[Mlir-commits] [mlir] [mlir][EmitC] Add pass that combines all available emitc conversions (PR #117549)

[Mehdi Amini]

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@@ -0,0 +1,41 @@
+//===- ConvertToEmitC.cpp - Convert to EmitC Patterns -----------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Conversion/ConvertToEmitC/ConvertToEmitC.h"
+#include "mlir/Conversion/ArithToEmitC/ArithToEmitC.h"
+#include "mlir/Conversion/FuncToEmitC/FuncToEmitC.h"
+#include "mlir/Conversion/MemRefToEmitC/MemRefToEmitC.h"
+#include "mlir/Conversion/SCFToEmitC/SCFToEmitC.h"
+#include "mlir/Dialect/Arith/IR/Arith.h"
+#include "mlir/Dialect/EmitC/IR/EmitC.h"
+#include "mlir/Dialect/Func/IR/FuncOps.h"
+#include "mlir/Dialect/MemRef/IR/MemRef.h"
+#include "mlir/Dialect/SCF/IR/SCF.h"
+#include "mlir/IR/PatternMatch.h"
+#include "mlir/Pass/Pass.h"
+#include "mlir/Rewrite/FrozenRewritePatternSet.h"
+#include "mlir/Transforms/DialectConversion.h"
+#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
+
+#define DEBUG_TYPE "convert-to-emitc"
+
+using namespace mlir;
+
+void mlir::populateConvertToEmitCTypeConverter(TypeConverter &typeConverter) {
+  typeConverter.addConversion([](Type type) { return type; });
+  populateMemRefToEmitCTypeConversion(typeConverter);
+}
+
+/// Populate patterns for each dialect.
+void mlir::populateConvertToEmitCPatterns(TypeConverter &typeConverter,
+                                    RewritePatternSet &patterns) {
+  populateArithToEmitCPatterns(typeConverter, patterns);
+  populateFuncToEmitCPatterns(typeConverter, patterns);
+  populateMemRefToEmitCConversionPatterns(patterns, typeConverter);
+  populateSCFToEmitCConversionPatterns(patterns);
+}
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joker-eph wrote:

This is a bit monolithic, are you familiar with `--convert-to-llvm`? It is using an interface to decouple this and make it a bit more pluggable. It seems to me that this can translate 1:1 to what you need here.

https://github.com/llvm/llvm-project/pull/117549