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[MLIR][Arith] Fold trunci with ext if the bit width of the input type of ext is great...
authorliqinweng <Liqin.Weng@streamcomputing.com>
Thu, 6 Apr 2023 13:08:34 +0000 (21:08 +0800)
committerliqinweng <Liqin.Weng@streamcomputing.com>
Thu, 6 Apr 2023 13:08:39 +0000 (21:08 +0800)
commitdd39f9b418379264ceb6a232dc0b2a5fb18a4203
tree8b45b0538aecc8409cc938ac8c68064759f3fc90tree | snapshot
parent203cd159b6a9aca7a48c1847b0ff745beebf4b5ecommit | diff
[MLIR][Arith] Fold trunci with ext if the bit width of the input type of ext is greater than the

This patch is mainly to deal with folding trunci with ext，as flows：
    trunci(zexti(a)) -> trunci(a)
    trunci(zexti(a)) -> trunci(a)

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D140604
mlir/lib/Dialect/Arith/IR/ArithOps.cpp diff | blob | history
mlir/test/Dialect/Arith/canonicalize.mlir diff | blob | history
Domain: System / Toolchain;