Benjamin Kramer bc1947a6f5 Add a basic tiling pass for parallel loops ...

This exploits the fact that the iterations of parallel loops are
independent so tiling becomes just an index transformation. This pass
only tiles the innermost loop of a loop nest.

The ultimate goal is to allow vectorization of the tiled loops, but I
don't think we're there yet with the current rewriting, as the tiled
loops don't have a constant trip count.

Differential Revision: https://reviews.llvm.org/D74954

2020-02-24 11:44:40 +01:00

5.2 KiB

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