[ARM] Add plumbing for GlobalISel

Add GlobalISel skeleton, up to the point where we can select a ret void.

llvm-svn: 286573

1 files changed, 29 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/ARMRegisterBankInfo.h b/llvm/lib/Target/ARM/ARMRegisterBankInfo.h
new file mode 100644
index 00000000000..f58f6df737d
--- /dev/null
+++ b/llvm/lib/Target/ARM/ARMRegisterBankInfo.h
@@ -0,0 +1,29 @@
+//===- ARMRegisterBankInfo ---------------------------------------*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This file declares the targeting of the RegisterBankInfo class for ARM.
+/// \todo This should be generated by TableGen.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_ARM_ARMREGISTERBANKINFO_H
+#define LLVM_LIB_TARGET_ARM_ARMREGISTERBANKINFO_H
+
+#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
+
+namespace llvm {
+
+class TargetRegisterInfo;
+
+/// This class provides the information for the target register banks.
+class ARMRegisterBankInfo final : public RegisterBankInfo {
+public:
+  ARMRegisterBankInfo(const TargetRegisterInfo &TRI);
+};
+} // End llvm namespace.
+#endif