[PATCH] D19904: XRay: Add entry and exit sleds

[Dean Michael Berris via llvm-commits]

dberris marked an inline comment as done.

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Comment at: include/llvm/Target/TargetInstrInfo.h:157-168
@@ -154,14 +156,14 @@
 
   /// Returns the actual stack pointer adjustment made by an instruction
   /// as part of a call sequence. By default, only call frame setup/destroy
   /// instructions adjust the stack, but targets may want to override this
   /// to enable more fine-grained adjustment, or adjust by a different value.
   virtual int getSPAdjust(const MachineInstr *MI) const;
 
   /// Return true if the instruction is a "coalescable" extension instruction.
   /// That is, it's like a copy where it's legal for the source to overlap the
   /// destination. e.g. X86::MOVSX64rr32. If this returns true, then it's
   /// expected the pre-extension value is available as a subreg of the result
   /// register. This also returns the sub-register index in SubIdx.
   virtual bool isCoalescableExtInstr(const MachineInstr &MI,
                                      unsigned &SrcReg, unsigned &DstReg,
----------------
Updated now to white-list a specific return OpCode.


http://reviews.llvm.org/D19904