[flang-commits] [flang] 44e5850 - [NFC] More synching of sources for upstreaming.

Eric Schweitz via flang-commits flang-commits at lists.llvm.org
Tue Apr 26 14:55:04 PDT 2022


Author: Eric Schweitz
Date: 2022-04-26T14:54:43-07:00
New Revision: 44e58509be72b49c3abc7b4c5a7ffa81a754fe1c

URL: https://github.com/llvm/llvm-project/commit/44e58509be72b49c3abc7b4c5a7ffa81a754fe1c
DIFF: https://github.com/llvm/llvm-project/commit/44e58509be72b49c3abc7b4c5a7ffa81a754fe1c.diff

LOG: [NFC] More synching of sources for upstreaming.

Reviewed By: clementval

Differential Revision: https://reviews.llvm.org/D124476

Added: 
    

Modified: 
    flang/lib/Optimizer/CodeGen/CodeGen.cpp
    flang/lib/Optimizer/CodeGen/TargetRewrite.cpp
    flang/lib/Optimizer/CodeGen/TypeConverter.h
    flang/test/Fir/addrof.fir
    flang/test/Fir/embox.fir
    flang/test/Fir/rebox.fir

Removed: 
    


################################################################################
diff  --git a/flang/lib/Optimizer/CodeGen/CodeGen.cpp b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
index 41dd2a3df8505..2cc41382f0d17 100644
--- a/flang/lib/Optimizer/CodeGen/CodeGen.cpp
+++ b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
@@ -32,8 +32,6 @@
 
 #define DEBUG_TYPE "flang-codegen"
 
-using namespace mlir;
-
 // fir::LLVMTypeConverter for converting to LLVM IR dialect types.
 #include "TypeConverter.h"
 
@@ -57,8 +55,8 @@ genConstantIndex(mlir::Location loc, mlir::Type ity,
   return rewriter.create<mlir::LLVM::ConstantOp>(loc, ity, cattr);
 }
 
-static Block *createBlock(mlir::ConversionPatternRewriter &rewriter,
-                          mlir::Block *insertBefore) {
+static mlir::Block *createBlock(mlir::ConversionPatternRewriter &rewriter,
+                                mlir::Block *insertBefore) {
   assert(insertBefore && "expected valid insertion block");
   return rewriter.createBlock(insertBefore->getParent(),
                               mlir::Region::iterator(insertBefore));
@@ -138,8 +136,8 @@ class FIROpConversion : public mlir::ConvertOpToLLVMPattern<FromOp> {
 
   /// Method to construct code sequence to get the triple for dimension `dim`
   /// from a box.
-  SmallVector<mlir::Value, 3>
-  getDimsFromBox(mlir::Location loc, ArrayRef<mlir::Type> retTys,
+  llvm::SmallVector<mlir::Value, 3>
+  getDimsFromBox(mlir::Location loc, llvm::ArrayRef<mlir::Type> retTys,
                  mlir::Value box, mlir::Value dim,
                  mlir::ConversionPatternRewriter &rewriter) const {
     mlir::LLVM::ConstantOp c0 = genConstantOffset(loc, rewriter, 0);
@@ -248,7 +246,7 @@ class FIROpConversion : public mlir::ConvertOpToLLVMPattern<FromOp> {
   mlir::LLVM::GEPOp genGEP(mlir::Location loc, mlir::Type ty,
                            mlir::ConversionPatternRewriter &rewriter,
                            mlir::Value base, ARGS... args) const {
-    SmallVector<mlir::Value> cv{args...};
+    llvm::SmallVector<mlir::Value> cv{args...};
     return rewriter.create<mlir::LLVM::GEPOp>(loc, ty, base, cv);
   }
 
