diff options
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index f89ef9a8b5..264ab14569 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -1593,6 +1593,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) { } } + assert(PhysReg && "VR not assigned a physical register?"); RegInfo->setPhysRegUsed(PhysReg); unsigned RReg = SubIdx ? TRI->getSubReg(PhysReg, SubIdx) : PhysReg; ReusedOperands.markClobbered(RReg); |