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Replace RPOQueue with WTOWorklist in ConstraintAnalysis and RedundantSetElimination so that loops stabilize before flow values propagate to downstream blocks. This avoids quadratic/cubic blowups on functions with sequential loops while also speeding up general workloads. Benchmark results across 16 WebAssembly modules (3 iterations): - --constraint-analysis: - esbuild.wasm: 381.60s -> 7.59s (-98.0%, 50.3x speedup) - 15 non-esbuild modules geomean: 1.564s -> 1.487s (-4.9%) - 15 non-esbuild modules total: 72.00s -> 57.24s (-20.5%) - All 16 modules geomean: 2.205s -> 1.646s (-25.4%) - All 16 modules total: 453.60s -> 64.83s (-85.7%) - --rse: - esbuild.wasm: >600s (timeout) -> 1.62s (>370x speedup) - 15 non-esbuild modules total: 26.40s -> 25.47s (-3.5%) - All 16 modules geomean: N/A -> 0.922s (total: 27.09s)
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Replace RPOQueue with WTOWorklist in ConstraintAnalysis and
RedundantSetElimination so that loops stabilize before flow values
propagate to downstream blocks. This avoids quadratic/cubic blowups on
functions with sequential loops while also speeding up general workloads.
Benchmark results across 16 WebAssembly modules (3 iterations):