@@ -288,7 +286,7 @@ struct AddrOfOpConversion : public FIROpConversion<fir::AddrOfOp> {
     auto ty = convertType(addr.getType());
     rewriter.replaceOpWithNewOp<mlir::LLVM::AddressOfOp>(
         addr, ty, addr.getSymbol().getRootReference().getValue());
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -379,7 +377,7 @@ struct AllocaOpConversion : public FIROpConversion<fir::AllocaOp> {
                                                       alloc->getAttrs());
       rewriter.replaceOpWithNewOp<mlir::LLVM::BitcastOp>(alloc, resultTy, al);
     }
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -415,7 +413,7 @@ struct BoxAddrOpConversion : public FIROpConversion<fir::BoxAddrOp> {
       rewriter.replaceOpWithNewOp<mlir::LLVM::ExtractValueOp>(boxaddr, ty, a,
                                                               c0);
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -438,7 +436,7 @@ struct BoxCharLenOpConversion : public FIROpConversion<fir::BoxCharLenOp> {
     mlir::Value lenAfterCast = integerCast(loc, rewriter, returnValTy, len);
     rewriter.replaceOp(boxCharLen, lenAfterCast);
 
-    return success();
+    return mlir::success();
   }
 };
 
@@ -451,7 +449,7 @@ struct BoxDimsOpConversion : public FIROpConversion<fir::BoxDimsOp> {
   mlir::LogicalResult
   matchAndRewrite(fir::BoxDimsOp boxdims, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
-    SmallVector<mlir::Type, 3> resultTypes = {
+    llvm::SmallVector<mlir::Type, 3> resultTypes = {
         convertType(boxdims.getResult(0).getType()),
         convertType(boxdims.getResult(1).getType()),
         convertType(boxdims.getResult(2).getType()),
@@ -460,7 +458,7 @@ struct BoxDimsOpConversion : public FIROpConversion<fir::BoxDimsOp> {
         getDimsFromBox(boxdims.getLoc(), resultTypes, adaptor.getOperands()[0],
                        adaptor.getOperands()[1], rewriter);
     rewriter.replaceOp(boxdims, results);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -477,7 +475,7 @@ struct BoxEleSizeOpConversion : public FIROpConversion<fir::BoxEleSizeOp> {
     auto ty = convertType(boxelesz.getType());
     auto elemSize = getValueFromBox(loc, a, ty, rewriter, kElemLenPosInBox);
     rewriter.replaceOp(boxelesz, elemSize);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -494,7 +492,7 @@ struct BoxIsAllocOpConversion : public FIROpConversion<fir::BoxIsAllocOp> {
     mlir::Value check =
         genBoxAttributeCheck(loc, box, rewriter, kAttrAllocatable);
     rewriter.replaceOp(boxisalloc, check);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -513,7 +511,7 @@ struct BoxIsArrayOpConversion : public FIROpConversion<fir::BoxIsArrayOp> {
     auto c0 = genConstantOffset(loc, rewriter, 0);
     rewriter.replaceOpWithNewOp<mlir::LLVM::ICmpOp>(
         boxisarray, mlir::LLVM::ICmpPredicate::ne, rank, c0);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -529,7 +527,7 @@ struct BoxIsPtrOpConversion : public FIROpConversion<fir::BoxIsPtrOp> {
     auto loc = boxisptr.getLoc();
     mlir::Value check = genBoxAttributeCheck(loc, box, rewriter, kAttrPointer);
     rewriter.replaceOp(boxisptr, check);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -546,7 +544,7 @@ struct BoxRankOpConversion : public FIROpConversion<fir::BoxRankOp> {
     mlir::Type ty = convertType(boxrank.getType());
     auto result = getValueFromBox(loc, a, ty, rewriter, kRankPosInBox);
     rewriter.replaceOp(boxrank, result);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -560,7 +558,7 @@ struct BoxProcHostOpConversion : public FIROpConversion<fir::BoxProcHostOp> {
   matchAndRewrite(fir::BoxProcHostOp boxprochost, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(boxprochost.getLoc(), "fir.boxproc_host codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -580,7 +578,7 @@ struct BoxTypeDescOpConversion : public FIROpConversion<fir::BoxTypeDescOp> {
     auto typePtrTy = mlir::LLVM::LLVMPointerType::get(typeTy);
     rewriter.replaceOpWithNewOp<mlir::LLVM::IntToPtrOp>(boxtypedesc, typePtrTy,
                                                         result);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -595,7 +593,7 @@ struct StringLitOpConversion : public FIROpConversion<fir::StringLitOp> {
     auto attr = constop.getValue();
     if (attr.isa<mlir::StringAttr>()) {
       rewriter.replaceOpWithNewOp<mlir::LLVM::ConstantOp>(constop, ty, attr);
-      return success();
+      return mlir::success();
     }
 
