diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCFrameLowering.cpp | 16 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp index a81131b3adc..1dd1e4d3d24 100644 --- a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp @@ -644,6 +644,14 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const { .addImm(FPOffset) .addReg(SPReg); + if (isPIC && !isDarwinABI && !isPPC64 && + MF.getInfo<PPCFunctionInfo>()->usesPICBase()) + // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. + BuildMI(MBB, MBBI, dl, StoreInst) + .addReg(PPC::R30) + .addImm(-8U) + .addReg(SPReg); + if (HasBP) // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. BuildMI(MBB, MBBI, dl, StoreInst) @@ -1003,6 +1011,14 @@ void PPCFrameLowering::emitEpilogue(MachineFunction &MF, .addImm(FPOffset) .addReg(SPReg); + if (isPIC && !isDarwinABI && !isPPC64 && + MF.getInfo<PPCFunctionInfo>()->usesPICBase()) + // FIXME: On PPC32 SVR4, we must not spill before claiming the stackframe. + BuildMI(MBB, MBBI, dl, LoadInst) + .addReg(PPC::R30) + .addImm(-8U) + .addReg(SPReg); + if (HasBP) BuildMI(MBB, MBBI, dl, LoadInst, BPReg) .addImm(BPOffset) diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index 6aa786f1173..75ab3430b49 100644 --- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -307,6 +307,7 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() { if (M->getPICLevel() == PICLevel::Small) { BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MoveGOTtoLR)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg); + MF->getInfo<PPCFunctionInfo>()->setUsesPICBase(true); } else { BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg); |
