From 706b4fc47bbc608932d3b491ae19a3b9cde9497b Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Fri, 17 Jan 2020 20:45:01 +0000 Subject: Vendor import of llvm-project master e26a78e70, the last commit before the llvmorg-11-init tag, from which release/10.x was branched. --- llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp') diff --git a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp index 9eeacc2584cb..bc59be890c97 100644 --- a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp +++ b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp @@ -60,6 +60,19 @@ 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 { -- cgit v1.2.3