Refactor the AddrMode class out of TLI to its own header file.

This class is used by LSR and a number of places in the codegen.
This is the first step in de-coupling LSR from TLI, and creating
a new interface in between them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165455 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 44 insertions, 17 deletions

diff --git a/include/llvm/AddressingMode.h b/include/llvm/AddressingMode.h
new file mode 100644
index 0000000000..2b6d6ed33c
--- /dev/null
+++ b/include/llvm/AddressingMode.h
@@ -0,0 +1,41 @@
+//===--------- llvm/AddressingMode.h - Addressing Mode    -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//  This file contains addressing mode data structures which are shared
+//  between LSR and a number of places in the codegen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ADDRESSING_MODE_H
+#define LLVM_ADDRESSING_MODE_H
+
+#include <sys/types.h>
+
+namespace llvm {
+
+class GlobalValue;
+
+/// AddrMode - This represents an addressing mode of:
+///    BaseGV + BaseOffs + BaseReg + Scale*ScaleReg
+/// If BaseGV is null,  there is no BaseGV.
+/// If BaseOffs is zero, there is no base offset.
+/// If HasBaseReg is false, there is no base register.
+/// If Scale is zero, there is no ScaleReg.  Scale of 1 indicates a reg with
+/// no scale.
+///
+struct AddrMode {
+  GlobalValue *BaseGV;
+  int64_t      BaseOffs;
+  bool         HasBaseReg;
+  int64_t      Scale;
+  AddrMode() : BaseGV(0), BaseOffs(0), HasBaseReg(false), Scale(0) {}
+};
+
+} // End llvm namespace
+
+#endif
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index 4ea1fb5a4c..88bece3179 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -22,6 +22,7 @@
 #ifndef LLVM_TARGET_TARGETLOWERING_H
 #define LLVM_TARGET_TARGETLOWERING_H
 
+#include "llvm/AddressingMode.h"
 #include "llvm/CallingConv.h"
 #include "llvm/InlineAsm.h"
 #include "llvm/Attributes.h"
@@ -1632,22 +1633,6 @@ public:
   // Addressing mode description hooks (used by LSR etc).
   //
 
-  /// AddrMode - This represents an addressing mode of:
-  ///    BaseGV + BaseOffs + BaseReg + Scale*ScaleReg
-  /// If BaseGV is null,  there is no BaseGV.
-  /// If BaseOffs is zero, there is no base offset.
-  /// If HasBaseReg is false, there is no base register.
-  /// If Scale is zero, there is no ScaleReg.  Scale of 1 indicates a reg with
-  /// no scale.
-  ///
-  struct AddrMode {
-    GlobalValue *BaseGV;
-    int64_t      BaseOffs;
-    bool         HasBaseReg;
-    int64_t      Scale;
-    AddrMode() : BaseGV(0), BaseOffs(0), HasBaseReg(false), Scale(0) {}
-  };
-
   /// GetAddrModeArguments - CodeGenPrepare sinks address calculations into the
   /// same BB as Load/Store instructions reading the address.  This allows as
   /// much computation as possible to be done in the address mode for that
diff --git a/include/llvm/Transforms/Utils/AddrModeMatcher.h b/include/llvm/Transforms/Utils/AddrModeMatcher.h
index 90485eb4c6..7d672839a6 100644
--- a/include/llvm/Transforms/Utils/AddrModeMatcher.h
+++ b/include/llvm/Transforms/Utils/AddrModeMatcher.h
@@ -19,6 +19,7 @@
 #ifndef LLVM_TRANSFORMS_UTILS_ADDRMODEMATCHER_H
 #define LLVM_TRANSFORMS_UTILS_ADDRMODEMATCHER_H
 
+#include "llvm/AddressingMode.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Target/TargetLowering.h"
 
@@ -33,7 +34,7 @@ class raw_ostream;
 
 /// ExtAddrMode - This is an extended version of TargetLowering::AddrMode
 /// which holds actual Value*'s for register values.
-struct ExtAddrMode : public TargetLowering::AddrMode {
+struct ExtAddrMode : public AddrMode {
   Value *BaseReg;
   Value *ScaledReg;
   ExtAddrMode() : BaseReg(0), ScaledReg(0) {}