Make a bunch of static arrays const.

[oota-llvm.git] / lib / Target / Sparc / SparcFrameLowering.h

diff --git a/lib/Target/Sparc/SparcFrameLowering.h b/lib/Target/Sparc/SparcFrameLowering.h
index 4a3cef703ff4acf2a1401a563334ad1447eb0443..cbb4dc04fc236212ac222ac7a57606aaaee2de7a 100644 (file)
--- a/lib/Target/Sparc/SparcFrameLowering.h
+++ b/lib/Target/Sparc/SparcFrameLowering.h
@@ -11,35 +11,56 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SPARC_FRAMEINFO_H
-#define SPARC_FRAMEINFO_H
+#ifndef LLVM_LIB_TARGET_SPARC_SPARCFRAMELOWERING_H
+#define LLVM_LIB_TARGET_SPARC_SPARCFRAMELOWERING_H
 
 #include "Sparc.h"
-#include "SparcSubtarget.h"
 #include "llvm/Target/TargetFrameLowering.h"
 
 namespace llvm {
-  class SparcSubtarget;
 
+class SparcSubtarget;
 class SparcFrameLowering : public TargetFrameLowering {
-  const SparcSubtarget &SubTarget;
 public:
-  explicit SparcFrameLowering(const SparcSubtarget &ST)
-    : TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
-                          ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8),
-      SubTarget(ST) {}
+  explicit SparcFrameLowering(const SparcSubtarget &ST);
 
   /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
   /// the function.
-  void emitPrologue(MachineFunction &MF) const;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
 
-  void eliminateCallFramePseudoInstr(MachineFunction &MF,
-                                     MachineBasicBlock &MBB,
-                                     MachineBasicBlock::iterator I) const;
+  void
+  eliminateCallFramePseudoInstr(MachineFunction &MF,
+                                MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator I) const override;
+
+  bool hasReservedCallFrame(const MachineFunction &MF) const override;
+  bool hasFP(const MachineFunction &MF) const override;
+  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
+                            RegScavenger *RS = nullptr) const override;
+
+  int getFrameIndexReference(const MachineFunction &MF, int FI,
+                             unsigned &FrameReg) const override;
+
+  /// targetHandlesStackFrameRounding - Returns true if the target is
+  /// responsible for rounding up the stack frame (probably at emitPrologue
+  /// time).
+  bool targetHandlesStackFrameRounding() const override { return true; }
+
+private:
+  // Remap input registers to output registers for leaf procedure.
+  void remapRegsForLeafProc(MachineFunction &MF) const;
+
+  // Returns true if MF is a leaf procedure.
+  bool isLeafProc(MachineFunction &MF) const;
+
+
+  // Emits code for adjusting SP in function prologue/epilogue.
+  void emitSPAdjustment(MachineFunction &MF,
+                        MachineBasicBlock &MBB,
+                        MachineBasicBlock::iterator MBBI,
+                        int NumBytes, unsigned ADDrr, unsigned ADDri) const;
 
-  bool hasReservedCallFrame(const MachineFunction &MF) const;
-  bool hasFP(const MachineFunction &MF) const;
 };
 
 } // End llvm namespace