Uday Bondhugula f273e5c507 [MLIR] Fix permuteLoops utility
Rewrite mlir::permuteLoops (affine loop permutation utility) to fix
incorrect approach. Avoiding using sinkLoops entirely - use single move
approach. Add test pass.

This fixes https://bugs.llvm.org/show_bug.cgi?id=45328

Depends on D77003.

Signed-off-by: Uday Bondhugula <uday@polymagelabs.com>

Differential Revision: https://reviews.llvm.org/D77004
2020-03-30 23:38:23 +05:30
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2020-03-30 23:38:23 +05:30