diff options
Diffstat (limited to 'llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp index c5cd87b1481..74c8fb9d029 100644 --- a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp +++ b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp @@ -59,6 +59,19 @@ bool TargetFrameLowering::needsFrameIndexResolution( return MF.getFrameInfo().hasStackObjects(); } +void TargetFrameLowering::getCalleeSaves(const MachineFunction &MF, + BitVector &CalleeSaves) const { + const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo(); + CalleeSaves.resize(TRI.getNumRegs()); + + const MachineFrameInfo &MFI = MF.getFrameInfo(); + if (!MFI.isCalleeSavedInfoValid()) + return; + + for (const CalleeSavedInfo &Info : MFI.getCalleeSavedInfo()) + CalleeSaves.set(Info.getReg()); +} + void TargetFrameLowering::determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, RegScavenger *RS) const { @@ -127,4 +140,4 @@ int TargetFrameLowering::getInitialCFAOffset(const MachineFunction &MF) const { unsigned TargetFrameLowering::getInitialCFARegister(const MachineFunction &MF) const { llvm_unreachable("getInitialCFARegister() not implemented!"); -}
\ No newline at end of file +} |
