diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index 42029dc6b0..b45281e671 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -378,6 +378,7 @@ void RA::assignRegOrStackSlotAtInterval(IntervalPtrs::value_type cur) } DEBUG(std::cerr << "\t\tregister with min weight: " << mri_->getName(minReg) << " (" << minWeight << ")\n"); + assert(minReg != 0 && "Didn't find a register to spill?"); // if the current has the minimum weight, we need to modify it, // push it back in unhandled and let the linear scan algorithm run |