[llvm-commits] [llvm] r90615 - /llvm/trunk/include/llvm/Target/TargetInstrInfo.h

[Chris Lattner]

On Dec 4, 2009, at 3:00 PM, David Greene wrote:

> Author: greened
> Date: Fri Dec  4 17:00:50 2009
> New Revision: 90615
>
> URL: http://llvm.org/viewvc/llvm-project?rev=90615&view=rev
> Log:
>
> Update the TargetInstrInfo interfaces so hasLoad/StoreFrom/ToStackSlot
> can return a MachineMemOperand.

Again, please remove the unneeded #include and just forward declare  
MachineMemOperand as needed.

-Chris

>
> Modified:
>    llvm/trunk/include/llvm/Target/TargetInstrInfo.h
>
> Modified: llvm/trunk/include/llvm/Target/TargetInstrInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetInstrInfo.h?rev=90615&r1=90614&r2=90615&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/Target/TargetInstrInfo.h (original)
> +++ llvm/trunk/include/llvm/Target/TargetInstrInfo.h Fri Dec  4  
> 17:00:50 2009
> @@ -16,6 +16,7 @@
>
> #include "llvm/Target/TargetInstrDesc.h"
> #include "llvm/CodeGen/MachineFunction.h"
> +#include "llvm/CodeGen/MachineMemOperand.h"
>
> namespace llvm {
>
> @@ -182,11 +183,13 @@
>
>   /// hasLoadFromStackSlot - If the specified machine instruction has
>   /// a load from a stack slot, return true along with the FrameIndex
> -  /// of the loaded stack slot.  If not, return false.  Unlike
> +  /// of the loaded stack slot and the machine mem operand containing
> +  /// the reference.  If not, return false.  Unlike
>   /// isLoadFromStackSlot, this returns true for any instructions that
>   /// loads from the stack.  This is just a hint, as some cases may be
>   /// missed.
>   virtual bool hasLoadFromStackSlot(const MachineInstr *MI,
> +                                    const MachineMemOperand *&MMO,
>                                     int &FrameIndex) const {
>     return 0;
>   }
> @@ -205,17 +208,18 @@
>   /// stack locations as well.  This uses a heuristic so it isn't
>   /// reliable for correctness.
>   virtual unsigned isStoreToStackSlotPostFE(const MachineInstr *MI,
> -                                      int &FrameIndex) const {
> +                                            int &FrameIndex) const {
>     return 0;
>   }
>
>   /// hasStoreToStackSlot - If the specified machine instruction has a
>   /// store to a stack slot, return true along with the FrameIndex of
> -  /// the loaded stack slot.  If not, return false.  Unlike
> -  /// isStoreToStackSlot, this returns true for any instructions that
> -  /// loads from the stack.  This is just a hint, as some cases may  
> be
> -  /// missed.
> +  /// the loaded stack slot and the machine mem operand containing  
> the
> +  /// reference.  If not, return false.  Unlike isStoreToStackSlot,
> +  /// this returns true for any instructions that loads from the
> +  /// stack.  This is just a hint, as some cases may be missed.
>   virtual bool hasStoreToStackSlot(const MachineInstr *MI,
> +                                   const MachineMemOperand *&MMO,
>                                    int &FrameIndex) const {
>     return 0;
>   }
> @@ -543,6 +547,13 @@
>   /// length.
>   virtual unsigned getInlineAsmLength(const char *Str,
>                                       const MCAsmInfo &MAI) const;
> +
> +  /// TailDuplicationLimit - Returns the limit on the number of  
> instructions
> +  /// in basic block MBB beyond which it will not be tail-duplicated.
> +  virtual unsigned TailDuplicationLimit(const MachineBasicBlock &MBB,
> +                                        unsigned DefaultLimit)  
> const {
> +    return DefaultLimit;
> +  }
> };
>
> /// TargetInstrInfoImpl - This is the default implementation of
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits