[all-commits] [llvm/llvm-project] bc3867: [mlir] Make sure linearizeCollapsedDims doesn't dr...
MaheshRavishankar via All-commits
all-commits at lists.llvm.org
Tue Nov 30 22:38:12 PST 2021
Author: MaheshRavishankar <ravishankarm at google.com>
Date: 2021-11-30 (Tue, 30 Nov 2021)
[mlir] Make sure linearizeCollapsedDims doesn't drop input map dims
The new affine map generated by linearizeCollapsedDims should not drop
dimensions. We need to make sure we create a map with at least as many
dimensions as the source map. This prevents
FoldProducerReshapeOpByLinearization from generating invalid IR.
This solves regression in IREE due to https://github.com/llvm/llvm-project/commit/e4e4da86aff5606ef792d987a3ec85639219228c
Reviewed By: mravishankar
Differential Revision: https://reviews.llvm.org/D114838
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