Update LLVM for rebase to r212749.

Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls

Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18

1 files changed, 10 insertions, 17 deletions

diff --git a/lib/Target/AArch64/AArch64TargetMachine.h b/lib/Target/AArch64/AArch64TargetMachine.h
index 079b19b..852cb3f 100644
--- a/lib/Target/AArch64/AArch64TargetMachine.h
+++ b/lib/Target/AArch64/AArch64TargetMachine.h
@@ -15,13 +15,9 @@
 #define AArch64TARGETMACHINE_H
 
 #include "AArch64InstrInfo.h"
-#include "AArch64ISelLowering.h"
 #include "AArch64Subtarget.h"
-#include "AArch64FrameLowering.h"
-#include "AArch64SelectionDAGInfo.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/MC/MCStreamer.h"
 
 namespace llvm {
 
@@ -29,13 +25,6 @@ class AArch64TargetMachine : public LLVMTargetMachine {
 protected:
   AArch64Subtarget Subtarget;
 
-private:
-  const DataLayout DL;
-  AArch64InstrInfo InstrInfo;
-  AArch64TargetLowering TLInfo;
-  AArch64FrameLowering FrameLowering;
-  AArch64SelectionDAGInfo TSInfo;
-
 public:
   AArch64TargetMachine(const Target &T, StringRef TT, StringRef CPU,
                        StringRef FS, const TargetOptions &Options,
@@ -46,18 +35,22 @@ public:
     return &Subtarget;
   }
   const AArch64TargetLowering *getTargetLowering() const override {
-    return &TLInfo;
+    return getSubtargetImpl()->getTargetLowering();
+  }
+  const DataLayout *getDataLayout() const override {
+    return getSubtargetImpl()->getDataLayout();
   }
-  const DataLayout *getDataLayout() const override { return &DL; }
   const AArch64FrameLowering *getFrameLowering() const override {
-    return &FrameLowering;
+    return getSubtargetImpl()->getFrameLowering();
+  }
+  const AArch64InstrInfo *getInstrInfo() const override {
+    return getSubtargetImpl()->getInstrInfo();
   }
-  const AArch64InstrInfo *getInstrInfo() const override { return &InstrInfo; }
   const AArch64RegisterInfo *getRegisterInfo() const override {
-    return &InstrInfo.getRegisterInfo();
+    return &getInstrInfo()->getRegisterInfo();
   }
   const AArch64SelectionDAGInfo *getSelectionDAGInfo() const override {
-    return &TSInfo;
+    return getSubtargetImpl()->getSelectionDAGInfo();
   }
 
   // Pass Pipeline Configuration