Tag
use-def-chains
- May 27, 2026 Reaching Definitions and the Monotone Dataflow Framework How a compiler computes which assignments can reach each program point, why the answer is a least fixpoint over a lattice, and where the bitvector approximation stops being exact. compilers
- May 15, 2026 SSA Construction and the Cost of Phi Placement Dominance frontiers decide where phi nodes belong, minimal SSA places too many of them, and pruning by liveness is what keeps the form small enough to optimize. compilers