[X86] Lower SEXTLOAD using SIGN_EXTEND_VECTOR_INREG. NCI.

[oota-llvm.git] / lib / Target / X86 / X86FrameLowering.h

diff --git a/lib/Target/X86/X86FrameLowering.h b/lib/Target/X86/X86FrameLowering.h
index 3fa64b310854730784bcdbfcbe6f99a25d3f1083..94b80613c35bf9780b8e536676794eac6a2db99b 100644 (file)
--- a/lib/Target/X86/X86FrameLowering.h
+++ b/lib/Target/X86/X86FrameLowering.h
@@ -31,7 +31,7 @@ public:
 
   const X86Subtarget &STI;
   const TargetInstrInfo &TII;
-  const X86RegisterInfo *RegInfo;
+  const X86RegisterInfo *TRI;
 
   unsigned SlotSize;
 
@@ -68,8 +68,8 @@ public:
   void adjustForHiPEPrologue(MachineFunction &MF,
                              MachineBasicBlock &PrologueMBB) const override;
 
-  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                     RegScavenger *RS = nullptr) const override;
+  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
+                            RegScavenger *RS = nullptr) const override;
 
   bool
   assignCalleeSavedSpillSlots(MachineFunction &MF,
@@ -91,11 +91,9 @@ public:
   bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override;
   bool needsFrameIndexResolution(const MachineFunction &MF) const override;
 
-  int getFrameIndexOffset(const MachineFunction &MF, int FI) const override;
   int getFrameIndexReference(const MachineFunction &MF, int FI,
                              unsigned &FrameReg) const override;
 
-  int getFrameIndexOffsetFromSP(const MachineFunction &MF, int FI) const;
   int getFrameIndexReferenceFromSP(const MachineFunction &MF, int FI,
                                    unsigned &FrameReg) const override;
 
@@ -146,11 +144,23 @@ private:
                           MachineBasicBlock::iterator MBBI, DebugLoc DL,
                           uint64_t MaxAlign) const;
 
+  /// Make small positive stack adjustments using POPs.
+  bool adjustStackWithPops(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MBBI, DebugLoc DL,
+                           int Offset) const;
+
   /// Adjusts the stack pointer using LEA, SUB, or ADD.
   MachineInstrBuilder BuildStackAdjustment(MachineBasicBlock &MBB,
                                            MachineBasicBlock::iterator MBBI,
                                            DebugLoc DL, int64_t Offset,
                                            bool InEpilogue) const;
+
+  /// Sets up EBP and optionally ESI based on the incoming EBP value.  Only
+  /// needed for 32-bit. Used in funclet prologues and at catchret destinations.
+  MachineBasicBlock::iterator
+  restoreWin32EHStackPointers(MachineBasicBlock &MBB,
+                              MachineBasicBlock::iterator MBBI, DebugLoc DL,
+                              bool RestoreSP = false) const;
 };
 
 } // End llvm namespace