IBM User Guide for Java V7 on Windows > IBM SDK for Java > The JIT compiler > How the JIT compiler optimizes code

Phase 3 - control flow optimizations

Control flow optimizations analyze the flow of control inside a method (or specific sections of it) and rearrange code paths to improve their efficiency.

The optimizations are:

• Code reordering, splitting, and removal
• Loop reduction and inversion
• Loop striding and loop-invariant code motion
• Loop unrolling and peeling
• Loop versioning and specialization
• Exception-directed optimization
• Switch analysis

Parent: How the JIT compiler optimizes code

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