SparseBitVector is SLOW.
Use a Bitvector instead, we didn't need the smaller memory footprint anyway. This makes the greedy register allocator 10% faster. llvm-svn: 129390
Loading
Please register or sign in to comment
Use a Bitvector instead, we didn't need the smaller memory footprint anyway. This makes the greedy register allocator 10% faster. llvm-svn: 129390