Rebased PNaCl localmods in LLVM to 223109

lib/Target/ARM/ARMNaClRewritePass.h

+//===-- ARMNaClRewritePass.h - NaCl Sandboxing Pass    ------- --*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef TARGET_ARMNACLREWRITEPASS_H
+#define TARGET_ARMNACLREWRITEPASS_H
+
+#include "llvm/MC/MCNaCl.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/CodeGen/MachineInstr.h"
+
+namespace ARM_SFI {
+
+bool IsStackChange(const llvm::MachineInstr &MI,
+                   const llvm::TargetRegisterInfo *TRI);
+bool IsSandboxedStackChange(const llvm::MachineInstr &MI);
+bool NeedSandboxStackChange(const llvm::MachineInstr &MI,
+                               const llvm::TargetRegisterInfo *TRI);
+
+} // namespace ARM_SFI
+
+#endif