[mlir] Remove unused includes (NFC) (#148769)

These are identified by misc-include-cleaner.  I've filtered out those
that break builds.  Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.

Author: kazutakahirata

mlir/lib/Dialect/PDL/IR/PDL.cpp

@@ -11,7 +11,6 @@
 #include "mlir/Dialect/PDL/IR/PDLTypes.h"
 #include "mlir/IR/BuiltinTypes.h"
 #include "mlir/Interfaces/InferTypeOpInterface.h"
-#include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/TypeSwitch.h"
 #include <optional>
 

mlir/lib/Dialect/PDLInterp/IR/PDLInterp.cpp

@@ -9,7 +9,6 @@
 #include "mlir/Dialect/PDLInterp/IR/PDLInterp.h"
 #include "mlir/Dialect/PDL/IR/PDLTypes.h"
 #include "mlir/IR/BuiltinTypes.h"
-#include "mlir/IR/DialectImplementation.h"
 #include "mlir/Interfaces/FunctionImplementation.h"
 
 using namespace mlir;

mlir/lib/Dialect/Ptr/IR/PtrAttrs.cpp

@@ -11,8 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "mlir/Dialect/Ptr/IR/PtrAttrs.h"
-#include "mlir/IR/BuiltinTypes.h"
-#include "llvm/ADT/TypeSwitch.h"
 
 using namespace mlir;
 using namespace mlir::ptr;

mlir/lib/Dialect/Ptr/IR/PtrDialect.cpp

@@ -13,10 +13,8 @@
 #include "mlir/Dialect/Ptr/IR/PtrOps.h"
 #include "mlir/IR/DialectImplementation.h"
 #include "mlir/IR/Matchers.h"
-#include "mlir/IR/PatternMatch.h"
 #include "mlir/Interfaces/DataLayoutInterfaces.h"
 #include "mlir/Transforms/InliningUtils.h"
-#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/TypeSwitch.h"
 
 using namespace mlir;

mlir/lib/Dialect/Ptr/IR/PtrTypes.cpp

@@ -12,7 +12,6 @@
 
 #include "mlir/Dialect/Ptr/IR/PtrTypes.h"
 #include "mlir/Dialect/Ptr/IR/PtrAttrs.h"
-#include "llvm/ADT/TypeSwitch.h"
 
 using namespace mlir;
 using namespace mlir::ptr;

mlir/lib/Dialect/Quant/IR/QuantDialectBytecode.cpp

@@ -13,8 +13,6 @@
 #include "mlir/Dialect/Quant/IR/QuantTypes.h"
 #include "mlir/IR/Diagnostics.h"
 #include "llvm/ADT/APFloat.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/TypeSwitch.h"
 
 using namespace mlir;

mlir/lib/Dialect/Quant/IR/QuantTypes.cpp

@@ -12,9 +12,6 @@
 
 #include "mlir/IR/BuiltinTypes.h"
 #include "mlir/IR/MLIRContext.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/MathExtras.h"
 
 using namespace mlir;
 using namespace mlir::quant;

mlir/lib/Dialect/Quant/Transforms/NormalizeQuantTypes.cpp

@@ -16,7 +16,6 @@
 #include "mlir/Dialect/Quant/IR/Quant.h"
 #include "mlir/Dialect/Quant/IR/QuantTypes.h"
 #include "mlir/Dialect/Quant/Transforms/Passes.h"
-#include "mlir/Dialect/Tensor/IR/Tensor.h"
 #include "mlir/Transforms/DialectConversion.h"
 
 namespace mlir {

mlir/lib/Dialect/Quant/Transforms/StripFuncQuantTypes.cpp

@@ -10,16 +10,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "mlir/Dialect/Arith/IR/Arith.h"
 #include "mlir/Dialect/Func/IR/FuncOps.h"
 #include "mlir/Dialect/Func/Transforms/FuncConversions.h"
-#include "mlir/Dialect/Linalg/IR/Linalg.h"
 #include "mlir/Dialect/Quant/IR/Quant.h"
 #include "mlir/Dialect/Quant/IR/QuantTypes.h"
 #include "mlir/Dialect/Quant/Transforms/Passes.h"
-#include "mlir/Dialect/Shape/IR/Shape.h"
-#include "mlir/Dialect/Tensor/IR/Tensor.h"
-#include "mlir/IR/Matchers.h"
 #include "mlir/IR/PatternMatch.h"
 #include "mlir/Transforms/DialectConversion.h"
 

mlir/lib/Dialect/SCF/IR/SCF.cpp

@@ -25,7 +25,6 @@
 #include "mlir/Transforms/InliningUtils.h"
 #include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/TypeSwitch.h"
 
 using namespace mlir;
 using namespace mlir::scf;