ARM assembly parsing and encoding for VMOV/VMVN/VORR/VBIC.i32.

[oota-llvm.git] / lib / Target / ARM / Thumb1RegisterInfo.h

diff --git a/lib/Target/ARM/Thumb1RegisterInfo.h b/lib/Target/ARM/Thumb1RegisterInfo.h
index 4b1c5776e43171819bd73f79e8140a697ce67b3e..9060e59e59805aaec47de7a9d0f1ba7099d54e5e 100644 (file)
--- a/lib/Target/ARM/Thumb1RegisterInfo.h
+++ b/lib/Target/ARM/Thumb1RegisterInfo.h
@@ -1,4 +1,4 @@
-//===- Thumb1RegisterInfo.h - Thumb-1 Register Information Impl ----*- C++ -*-===//
+//===- Thumb1RegisterInfo.h - Thumb-1 Register Information Impl -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,7 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file contains the Thumb-1 implementation of the TargetRegisterInfo class.
+// This file contains the Thumb-1 implementation of the TargetRegisterInfo
+// class.
 //
 //===----------------------------------------------------------------------===//
 
@@ -27,6 +28,11 @@ struct Thumb1RegisterInfo : public ARMBaseRegisterInfo {
 public:
   Thumb1RegisterInfo(const ARMBaseInstrInfo &tii, const ARMSubtarget &STI);
 
+  const TargetRegisterClass*
+  getLargestLegalSuperClass(const TargetRegisterClass *RC) const;
+
+  const TargetRegisterClass *getPointerRegClass(unsigned Kind = 0) const;
+
   /// emitLoadConstPool - Emits a load from constpool to materialize the
   /// specified immediate.
  void emitLoadConstPool(MachineBasicBlock &MBB,
@@ -34,39 +40,29 @@ public:
                         DebugLoc dl,
                         unsigned DestReg, unsigned SubIdx, int Val,
                         ARMCC::CondCodes Pred = ARMCC::AL,
-                        unsigned PredReg = 0) const;
+                        unsigned PredReg = 0,
+                        unsigned MIFlags = MachineInstr::NoFlags) const;
 
   /// Code Generation virtual methods...
-  const TargetRegisterClass *
-    getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
-
-  bool requiresRegisterScavenging(const MachineFunction &MF) const;
-
-  bool hasReservedCallFrame(MachineFunction &MF) const;
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
 
-  // rewrite MI to access 'Offset' bytes from the FP. Return the offset that
-  // could not be handled directly in MI.
-  int rewriteFrameIndex(MachineInstr &MI, unsigned FrameRegIdx,
-                        unsigned FrameReg, int Offset,
-                        unsigned MOVOpc, unsigned ADDriOpc, unsigned SUBriOpc) const;
-
+  // rewrite MI to access 'Offset' bytes from the FP. Update Offset to be
+  // however much remains to be handled. Return 'true' if no further
+  // work is required.
+  bool rewriteFrameIndex(MachineBasicBlock::iterator II, unsigned FrameRegIdx,
+                         unsigned FrameReg, int &Offset,
+                         const ARMBaseInstrInfo &TII) const;
+  void resolveFrameIndex(MachineBasicBlock::iterator I,
+                         unsigned BaseReg, int64_t Offset) const;
   bool saveScavengerRegister(MachineBasicBlock &MBB,
                              MachineBasicBlock::iterator I,
+                             MachineBasicBlock::iterator &UseMI,
                              const TargetRegisterClass *RC,
                              unsigned Reg) const;
-  void restoreScavengerRegister(MachineBasicBlock &MBB,
-                                MachineBasicBlock::iterator I,
-                                const TargetRegisterClass *RC,
-                                unsigned Reg) const;
   void eliminateFrameIndex(MachineBasicBlock::iterator II,
                            int SPAdj, RegScavenger *RS = NULL) const;
-
-  void emitPrologue(MachineFunction &MF) const;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
 };
 }