Split out FunctionLike printing/parsing into FunctionImplementation.{h,cpp}

Helper utilies for parsing and printing FunctionLike Ops are only relevant to
the implementation of the Op, not its definition. They depend on
OpImplementation.h and increase the inclusion footprint of FunctionSupport.h,
and do so only to provide some utilities in the "impl" namespace. Move them to
a separate files, similarly to OpDefinition/OpImplementation distinction, and
make only Op implementations use them while keeping headers cleaner. NFC.

PiperOrigin-RevId: 282964556

2 files changed, 4 insertions, 3 deletions

diff --git a/mlir/lib/IR/Function.cpp b/mlir/lib/IR/Function.cpp
index 4e103508af0..e5e854260f3 100644
--- a/mlir/lib/IR/Function.cpp
+++ b/mlir/lib/IR/Function.cpp
@@ -20,6 +20,7 @@
 #include "mlir/IR/Builders.h"
 #include "mlir/IR/Diagnostics.h"
 #include "mlir/IR/Dialect.h"
+#include "mlir/IR/FunctionImplementation.h"
 #include "mlir/IR/MLIRContext.h"
 #include "mlir/IR/Module.h"
 #include "mlir/IR/OpImplementation.h"
diff --git a/mlir/lib/IR/FunctionSupport.cpp b/mlir/lib/IR/FunctionImplementation.cpp
index c6f2673ef2a..a1fc21e11ea 100644
--- a/mlir/lib/IR/FunctionSupport.cpp
+++ b/mlir/lib/IR/FunctionImplementation.cpp
@@ -1,4 +1,4 @@
-//===- FunctionSupport.cpp - Utility types for function-like ops ----------===//
+//===- FunctionImplementation.cpp - Utilities for function-like ops -------===//
 //
 // Copyright 2019 The MLIR Authors.
 //
@@ -15,9 +15,9 @@
 // limitations under the License.
 // =============================================================================
 
-#include "mlir/IR/FunctionSupport.h"
+#include "mlir/IR/FunctionImplementation.h"
 #include "mlir/IR/Builders.h"
-#include "mlir/IR/OpImplementation.h"
+#include "mlir/IR/FunctionSupport.h"
 #include "mlir/IR/SymbolTable.h"
 
 using namespace mlir;