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Multiple ChoiceIntermediate 45s

Link-time optimization benefits

What is the main optimization class that LTO enables over traditional separate compilation?
Options
  1. 1Better register allocation within a single function body
  2. 2Automatic SIMD vectorization of loops across all functions
  3. 3Cross-translation-unit inlining and whole-program analysis
  4. 4Reduced source file size from duplicated instantiations

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