Update aosp/master LLVM for rebase to r230699.

Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
diff --git a/lib/CodeGen/MachineTraceMetrics.cpp b/lib/CodeGen/MachineTraceMetrics.cpp
index 2cf87eb..8aacd1f 100644
--- a/lib/CodeGen/MachineTraceMetrics.cpp
+++ b/lib/CodeGen/MachineTraceMetrics.cpp
@@ -52,12 +52,11 @@
 
 bool MachineTraceMetrics::runOnMachineFunction(MachineFunction &Func) {
   MF = &Func;
-  TII = MF->getSubtarget().getInstrInfo();
-  TRI = MF->getSubtarget().getRegisterInfo();
+  const TargetSubtargetInfo &ST = MF->getSubtarget();
+  TII = ST.getInstrInfo();
+  TRI = ST.getRegisterInfo();
   MRI = &MF->getRegInfo();
   Loops = &getAnalysis<MachineLoopInfo>();
-  const TargetSubtargetInfo &ST =
-    MF->getTarget().getSubtarget<TargetSubtargetInfo>();
   SchedModel.init(ST.getSchedModel(), &ST, TII);
   BlockInfo.resize(MF->getNumBlockIDs());
   ProcResourceCycles.resize(MF->getNumBlockIDs() *