     auto charTy = constop.getType().cast<fir::CharacterType>();
@@ -619,10 +617,10 @@ struct StringLitOpConversion : public FIROpConversion<fir::StringLitOp> {
                                                          index);
       }
     } else {
-      return failure();
+      return mlir::failure();
     }
     rewriter.replaceOp(constop, cst);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -633,12 +631,12 @@ struct CallOpConversion : public FIROpConversion<fir::CallOp> {
   mlir::LogicalResult
   matchAndRewrite(fir::CallOp call, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
-    SmallVector<mlir::Type> resultTys;
+    llvm::SmallVector<mlir::Type> resultTys;
     for (auto r : call.getResults())
       resultTys.push_back(convertType(r.getType()));
     rewriter.replaceOpWithNewOp<mlir::LLVM::CallOp>(
         call, resultTys, adaptor.getOperands(), call->getAttrs());
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -667,20 +665,22 @@ struct CmpcOpConversion : public FIROpConversion<fir::CmpcOp> {
     mlir::Type resTy = convertType(cmp.getType());
     mlir::Location loc = cmp.getLoc();
     auto pos0 = mlir::ArrayAttr::get(ctxt, rewriter.getI32IntegerAttr(0));
-    SmallVector<mlir::Value, 2> rp{rewriter.create<mlir::LLVM::ExtractValueOp>(
-                                       loc, eleTy, operands[0], pos0),
-                                   rewriter.create<mlir::LLVM::ExtractValueOp>(
-                                       loc, eleTy, operands[1], pos0)};
+    llvm::SmallVector<mlir::Value, 2> rp{
+        rewriter.create<mlir::LLVM::ExtractValueOp>(loc, eleTy, operands[0],
+                                                    pos0),
+        rewriter.create<mlir::LLVM::ExtractValueOp>(loc, eleTy, operands[1],
+                                                    pos0)};
     auto rcp =
         rewriter.create<mlir::LLVM::FCmpOp>(loc, resTy, rp, cmp->getAttrs());
     auto pos1 = mlir::ArrayAttr::get(ctxt, rewriter.getI32IntegerAttr(1));
-    SmallVector<mlir::Value, 2> ip{rewriter.create<mlir::LLVM::ExtractValueOp>(
-                                       loc, eleTy, operands[0], pos1),
-                                   rewriter.create<mlir::LLVM::ExtractValueOp>(
-                                       loc, eleTy, operands[1], pos1)};
+    llvm::SmallVector<mlir::Value, 2> ip{
+        rewriter.create<mlir::LLVM::ExtractValueOp>(loc, eleTy, operands[0],
+                                                    pos1),
+        rewriter.create<mlir::LLVM::ExtractValueOp>(loc, eleTy, operands[1],
+                                                    pos1)};
     auto icp =
         rewriter.create<mlir::LLVM::FCmpOp>(loc, resTy, ip, cmp->getAttrs());
-    SmallVector<mlir::Value, 2> cp{rcp, icp};
+    llvm::SmallVector<mlir::Value, 2> cp{rcp, icp};
     switch (cmp.getPredicate()) {
     case mlir::arith::CmpFPredicate::OEQ: // .EQ.
       rewriter.replaceOpWithNewOp<mlir::LLVM::AndOp>(cmp, resTy, cp);
@@ -692,7 +692,7 @@ struct CmpcOpConversion : public FIROpConversion<fir::CmpcOp> {
       rewriter.replaceOp(cmp, rcp.getResult());
       break;
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -720,10 +720,10 @@ struct ConstcOpConversion : public FIROpConversion<fir::ConstcOp> {
         loc, ty, undef, realPart, realIndex);
     rewriter.replaceOpWithNewOp<mlir::LLVM::InsertValueOp>(conc, ty, setReal,
                                                            imPart, imIndex);
-    return success();
+    return mlir::success();
   }
 
