Uday Bondhugula 2d6478fa92 Extend loop tiling utility to handle non-constant loop bounds and bounds that ...

are a max/min of several expressions.

- Extend loop tiling to handle non-constant loop bounds and bounds that
  are a max/min of several expressions, i.e., bounds using multi-result affine
  maps

- also fix b/120630124 as a result (the IR was in an invalid state when tiled
  loop generation failed; SSA uses were created that weren't plugged into the IR).

PiperOrigin-RevId: 224604460

2019-03-29 14:23:34 -07:00

9.7 KiB

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