Devirtualization in LLVM.
SPLASH '17: Conference on Systems, Programming, Languages, and Applications: Software for Humanity Vancouver BC Canada October, 2017（2017）
摘要
Devirtualization is an optimization changing indirect (virtual) calls to direct calls. It improves performance by allowing extra inlining and removal of redundant loads. This paper presents a novel way of handling C++ devirtualization in LLVM by unifying virtual table loads across calls using different SSA values to represent different dynamic types.
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