[flang-commits] [flang] [flang][fir] Add FIR structured control flow ops to SCF dialect pass. (PR #140374)

[Kiran Chandramohan via flang-commits]

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@@ -0,0 +1,103 @@
+//===-- FIRToSCF.cpp ------------------------------------------------------===//
+//
+// 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 "flang/Optimizer/Dialect/FIRDialect.h"
+#include "flang/Optimizer/Transforms/Passes.h"
+#include "mlir/Dialect/SCF/IR/SCF.h"
+#include "mlir/Transforms/DialectConversion.h"
+
+namespace fir {
+#define GEN_PASS_DEF_FIRTOSCFPASS
+#include "flang/Optimizer/Transforms/Passes.h.inc"
+} // namespace fir
+
+using namespace fir;
+using namespace mlir;
+
+namespace {
+class FIRToSCFPass : public fir::impl::FIRToSCFPassBase<FIRToSCFPass> {
+public:
+  void runOnOperation() override;
+};
+} // namespace
+
+struct DoLoopConversion : public OpRewritePattern<fir::DoLoopOp> {
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kiranchandramohan wrote:

Nit: Could you audit all the `auto` usage and add specific types if the type is not present on the Right Hand Side of the assignment?

https://github.com/llvm/llvm-project/pull/140374