diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp index a1f036d68ec..ccaed49475c 100644 --- a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp +++ b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp @@ -81,6 +81,12 @@ void SystemZFrameLowering::determineCalleeSaves(MachineFunction &MF, for (unsigned I = MFI->getVarArgsFirstGPR(); I < SystemZ::NumArgGPRs; ++I) SavedRegs.set(SystemZ::ArgGPRs[I]); + // If there are any landing pads, entering them will modify r6/r7. + if (!MF.getMMI().getLandingPads().empty()) { + SavedRegs.set(SystemZ::R6D); + SavedRegs.set(SystemZ::R7D); + } + // If the function requires a frame pointer, record that the hard // frame pointer will be clobbered. if (HasFP) |