-  inline APFloat getValue(mlir::Attribute attr) const {
+  inline llvm::APFloat getValue(mlir::Attribute attr) const {
     return attr.cast<fir::RealAttr>().getValue();
   }
 };
@@ -746,7 +746,7 @@ struct ConvertOpConversion : public FIROpConversion<fir::ConvertOp> {
     mlir::Value op0 = adaptor.getOperands()[0];
     if (fromTy == toTy) {
       rewriter.replaceOp(convert, op0);
-      return success();
+      return mlir::success();
     }
     auto loc = convert.getLoc();
     auto convertFpToFp = [&](mlir::Value val, unsigned fromBits,
@@ -863,7 +863,7 @@ struct DispatchOpConversion : public FIROpConversion<fir::DispatchOp> {
   matchAndRewrite(fir::DispatchOp dispatch, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(dispatch.getLoc(), "fir.dispatch codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -877,7 +877,7 @@ struct DispatchTableOpConversion
   matchAndRewrite(fir::DispatchTableOp dispTab, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(dispTab.getLoc(), "fir.dispatch_table codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -890,7 +890,7 @@ struct DTEntryOpConversion : public FIROpConversion<fir::DTEntryOp> {
   matchAndRewrite(fir::DTEntryOp dtEnt, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(dtEnt.getLoc(), "fir.dt_entry codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -902,7 +902,7 @@ struct GlobalLenOpConversion : public FIROpConversion<fir::GlobalLenOp> {
   matchAndRewrite(fir::GlobalLenOp globalLen, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(globalLen.getLoc(), "fir.global_len codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -930,7 +930,7 @@ struct EmboxCharOpConversion : public FIROpConversion<fir::EmboxCharOp> {
   matchAndRewrite(fir::EmboxCharOp emboxChar, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     mlir::ValueRange operands = adaptor.getOperands();
-    MLIRContext *ctx = emboxChar.getContext();
+    auto *ctx = emboxChar.getContext();
 
     mlir::Value charBuffer = operands[0];
     mlir::Value charBufferLen = operands[1];
@@ -950,7 +950,7 @@ struct EmboxCharOpConversion : public FIROpConversion<fir::EmboxCharOp> {
     rewriter.replaceOpWithNewOp<mlir::LLVM::InsertValueOp>(
         emboxChar, llvmStructTy, insertBufferOp, lenAfterCast, c1);
 
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -1021,7 +1021,7 @@ struct AllocMemOpConversion : public FIROpConversion<fir::AllocMemOp> {
         loc, ::getVoidPtrType(heap.getContext()), size, heap->getAttrs());
     rewriter.replaceOpWithNewOp<mlir::LLVM::BitcastOp>(heap, ty,
                                                        malloc.getResult(0));
-    return success();
+    return mlir::success();
   }
 
   // Compute the (allocation) size of the allocmem type in bytes.
@@ -1072,7 +1072,7 @@ struct FreeMemOpConversion : public FIROpConversion<fir::FreeMemOp> {
     rewriter.create<mlir::LLVM::CallOp>(
         loc, mlir::TypeRange{}, mlir::ValueRange{bitcast}, freemem->getAttrs());
     rewriter.eraseOp(freemem);
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -1240,15 +1240,15 @@ struct EmboxCommonConversion : public FIROpConversion<OP> {
   /// Basic pattern to write a field in the descriptor
   mlir::Value insertField(mlir::ConversionPatternRewriter &rewriter,
                           mlir::Location loc, mlir::Value dest,
-                          ArrayRef<unsigned> fldIndexes, mlir::Value value,
-                          bool bitcast = false) const {
+                          llvm::ArrayRef<unsigned> fldIndexes,
+                          mlir::Value value, bool bitcast = false) const {
     auto boxTy = dest.getType();
     auto fldTy = this->getBoxEleTy(boxTy, fldIndexes);
     if (bitcast)
       value = rewriter.create<mlir::LLVM::BitcastOp>(loc, fldTy, value);
     else
       value = this->integerCast(loc, rewriter, fldTy, value);
-    SmallVector<mlir::Attribute, 2> attrs;
+    llvm::SmallVector<mlir::Attribute, 2> attrs;
     for (auto i : fldIndexes)
       attrs.push_back(rewriter.getI32IntegerAttr(i));
     auto indexesAttr = mlir::ArrayAttr::get(rewriter.getContext(), attrs);
@@ -1433,11 +1433,11 @@ struct EmboxOpConversion : public EmboxCommonConversion<fir::EmboxOp> {
     if (isDerivedTypeWithLenParams(boxTy)) {
       TODO(embox.getLoc(),
            "fir.embox codegen of derived with length parameters");
-      return failure();
+      return mlir::failure();
     }
     auto result = placeInMemoryIfNotGlobalInit(rewriter, embox.getLoc(), dest);
     rewriter.replaceOp(embox, result);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -1619,7 +1619,7 @@ struct XEmboxOpConversion : public EmboxCommonConversion<fir::cg::XEmboxOp> {
 
