[mips] Add assembler support for the "la $reg,symbol" pseudo-instruction.

[oota-llvm.git] / lib / Target / Mips / MipsFrameLowering.h

diff --git a/lib/Target/Mips/MipsFrameLowering.h b/lib/Target/Mips/MipsFrameLowering.h
index 34647df4f354a59b6028f57d144a4881e7f9c723..90a8d2af63b27d552288a4b0b6f561d4f3c7f94a 100644 (file)
--- 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 {
@@ -26,23 +25,21 @@ 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;
-
-  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
+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