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[Transforms] Vectorizing Mem2Reg Pass #107688
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Commits on Sep 5, 2024
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[NFC] [SROA] Cache Basic Block Predecessors and Successors while
Performing Mem2Reg The CFG is repeatedly (partially) traversed when analyzing which BB does an Alloca live. Profiling show that the current method getting predecessors and successors of a BB (which returns a iterator range) is a bottleneck in SROA pass because iterator increment is not trivial. The result should be materialized and cached since many Allocas have overlapping living BBs.
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Commits on Sep 6, 2024
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rephased some comments for clarification improved convergence a little bit
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Commits on Sep 9, 2024
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