     mlir::Value result = placeInMemoryIfNotGlobalInit(rewriter, loc, dest);
     rewriter.replaceOp(xbox, result);
-    return success();
+    return mlir::success();
   }
 
   /// Return true if `xbox` has a normalized lower bounds attribute. A box value
@@ -1667,7 +1667,7 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
     const unsigned inputRank = rebox.getRank();
     for (unsigned i = 0; i < inputRank; ++i) {
       mlir::Value dim = genConstantIndex(loc, idxTy, rewriter, i);
-      SmallVector<mlir::Value, 3> dimInfo =
+      llvm::SmallVector<mlir::Value, 3> dimInfo =
           getDimsFromBox(loc, {idxTy, idxTy, idxTy}, loweredBox, dim, rewriter);
       inputExtents.emplace_back(dimInfo[1]);
       inputStrides.emplace_back(dimInfo[2]);
@@ -1714,7 +1714,7 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
     mlir::Value result =
         placeInMemoryIfNotGlobalInit(rewriter, rebox.getLoc(), dest);
     rewriter.replaceOp(rebox, result);
-    return success();
+    return mlir::success();
   }
 
   // Apply slice given the base address, extents and strides of the input box.
@@ -1864,7 +1864,7 @@ struct EmboxProcOpConversion : public FIROpConversion<fir::EmboxProcOp> {
   matchAndRewrite(fir::EmboxProcOp emboxproc, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(emboxproc.getLoc(), "fir.emboxproc codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -1872,7 +1872,7 @@ struct EmboxProcOpConversion : public FIROpConversion<fir::EmboxProcOp> {
 struct ValueOpCommon {
   // Translate the arguments pertaining to any multidimensional array to
   // row-major order for LLVM-IR.
-  static void toRowMajor(SmallVectorImpl<mlir::Attribute> &attrs,
+  static void toRowMajor(llvm::SmallVectorImpl<mlir::Attribute> &attrs,
                          mlir::Type ty) {
     assert(ty && "type is null");
     const auto end = attrs.size();
@@ -1944,7 +1944,7 @@ struct ExtractValueOpConversion
     auto position = mlir::ArrayAttr::get(extractVal.getContext(), attrs);
     rewriter.replaceOpWithNewOp<mlir::LLVM::ExtractValueOp>(
         extractVal, ty, adaptor.getOperands()[0], position);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -1964,7 +1964,7 @@ struct InsertValueOpConversion
     rewriter.replaceOpWithNewOp<mlir::LLVM::InsertValueOp>(
         insertVal, ty, adaptor.getOperands()[0], adaptor.getOperands()[1],
         position);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -1974,8 +1974,8 @@ struct InsertOnRangeOpConversion
   using FIROpAndTypeConversion::FIROpAndTypeConversion;
 
   // Increments an array of subscripts in a row major fasion.
-  void incrementSubscripts(const SmallVector<uint64_t> &dims,
-                           SmallVector<uint64_t> &subscripts) const {
+  void incrementSubscripts(const llvm::SmallVector<uint64_t> &dims,
+                           llvm::SmallVector<uint64_t> &subscripts) const {
     for (size_t i = dims.size(); i > 0; --i) {
       if (++subscripts[i - 1] < dims[i - 1]) {
         return;
@@ -1997,8 +1997,8 @@ struct InsertOnRangeOpConversion
       type = t.getElementType();
     }
 
