diff options
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index a777f52cb2..1af00e84a6 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -37,6 +37,7 @@ MachineRegisterInfo::~MachineRegisterInfo() { /// void MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) { + assert(RC && RC->isAllocatable() && "Invalid RC for virtual register"); VRegInfo[Reg].first = RC; } |