X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86MachineFunctionInfo.h;h=092f5b10d21ca48f8c5c92b26158e166d8842c8a;hb=646073b30f09ba58353698432dccf8a3af0ff895;hp=b23a744da686cb893c51b72eafbcd3dea1e923f5;hpb=34b7fde802ac1fcacc41bf3687cfc37e5ccea3f3;p=oota-llvm.git

diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index b23a744da68..092f5b10d21 100644
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -1,4 +1,4 @@
-//===-- X86MachineFuctionInfo.h - X86 machine function info -----*- C++ -*-===//
+//===-- X86MachineFunctionInfo.h - X86 machine function info ----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -30,53 +30,67 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// pointer for reasons other than it containing dynamic allocation or
   /// that FP eliminatation is turned off. For example, Cygwin main function
   /// contains stack pointer re-alignment code which requires FP.
-  bool ForceFramePointer;
+  bool ForceFramePointer = false;
 
   /// RestoreBasePointerOffset - Non-zero if the function has base pointer
   /// and makes call to llvm.eh.sjlj.setjmp. When non-zero, the value is a
   /// displacement from the frame pointer to a slot where the base pointer
   /// is stashed.
-  signed char RestoreBasePointerOffset;
+  signed char RestoreBasePointerOffset = 0;
 
   /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
   /// stack frame in bytes.
-  unsigned CalleeSavedFrameSize;
+  unsigned CalleeSavedFrameSize = 0;
 
   /// BytesToPopOnReturn - Number of bytes function pops on return (in addition
   /// to the space used by the return address).
   /// Used on windows platform for stdcall & fastcall name decoration
-  unsigned BytesToPopOnReturn;
+  unsigned BytesToPopOnReturn = 0;
 
   /// ReturnAddrIndex - FrameIndex for return slot.
-  int ReturnAddrIndex;
+  int ReturnAddrIndex = 0;
+
+  /// \brief FrameIndex for return slot.
+  int FrameAddrIndex = 0;
 
   /// TailCallReturnAddrDelta - The number of bytes by which return address
   /// stack slot is moved as the result of tail call optimization.
-  int TailCallReturnAddrDelta;
+  int TailCallReturnAddrDelta = 0;
 
   /// SRetReturnReg - Some subtargets require that sret lowering includes
   /// returning the value of the returned struct in a register. This field
   /// holds the virtual register into which the sret argument is passed.
-  unsigned SRetReturnReg;
+  unsigned SRetReturnReg = 0;
 
   /// GlobalBaseReg - keeps track of the virtual register initialized for
   /// use as the global base register. This is used for PIC in some PIC
   /// relocation models.
-  unsigned GlobalBaseReg;
+  unsigned GlobalBaseReg = 0;
 
   /// VarArgsFrameIndex - FrameIndex for start of varargs area.
-  int VarArgsFrameIndex;
+  int VarArgsFrameIndex = 0;
   /// RegSaveFrameIndex - X86-64 vararg func register save area.
-  int RegSaveFrameIndex;
+  int RegSaveFrameIndex = 0;
   /// VarArgsGPOffset - X86-64 vararg func int reg offset.
-  unsigned VarArgsGPOffset;
+  unsigned VarArgsGPOffset = 0;
   /// VarArgsFPOffset - X86-64 vararg func fp reg offset.
-  unsigned VarArgsFPOffset;
+  unsigned VarArgsFPOffset = 0;
   /// ArgumentStackSize - The number of bytes on stack consumed by the arguments
   /// being passed on the stack.
-  unsigned ArgumentStackSize;
+  unsigned ArgumentStackSize = 0;
   /// NumLocalDynamics - Number of local-dynamic TLS accesses.
-  unsigned NumLocalDynamics;
+  unsigned NumLocalDynamics = 0;
+  /// HasPushSequences - Keeps track of whether this function uses sequences
+  /// of pushes to pass function parameters.
+  bool HasPushSequences = false;
+
+  /// True if the function uses llvm.x86.seh.restoreframe, and it needed a spill
+  /// slot for the frame pointer.
+  bool HasSEHFramePtrSave = false;
+
+  /// The frame index of a stack object containing the original frame pointer
+  /// used to address arguments in a function using a base pointer.
+  int SEHFramePtrSaveIndex = 0;
 
 private:
   /// ForwardedMustTailRegParms - A list of virtual and physical registers
@@ -84,40 +98,16 @@ private:
   SmallVector<ForwardedRegister, 1> ForwardedMustTailRegParms;
 
 public:
-  X86MachineFunctionInfo() : ForceFramePointer(false),
-                             RestoreBasePointerOffset(0),
-                             CalleeSavedFrameSize(0),
-                             BytesToPopOnReturn(0),
-                             ReturnAddrIndex(0),
-                             TailCallReturnAddrDelta(0),
-                             SRetReturnReg(0),
-                             GlobalBaseReg(0),
-                             VarArgsFrameIndex(0),
-                             RegSaveFrameIndex(0),
-                             VarArgsGPOffset(0),
-                             VarArgsFPOffset(0),
-                             ArgumentStackSize(0),
-                             NumLocalDynamics(0) {}
-
-  explicit X86MachineFunctionInfo(MachineFunction &MF)
-    : ForceFramePointer(false),
-      RestoreBasePointerOffset(0),
-      CalleeSavedFrameSize(0),
-      BytesToPopOnReturn(0),
-      ReturnAddrIndex(0),
-      TailCallReturnAddrDelta(0),
-      SRetReturnReg(0),
-      GlobalBaseReg(0),
-      VarArgsFrameIndex(0),
-      RegSaveFrameIndex(0),
-      VarArgsGPOffset(0),
-      VarArgsFPOffset(0),
-      ArgumentStackSize(0),
-      NumLocalDynamics(0) {}
+  X86MachineFunctionInfo() = default;
+
+  explicit X86MachineFunctionInfo(MachineFunction &MF) {}
 
   bool getForceFramePointer() const { return ForceFramePointer;}
   void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
 
+  bool getHasPushSequences() const { return HasPushSequences; }
+  void setHasPushSequences(bool HasPush) { HasPushSequences = HasPush; }
+
   bool getRestoreBasePointer() const { return RestoreBasePointerOffset!=0; }
   void setRestoreBasePointer(const MachineFunction *MF);
   int getRestoreBasePointerOffset() const {return RestoreBasePointerOffset; }
@@ -131,6 +121,9 @@ public:
   int getRAIndex() const { return ReturnAddrIndex; }
   void setRAIndex(int Index) { ReturnAddrIndex = Index; }
 
+  int getFAIndex() const { return FrameAddrIndex; }
+  void setFAIndex(int Index) { FrameAddrIndex = Index; }
+
   int getTCReturnAddrDelta() const { return TailCallReturnAddrDelta; }
   void setTCReturnAddrDelta(int delta) {TailCallReturnAddrDelta = delta;}
 
@@ -158,6 +151,12 @@ public:
   unsigned getNumLocalDynamicTLSAccesses() const { return NumLocalDynamics; }
   void incNumLocalDynamicTLSAccesses() { ++NumLocalDynamics; }
 
+  bool getHasSEHFramePtrSave() const { return HasSEHFramePtrSave; }
+  void setHasSEHFramePtrSave(bool V) { HasSEHFramePtrSave = V; }
+
+  int getSEHFramePtrSaveIndex() const { return SEHFramePtrSaveIndex; }
+  void setSEHFramePtrSaveIndex(int Index) { SEHFramePtrSaveIndex = Index; }
+
   SmallVectorImpl<ForwardedRegister> &getForwardedMustTailRegParms() {
     return ForwardedMustTailRegParms;
   }