PartialRedundancyElimination GVN #1309
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# Conflicts: # jlm/tooling/Command.cpp
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@computerdisciple I will have a look at the PR after the update as discussed in the meeting. |
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The original code was rewritten to be cleaner, more generic and add support for theta nodes.
ApplyDataFlowsTopDown -- A function taking care of the passing of analysis data to be passed between nodes. This also handles the general case of checking for fixed points when data flows stabilize. Data analyses can thus be written in a pure reactive style. This function could also be used for other data flow analyses.
Theta nodes -- The initial values passed into a theta node should not be used to compute GVN values. This is solved by detecting variant values on loop body exit and doing a second pass through the theta region.