diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBasicBlock.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index 8e11979ef1c..44dbf9f01c2 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -52,6 +52,7 @@ MCSymbol *MachineBasicBlock::getSymbol() const { const MachineFunction *MF = getParent(); MCContext &Ctx = MF->getContext(); const char *Prefix = Ctx.getAsmInfo()->getPrivateLabelPrefix(); + assert(getNumber() >= 0 && "cannot get label for unreachable MBB"); CachedMCSymbol = Ctx.getOrCreateSymbol(Twine(Prefix) + "BB" + Twine(MF->getFunctionNumber()) + "_" + Twine(getNumber())); |
