Move `createConvertToLLVMIRPass()` to its own header matching the target library clients need to link

PiperOrigin-RevId: 237723197

mlir/include/mlir/LLVMIR/Transforms.h

@@ -0,0 +1,29 @@
+//===- Transforms.h - Pass Entrypoints --------------------------*- C++ -*-===//
+//
+// Copyright 2019 The MLIR Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// =============================================================================
+
+#ifndef MLIR_LLVMIR_TRANSFORMS_H_
+#define MLIR_LLVMIR_TRANSFORMS_H_
+
+namespace mlir {
+class ModulePassBase;
+
+/// Creates a pass to convert Standard dialects into the LLVMIR dialect.
+ModulePassBase *createConvertToLLVMIRPass();
+
+} // namespace mlir
+
+#endif // MLIR_LLVMIR_TRANSFORMS_H_

mlir/include/mlir/Transforms/Passes.h

@@ -108,10 +108,6 @@ FunctionPassBase *createMemRefDataFlowOptPass();
 /// Creates a pass to strip debug information from a function.
 FunctionPassBase *createStripDebugInfoPass();
 
-/// Creates a pass to convert Standard and Builtin dialects into the LLVMIR
-/// dialect.
-ModulePassBase *createConvertToLLVMIRPass();
-
 } // end namespace mlir
 
 #endif // MLIR_TRANSFORMS_PASSES_H

mlir/lib/ExecutionEngine/ExecutionEngine.cpp

@@ -22,6 +22,7 @@
 #include "mlir/ExecutionEngine/ExecutionEngine.h"
 #include "mlir/IR/Function.h"
 #include "mlir/IR/Module.h"
+#include "mlir/LLVMIR/Transforms.h"
 #include "mlir/Pass/Pass.h"
 #include "mlir/Pass/PassManager.h"
 #include "mlir/Target/LLVMIR.h"

mlir/lib/LLVMIR/Transforms/ConvertToLLVMDialect.cpp

@@ -25,6 +25,7 @@
 #include "mlir/IR/Module.h"
 #include "mlir/IR/PatternMatch.h"
 #include "mlir/LLVMIR/LLVMDialect.h"
+#include "mlir/LLVMIR/Transforms.h"
 #include "mlir/Pass/Pass.h"
 #include "mlir/StandardOps/Ops.h"
 #include "mlir/Support/Functional.h"