrInfo();
+            tii_ = tm_->getInstrInfo();
             mri_ = tm_->getRegisterInfo();
             vrm_ = &vrm;
             p2vMap_.assign(mri_->getNumRegs(), 0);