-    SmallVector<uint64_t> lBounds;
-    SmallVector<uint64_t> uBounds;
+    llvm::SmallVector<uint64_t> lBounds;
+    llvm::SmallVector<uint64_t> uBounds;
 
     // Unzip the upper and lower bound and convert to a row major format.
     mlir::DenseIntElementsAttr coor = range.getCoor();
@@ -2016,28 +2016,28 @@ struct InsertOnRangeOpConversion
     auto i64Ty = rewriter.getI64Type();
     while (subscripts != uBounds) {
       // Convert uint64_t's to Attribute's.
-      SmallVector<mlir::Attribute> subscriptAttrs;
+      llvm::SmallVector<mlir::Attribute> subscriptAttrs;
       for (const auto &subscript : subscripts)
-        subscriptAttrs.push_back(IntegerAttr::get(i64Ty, subscript));
+        subscriptAttrs.push_back(mlir::IntegerAttr::get(i64Ty, subscript));
       lastOp = rewriter.create<mlir::LLVM::InsertValueOp>(
           loc, ty, lastOp, insertVal,
-          ArrayAttr::get(range.getContext(), subscriptAttrs));
+          mlir::ArrayAttr::get(range.getContext(), subscriptAttrs));
 
       incrementSubscripts(dims, subscripts);
     }
 
     // Convert uint64_t's to Attribute's.
-    SmallVector<mlir::Attribute> subscriptAttrs;
+    llvm::SmallVector<mlir::Attribute> subscriptAttrs;
     for (const auto &subscript : subscripts)
       subscriptAttrs.push_back(
-          IntegerAttr::get(rewriter.getI64Type(), subscript));
+          mlir::IntegerAttr::get(rewriter.getI64Type(), subscript));
     mlir::ArrayRef<mlir::Attribute> arrayRef(subscriptAttrs);
 
     rewriter.replaceOpWithNewOp<mlir::LLVM::InsertValueOp>(
         range, ty, lastOp, insertVal,
-        ArrayAttr::get(range.getContext(), arrayRef));
+        mlir::ArrayAttr::get(range.getContext(), arrayRef));
 
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -2137,7 +2137,7 @@ struct XArrayCoorOpConversion
           rewriter.create<mlir::LLVM::GEPOp>(loc, voidPtrTy, base, args);
       if (coor.subcomponent().empty()) {
         rewriter.replaceOpWithNewOp<mlir::LLVM::BitcastOp>(coor, baseTy, addr);
-        return success();
+        return mlir::success();
       }
       auto casted = rewriter.create<mlir::LLVM::BitcastOp>(loc, baseTy, addr);
       args.clear();
@@ -2153,7 +2153,7 @@ struct XArrayCoorOpConversion
         args.push_back(operands[i]);
       rewriter.replaceOpWithNewOp<mlir::LLVM::GEPOp>(coor, baseTy, casted,
                                                      args);
-      return success();
+      return mlir::success();
     }
 
     // The array was not boxed, so it must be contiguous. offset is therefore an
@@ -2198,11 +2198,11 @@ struct XArrayCoorOpConversion
       base = rewriter.create<mlir::LLVM::BitcastOp>(loc, newTy,
                                                     adaptor.getOperands()[0]);
     }
-    SmallVector<mlir::Value> args = {offset};
+    llvm::SmallVector<mlir::Value> args = {offset};
     for (auto i = coor.subcomponentOffset(); i != coor.indicesOffset(); ++i)
       args.push_back(operands[i]);
     rewriter.replaceOpWithNewOp<mlir::LLVM::GEPOp>(coor, ty, base, args);
-    return success();
+    return mlir::success();
   }
 };
 } // namespace
@@ -2234,7 +2234,7 @@ struct CoordinateOpConversion
       llvm::SmallVector<mlir::Value> offs = {c0, operands[1]};
       mlir::Value gep = genGEP(loc, ty, rewriter, base, offs);
       rewriter.replaceOp(coor, gep);
-      return success();
+      return mlir::success();
     }
 
     // Boxed type - get the base pointer from the box
@@ -2261,9 +2261,9 @@ struct CoordinateOpConversion
     assert(val && val.dyn_cast<mlir::OpResult>() && "must not be null value");
     mlir::Operation *defop = val.getDefiningOp();
 
