diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCFrameLowering.cpp | 16 |
1 files changed, 16 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) |
