diff options
Diffstat (limited to 'lib/CodeGen/RegAllocGreedy.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocGreedy.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index c88d474315..f69979bf2a 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -173,6 +173,7 @@ unsigned RAGreedy::selectOrSplit(LiveInterval &VirtReg, // Found an available register. return PhysReg; } + assert(!VirtReg.empty() && "Empty VirtReg has interference"); LiveInterval *interferingVirtReg = Queries[interfReg].firstInterference().liveUnionPos().value(); |