[mlir][IR] Add additional rewriter constructor (llvm#85044)

For convenience, add an additional constructor to `RewriterBase` and
`IRRewriter` that also sets the insertion point. `OpBuilder` provides a
similar constructor.

Author: matthias-springer

mlir/include/mlir/IR/PatternMatch.h

@@ -736,6 +736,8 @@ class RewriterBase : public OpBuilder {
       : OpBuilder(ctx, listener) {}
   explicit RewriterBase(const OpBuilder &otherBuilder)
       : OpBuilder(otherBuilder) {}
+  explicit RewriterBase(Operation *op, OpBuilder::Listener *listener = nullptr)
+      : OpBuilder(op, listener) {}
   virtual ~RewriterBase();
 
 private:
@@ -756,6 +758,8 @@ class IRRewriter : public RewriterBase {
   explicit IRRewriter(MLIRContext *ctx, OpBuilder::Listener *listener = nullptr)
       : RewriterBase(ctx, listener) {}
   explicit IRRewriter(const OpBuilder &builder) : RewriterBase(builder) {}
+  explicit IRRewriter(Operation *op, OpBuilder::Listener *listener = nullptr)
+      : RewriterBase(op, listener) {}
 };
 
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