[mlir] [llvm] [TOSA] Add TosaToMLProgram conversion (PR #69787)

[via llvm-commits]

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@@ -0,0 +1,50 @@
+//===- TosaToMLProgramPass.cpp - Lowering Tosa to MLProgram Dialect
+//-------------------===//
+//
+// 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 transformation pass legalizes the TOSA dialect to the MLProgram dialect.
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Conversion/TosaToMLProgram/TosaToMLProgram.h"
+#include "mlir/Dialect/MLProgram/IR/MLProgram.h"
+#include "mlir/Dialect/Tosa/IR/TosaOps.h"
+#include "mlir/Dialect/Tosa/Transforms/Passes.h"
+#include "mlir/IR/PatternMatch.h"
+#include "mlir/Pass/PassManager.h"
+#include "mlir/Transforms/DialectConversion.h"
+
+namespace mlir {
+#define GEN_PASS_DEF_TOSATOMLPROGRAM
+#include "mlir/Conversion/Passes.h.inc"
+} // namespace mlir
+
+using namespace mlir;
+using namespace tosa;
+
+namespace {
+struct TosaToMLProgram : public impl::TosaToMLProgramBase<TosaToMLProgram> {
+public:
+  void runOnOperation() override {
+    auto *context = &getContext();
+    auto moduleOp = getOperation();
+
+    RewritePatternSet patterns(context);
+    ConversionTarget target(*context);
+    target.addLegalDialect<ml_program::MLProgramDialect>();
+    target.addIllegalOp<tosa::VariableOp, tosa::VariableReadOp,
+                        tosa::VariableWriteOp>();
+    target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
+
+    mlir::tosa::populateTosaToMLProgramConversionPatterns(&patterns);
+
+    if (failed(applyPartialConversion(moduleOp, target, std::move(patterns))))
+      signalPassFailure();
----------------
Jerry-Ge wrote:

actually copied from TosaToLinag here: https://github.com/llvm/llvm-project/blob/d199fd76f7b76d902d8ef210d82689f299934793/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgNamedPass.cpp#L70C3-L70C3. 

And all other TosaTo* passes are checking this if condition and do `signalPassFailure` 
If `notifyMatchFailure` is the correct one to use here, I suggest I can do another patch to update all the TosaTo* passes? 

https://github.com/llvm/llvm-project/pull/69787