-    if (auto constOp = dyn_cast<mlir::arith::ConstantIntOp>(defop))
+    if (auto constOp = mlir::dyn_cast<mlir::arith::ConstantIntOp>(defop))
       return constOp.value();
-    if (auto llConstOp = dyn_cast<mlir::LLVM::ConstantOp>(defop))
+    if (auto llConstOp = mlir::dyn_cast<mlir::LLVM::ConstantOp>(defop))
       if (auto attr = llConstOp.getValue().dyn_cast<mlir::IntegerAttr>())
         return attr.getValue().getSExtValue();
     fir::emitFatalError(val.getLoc(), "must be a constant");
@@ -2343,7 +2343,7 @@ struct CoordinateOpConversion
     if (coor.getNumOperands() == 2) {
       mlir::Operation *coordinateDef =
           (*coor.getCoor().begin()).getDefiningOp();
-      if (isa_and_nonnull<fir::LenParamIndexOp>(coordinateDef))
+      if (mlir::isa_and_nonnull<fir::LenParamIndexOp>(coordinateDef))
         TODO(loc,
              "fir.coordinate_of - fir.len_param_index is not supported yet");
     }
@@ -2392,7 +2392,7 @@ struct CoordinateOpConversion
         }
         auto voidPtrBase =
             rewriter.create<mlir::LLVM::BitcastOp>(loc, voidPtrTy, resultAddr);
-        SmallVector<mlir::Value> args{off};
+        llvm::SmallVector<mlir::Value> args{off};
         resultAddr = rewriter.create<mlir::LLVM::GEPOp>(loc, voidPtrTy,
                                                         voidPtrBase, args);
         i += arrTy.getDimension() - 1;
@@ -2417,7 +2417,7 @@ struct CoordinateOpConversion
     }
 
     rewriter.replaceOpWithNewOp<mlir::LLVM::BitcastOp>(coor, ty, resultAddr);
-    return success();
+    return mlir::success();
   }
 
   mlir::LogicalResult
@@ -2463,14 +2463,14 @@ struct CoordinateOpConversion
           loc, "fir.coordinate_of with a dynamic element size is unsupported");
 
     if (hasKnownShape || columnIsDeferred) {
-      SmallVector<mlir::Value> offs;
+      llvm::SmallVector<mlir::Value> offs;
       if (hasKnownShape && hasSubdimension) {
         mlir::LLVM::ConstantOp c0 =
             genConstantIndex(loc, lowerTy().indexType(), rewriter, 0);
         offs.push_back(c0);
       }
-      Optional<int> dims;
-      SmallVector<mlir::Value> arrIdx;
+      llvm::Optional<int> dims;
+      llvm::SmallVector<mlir::Value> arrIdx;
       for (std::size_t i = 1, sz = operands.size(); i < sz; ++i) {
         mlir::Value nxtOpnd = operands[i];
 
@@ -2519,7 +2519,7 @@ struct CoordinateOpConversion
       mlir::Value base = operands[0];
       mlir::Value retval = genGEP(loc, ty, rewriter, base, offs);
       rewriter.replaceOp(coor, retval);
-      return success();
+      return mlir::success();
     }
 
     return mlir::emitError(
@@ -2544,21 +2544,21 @@ struct FieldIndexOpConversion : public FIROpConversion<fir::FieldIndexOp> {
       // component type in the parent type (to be used in GEP).
       rewriter.replaceOp(field, mlir::ValueRange{genConstantOffset(
                                     field.getLoc(), rewriter, index)});
-      return success();
+      return mlir::success();
     }
 
