diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocGreedy.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp index 5f1f28ff1ad..54f800832d2 100644 --- a/llvm/lib/CodeGen/RegAllocGreedy.cpp +++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp @@ -2188,7 +2188,11 @@ void RAGreedy::calcGapWeights(unsigned PhysReg, /// unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order, SmallVectorImpl<unsigned> &NewVRegs) { - assert(SA->getUseBlocks().size() == 1 && "Not a local interval"); + // TODO: the function currently only handles a single UseBlock; it should be + // possible to generalize. + if (SA->getUseBlocks().size() != 1) + return 0; + const SplitAnalysis::BlockInfo &BI = SA->getUseBlocks().front(); // Note that it is possible to have an interval that is live-in or live-out |
