Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp
index add861a..56ecde0 100644
--- a/lib/CodeGen/CallingConvLower.cpp
+++ b/lib/CodeGen/CallingConvLower.cpp
@@ -19,16 +19,15 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace llvm;
 
 CCState::CCState(CallingConv::ID CC, bool isVarArg, MachineFunction &mf,
-                 const TargetMachine &tm, SmallVectorImpl<CCValAssign> &locs,
-                 LLVMContext &C)
-  : CallingConv(CC), IsVarArg(isVarArg), MF(mf), TM(tm),
-    TRI(*TM.getRegisterInfo()), Locs(locs), Context(C),
-    CallOrPrologue(Unknown) {
+                 SmallVectorImpl<CCValAssign> &locs, LLVMContext &C)
+    : CallingConv(CC), IsVarArg(isVarArg), MF(mf),
+      TRI(*MF.getSubtarget().getRegisterInfo()), Locs(locs), Context(C),
+      CallOrPrologue(Unknown) {
   // No stack is used.
   StackOffset = 0;
 
@@ -50,7 +49,8 @@
   if (MinAlign > (int)Align)
     Align = MinAlign;
   MF.getFrameInfo()->ensureMaxAlignment(Align);
-  TM.getTargetLowering()->HandleByVal(this, Size, Align);
+  MF.getSubtarget().getTargetLowering()->HandleByVal(this, Size, Align);
+  Size = unsigned(RoundUpToAlignment(Size, MinAlign));
   unsigned Offset = AllocateStack(Size, Align);
   addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
 }