diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AVR/AVRISelLowering.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/AVR/AVRISelLowering.cpp b/llvm/lib/Target/AVR/AVRISelLowering.cpp index 3116eb2a503..e95a41472bf 100644 --- a/llvm/lib/Target/AVR/AVRISelLowering.cpp +++ b/llvm/lib/Target/AVR/AVRISelLowering.cpp @@ -1634,6 +1634,15 @@ AVRTargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI, MachineFunction *MF = MBB->getParent(); const BasicBlock *LLVM_BB = MBB->getBasicBlock(); + MachineBasicBlock *FallThrough = MBB->getFallThrough(); + + // If the current basic block falls through to another basic block, + // we must insert an unconditional branch to the fallthrough destination + // if we are to insert basic blocks at the prior fallthrough point. + if (FallThrough != nullptr) { + BuildMI(MBB, dl, TII.get(AVR::RJMPk)).addMBB(FallThrough); + } + MachineBasicBlock *trueMBB = MF->CreateMachineBasicBlock(LLVM_BB); MachineBasicBlock *falseMBB = MF->CreateMachineBasicBlock(LLVM_BB); |
