search for: 1035862

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2014 Feb 01
8
[LLVMdev] [RFC] LCSSA vs. SSAUpdater ... FIGHT!
So, there are two primary ideas behind SSA form management in the loop optimizers of LLVM: - Require LCSSA form input, leverage its (very powerful) guarantees to simplify maintaining SSA form, and also maintain LCSSA form. - Don't bother with LCSSA form input, assume the worst, and use powerful incremental SSA formation utilities built on SSAUpdater to form SSA on demand when needed. (Note,