X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsFrameLowering.h;h=5eabd58e8686a0350e4c300d668ab02b356bce30;hb=fd8928ded9fa74d7127d4277440d5928145ebc7e;hp=f42711da841dff1623d0561e44b0403a25bf9bf2;hpb=17a1e8775119db75ece41e041eeb6480793696ff;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsFrameLowering.h b/lib/Target/Mips/MipsFrameLowering.h
index f42711da841..5eabd58e868 100644
--- a/lib/Target/Mips/MipsFrameLowering.h
+++ b/lib/Target/Mips/MipsFrameLowering.h
@@ -1,4 +1,4 @@
-//==--- MipsFrameLowering.h - Define frame lowering for Mips --*- C++ -*---===//
+//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,11 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef MIPS_FRAMEINFO_H
-#define MIPS_FRAMEINFO_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
+#define LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
 
 #include "Mips.h"
-#include "MipsSubtarget.h"
 #include "llvm/Target/TargetFrameLowering.h"
 
 namespace llvm {
@@ -26,25 +25,30 @@ protected:
   const MipsSubtarget &STI;
 
 public:
-  explicit MipsFrameLowering(const MipsSubtarget &sti)
-    // FIXME: Is this correct at all?
-    : TargetFrameLowering(StackGrowsUp, 8, 0), STI(sti) {
-  }
+  explicit MipsFrameLowering(const MipsSubtarget &sti, unsigned Alignment)
+    : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {}
 
-  void adjustMipsStackFrame(MachineFunction &MF) const;
+  static const MipsFrameLowering *create(const MipsSubtarget &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;
+  bool hasFP(const MachineFunction &MF) const override;
 
-  bool hasFP(const MachineFunction &MF) const;
+  bool hasBP(const MachineFunction &MF) const;
 
-  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                            RegScavenger *RS) const;
-  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
+  bool isFPCloseToIncomingSP() const override { return false; }
+
+  void
+  eliminateCallFramePseudoInstr(MachineFunction &MF,
+                                MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator I) const override;
+
+protected:
+  uint64_t estimateStackSize(const MachineFunction &MF) const;
 };
 
+/// Create MipsFrameLowering objects.
+const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
+const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
+
 } // End llvm namespace
 
 #endif