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llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
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| bool AArch64FrameLowering::shouldCombineCSRLocalStackBump( | bool AArch64FrameLowering::shouldCombineCSRLocalStackBump( | ||||
| MachineFunction &MF, unsigned StackBumpBytes) const { | MachineFunction &MF, unsigned StackBumpBytes) const { | ||||
| AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>(); | AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>(); | ||||
| const MachineFrameInfo &MFI = MF.getFrameInfo(); | const MachineFrameInfo &MFI = MF.getFrameInfo(); | ||||
| const AArch64Subtarget &Subtarget = MF.getSubtarget<AArch64Subtarget>(); | const AArch64Subtarget &Subtarget = MF.getSubtarget<AArch64Subtarget>(); | ||||
| const AArch64RegisterInfo *RegInfo = Subtarget.getRegisterInfo(); | const AArch64RegisterInfo *RegInfo = Subtarget.getRegisterInfo(); | ||||
| if (MF.getFunction().hasOptSize()) | |||||
| return false; | |||||
| if (AFI->getLocalStackSize() == 0) | if (AFI->getLocalStackSize() == 0) | ||||
| return false; | return false; | ||||
| // 512 is the maximum immediate for stp/ldp that will be used for | // 512 is the maximum immediate for stp/ldp that will be used for | ||||
| // callee-save save/restores | // callee-save save/restores | ||||
| if (StackBumpBytes >= 512 || windowsRequiresStackProbe(MF, StackBumpBytes)) | if (StackBumpBytes >= 512 || windowsRequiresStackProbe(MF, StackBumpBytes)) | ||||
| return false; | return false; | ||||
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