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(11)

entry/exit decompositions of loop

with 4 decomposition nodes per phase loop:

decomposition graph of loop with single loop

Phase control flow graph

4. Phase 3. Phase

2. Phase 2. Phase

(shadow copy) 3. Phase

2. Phase 1. Phase

4. Phase

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(12)

Phase Loop Summary

with added entry and exit nodes decomposition graph

added exit node added entry node

with loop summary phase

5. Phase 1. Phase

Loop Phase

Phase control flow graph 1. Phase

5. Phase

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