diff options
Diffstat (limited to 'include/llvm/Target/TargetFrameLowering.h')
| -rw-r--r-- | include/llvm/Target/TargetFrameLowering.h | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h index 352b7ae..4c759b2 100644 --- a/include/llvm/Target/TargetFrameLowering.h +++ b/include/llvm/Target/TargetFrameLowering.h @@ -114,6 +114,10 @@ public: virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const = 0; + /// Adjust the prologue to have the function use segmented stacks. This works + /// by adding a check even before the "normal" function prologue. + virtual void adjustForSegmentedStacks(MachineFunction &MF) const { } + /// spillCalleeSavedRegisters - Issues instruction(s) to spill all callee /// saved registers and returns true if it isn't possible / profitable to do /// so by issuing a series of store instructions via @@ -186,14 +190,6 @@ public: /// virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF) const { } - - /// getCompactUnwindEncoding - Get the compact unwind encoding for the - /// function. Return 0 if the compact unwind isn't available. - virtual uint32_t getCompactUnwindEncoding(ArrayRef<MCCFIInstruction> Instrs, - int DataAlignmentFactor, - bool IsEH) const { - return 0; - } }; } // End llvm namespace |