[NFC][flang] Move ReductionProcessor to Lower/Support.

With #145837, the `ReductionProcessor` component is now used by both
OpenMP and `do concurrent`. Therefore, this PR moves it to a shared
location: `flang/Lower/Support`.

Author: ergawy

flang/lib/Lower/OpenMP/Clauses.h renamed to flang/include/flang/Lower/OpenMP/Clauses.h

@@ -13,7 +13,7 @@
 #ifndef FORTRAN_LOWER_REDUCTIONPROCESSOR_H
 #define FORTRAN_LOWER_REDUCTIONPROCESSOR_H
 
-#include "Clauses.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Optimizer/Builder/FIRBuilder.h"
 #include "flang/Optimizer/Dialect/FIRType.h"
 #include "flang/Parser/parse-tree.h"

flang/lib/Lower/OpenMP/ReductionProcessor.h renamed to flang/include/flang/Lower/Support/ReductionProcessor.h

@@ -12,7 +12,6 @@
 
 #include "flang/Lower/Bridge.h"
 
-#include "OpenMP/ReductionProcessor.h"
 #include "flang/Lower/Allocatable.h"
 #include "flang/Lower/CallInterface.h"
 #include "flang/Lower/Coarray.h"
@@ -32,6 +31,7 @@
 #include "flang/Lower/PFTBuilder.h"
 #include "flang/Lower/Runtime.h"
 #include "flang/Lower/StatementContext.h"
+#include "flang/Lower/Support/ReductionProcessor.h"
 #include "flang/Lower/Support/Utils.h"
 #include "flang/Optimizer/Builder/BoxValue.h"
 #include "flang/Optimizer/Builder/CUFCommon.h"

flang/lib/Lower/Bridge.cpp

@@ -28,11 +28,11 @@ add_flang_library(FortranLower
   OpenMP/DataSharingProcessor.cpp
   OpenMP/Decomposer.cpp
   OpenMP/OpenMP.cpp
-  OpenMP/ReductionProcessor.cpp
   OpenMP/Utils.cpp
   PFTBuilder.cpp
   Runtime.cpp
   Support/PrivateReductionUtils.cpp
+  Support/ReductionProcessor.cpp
   Support/Utils.cpp
   SymbolMap.cpp
   VectorSubscripts.cpp

flang/lib/Lower/CMakeLists.txt

@@ -12,7 +12,7 @@
 #ifndef FORTRAN_LOWER_CLAUSEFINDER_H
 #define FORTRAN_LOWER_CLAUSEFINDER_H
 
-#include "Clauses.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 
 namespace Fortran {
 namespace lower {

flang/lib/Lower/OpenMP/ClauseFinder.h

@@ -11,12 +11,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "ClauseProcessor.h"
-#include "Clauses.h"
-#include "ReductionProcessor.h"
 #include "Utils.h"
 
 #include "flang/Lower/ConvertExprToHLFIR.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Lower/PFTBuilder.h"
+#include "flang/Lower/Support/ReductionProcessor.h"
 #include "flang/Parser/tools.h"
 #include "flang/Semantics/tools.h"
 #include "llvm/Frontend/OpenMP/OMP.h.inc"

flang/lib/Lower/OpenMP/ClauseProcessor.cpp

@@ -13,11 +13,11 @@
 #define FORTRAN_LOWER_CLAUSEPROCESSOR_H
 
 #include "ClauseFinder.h"
-#include "Clauses.h"
 #include "Utils.h"
 #include "flang/Lower/AbstractConverter.h"
 #include "flang/Lower/Bridge.h"
 #include "flang/Lower/DirectivesCommon.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Optimizer/Builder/Todo.h"
 #include "flang/Parser/dump-parse-tree.h"
 #include "flang/Parser/parse-tree.h"

flang/lib/Lower/OpenMP/ClauseProcessor.h

@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "Clauses.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 
 #include "flang/Common/idioms.h"
 #include "flang/Evaluate/expression.h"

flang/lib/Lower/OpenMP/Clauses.cpp

@@ -12,9 +12,9 @@
 #ifndef FORTRAN_LOWER_DATASHARINGPROCESSOR_H
 #define FORTRAN_LOWER_DATASHARINGPROCESSOR_H
 
-#include "Clauses.h"
 #include "flang/Lower/AbstractConverter.h"
 #include "flang/Lower/OpenMP.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Optimizer/Builder/FIRBuilder.h"
 #include "flang/Parser/parse-tree.h"
 #include "flang/Semantics/symbol.h"

flang/lib/Lower/OpenMP/DataSharingProcessor.h

@@ -12,8 +12,8 @@
 
 #include "Decomposer.h"
 
-#include "Clauses.h"
 #include "Utils.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Lower/PFTBuilder.h"
 #include "flang/Semantics/semantics.h"
 #include "flang/Tools/CrossToolHelpers.h"

flang/lib/Lower/OpenMP/Decomposer.cpp

@@ -8,7 +8,7 @@
 #ifndef FORTRAN_LOWER_OPENMP_DECOMPOSER_H
 #define FORTRAN_LOWER_OPENMP_DECOMPOSER_H
 
-#include "Clauses.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "mlir/IR/BuiltinOps.h"
 #include "llvm/Frontend/OpenMP/ConstructDecompositionT.h"
 #include "llvm/Frontend/OpenMP/OMP.h"

flang/lib/Lower/OpenMP/Decomposer.h

@@ -13,7 +13,6 @@
 #include "flang/Lower/OpenMP.h"
 
 #include "ClauseProcessor.h"
-#include "Clauses.h"
 #include "DataSharingProcessor.h"
 #include "Decomposer.h"
 #include "Utils.h"
@@ -22,6 +21,7 @@
 #include "flang/Lower/ConvertExpr.h"
 #include "flang/Lower/ConvertVariable.h"
 #include "flang/Lower/DirectivesCommon.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Lower/StatementContext.h"
 #include "flang/Lower/SymbolMap.h"
 #include "flang/Optimizer/Builder/BoxValue.h"

flang/lib/Lower/OpenMP/OpenMP.cpp

@@ -12,9 +12,8 @@
 
 #include "Utils.h"
 
-#include "Clauses.h"
-
 #include "ClauseFinder.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include <flang/Lower/AbstractConverter.h>
 #include <flang/Lower/ConvertType.h>
 #include <flang/Lower/DirectivesCommon.h>

flang/lib/Lower/OpenMP/Utils.cpp

@@ -9,7 +9,7 @@
 #ifndef FORTRAN_LOWER_OPENMPUTILS_H
 #define FORTRAN_LOWER_OPENMPUTILS_H
 
-#include "Clauses.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "mlir/Dialect/OpenMP/OpenMPDialect.h"
 #include "mlir/IR/Location.h"
 #include "mlir/IR/Value.h"

flang/lib/Lower/OpenMP/Utils.h

@@ -10,11 +10,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "ReductionProcessor.h"
+#include "flang/Lower/Support/ReductionProcessor.h"
 
-#include "Clauses.h"
 #include "flang/Lower/AbstractConverter.h"
 #include "flang/Lower/ConvertType.h"
+#include "flang/Lower/OpenMP/Clauses.h"
 #include "flang/Lower/Support/PrivateReductionUtils.h"
 #include "flang/Lower/SymbolMap.h"
 #include "flang/Optimizer/Builder/Complex.h"