Remove the TargetMachine forwards for TargetSubtargetInfo based
information and update all callers. No functional change.

llvm-svn: 214781
diff --git a/llvm/lib/Target/R600/SILowerControlFlow.cpp b/llvm/lib/Target/R600/SILowerControlFlow.cpp
index 75b5a5e..2739fff 100644
--- a/llvm/lib/Target/R600/SILowerControlFlow.cpp
+++ b/llvm/lib/Target/R600/SILowerControlFlow.cpp
@@ -49,6 +49,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPU.h"
+#include "AMDGPUSubtarget.h"
 #include "SIInstrInfo.h"
 #include "SIMachineFunctionInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
@@ -442,8 +443,10 @@
 }
 
 bool SILowerControlFlowPass::runOnMachineFunction(MachineFunction &MF) {
-  TII = static_cast<const SIInstrInfo*>(MF.getTarget().getInstrInfo());
-  TRI = static_cast<const SIRegisterInfo*>(MF.getTarget().getRegisterInfo());
+  TII = static_cast<const SIInstrInfo *>(
+      MF.getTarget().getSubtargetImpl()->getInstrInfo());
+  TRI = static_cast<const SIRegisterInfo *>(
+      MF.getTarget().getSubtargetImpl()->getRegisterInfo());
   SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
 
   bool HaveKill = false;