[llvm-branch-commits] [mlir] [MLIR][ArmSVE] Add initial lowering of vector.contract to SVE `*MMLA` instructions (PR #135636)

[Momchil Velikov via llvm-branch-commits]

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@@ -0,0 +1,304 @@
+//===- LowerContractionToSMMLAPattern.cpp - Contract to SMMLA ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements lowering patterns from vector.contract to
+// SVE I8MM operations.
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momchil-velikov wrote:

The `vector.contract` implicitly sign-extends its operands, so it does not need to by accompanied by explicit extend operations. I'll add code to handle this case too.

https://github.com/llvm/llvm-project/pull/135636