     // Derived type has compile-time constant layout. Call the compiler
     // generated function to determine the byte offset of the field at runtime.
     // This returns a non-constant.
-    FlatSymbolRefAttr symAttr = mlir::SymbolRefAttr::get(
+    mlir::FlatSymbolRefAttr symAttr = mlir::SymbolRefAttr::get(
         field.getContext(), getOffsetMethodName(recTy, field.getFieldId()));
-    NamedAttribute callAttr = rewriter.getNamedAttr("callee", symAttr);
-    NamedAttribute fieldAttr = rewriter.getNamedAttr(
+    mlir::NamedAttribute callAttr = rewriter.getNamedAttr("callee", symAttr);
+    mlir::NamedAttribute fieldAttr = rewriter.getNamedAttr(
         "field", mlir::IntegerAttr::get(lowerTy().indexType(), index));
     rewriter.replaceOpWithNewOp<mlir::LLVM::CallOp>(
         field, lowerTy().offsetType(), adaptor.getOperands(),
         llvm::ArrayRef<mlir::NamedAttribute>{callAttr, fieldAttr});
-    return success();
+    return mlir::success();
   }
 
   // Re-Construct the name of the compiler generated method that calculates the
@@ -2577,7 +2577,7 @@ struct FirEndOpConversion : public FIROpConversion<fir::FirEndOp> {
   matchAndRewrite(fir::FirEndOp firEnd, OpAdaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(firEnd.getLoc(), "fir.end codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -2589,7 +2589,7 @@ struct GenTypeDescOpConversion : public FIROpConversion<fir::GenTypeDescOp> {
   matchAndRewrite(fir::GenTypeDescOp gentypedesc, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(gentypedesc.getLoc(), "fir.gentypedesc codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -2600,8 +2600,9 @@ struct HasValueOpConversion : public FIROpConversion<fir::HasValueOp> {
   mlir::LogicalResult
   matchAndRewrite(fir::HasValueOp op, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
-    rewriter.replaceOpWithNewOp<LLVM::ReturnOp>(op, adaptor.getOperands());
-    return success();
+    rewriter.replaceOpWithNewOp<mlir::LLVM::ReturnOp>(op,
+                                                      adaptor.getOperands());
+    return mlir::success();
   }
 };
 
@@ -2640,13 +2641,13 @@ struct GlobalOpConversion : public FIROpConversion<fir::GlobalOp> {
             auto convertOp = mlir::dyn_cast<fir::ConvertOp>(op);
             if (!convertOp)
               continue;
-            constant = cast<mlir::arith::ConstantOp>(
+            constant = mlir::cast<mlir::arith::ConstantOp>(
                 convertOp.getValue().getDefiningOp());
           }
           mlir::Type vecType = mlir::VectorType::get(
               insertOp.getType().getShape(), constant.getType());
           auto denseAttr = mlir::DenseElementsAttr::get(
-              vecType.cast<ShapedType>(), constant.getValue());
+              vecType.cast<mlir::ShapedType>(), constant.getValue());
           rewriter.setInsertionPointAfter(insertOp);
           rewriter.replaceOpWithNewOp<mlir::arith::ConstantOp>(
               insertOp, seqTyAttr, denseAttr);
@@ -2654,7 +2655,7 @@ struct GlobalOpConversion : public FIROpConversion<fir::GlobalOp> {
       }
     }
     rewriter.eraseOp(global);
-    return success();
+    return mlir::success();
   }
 
   bool isFullRange(mlir::DenseIntElementsAttr indexes,
@@ -2674,7 +2675,8 @@ struct GlobalOpConversion : public FIROpConversion<fir::GlobalOp> {
 
   // TODO: String comparaison should be avoided. Replace linkName with an
   // enumeration.
-  mlir::LLVM::Linkage convertLinkage(Optional<StringRef> optLinkage) const {
+  mlir::LLVM::Linkage
+  convertLinkage(llvm::Optional<llvm::StringRef> optLinkage) const {
     if (optLinkage.hasValue()) {
       auto name = optLinkage.getValue();
       if (name == "internal")
@@ -2706,12 +2708,11 @@ struct LoadOpConversion : public FIROpConversion<fir::LoadOp> {
     if (load.getType().isa<fir::BoxType>()) {
       rewriter.replaceOp(load, adaptor.getOperands()[0]);
     } else {
-      mlir::Type ty = convertType(load.getType());
-      ArrayRef<NamedAttribute> at = load->getAttrs();
       rewriter.replaceOpWithNewOp<mlir::LLVM::LoadOp>(
-          load, ty, adaptor.getOperands(), at);
+          load, convertType(load.getType()), adaptor.getOperands(),
+          load->getAttrs());
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -2725,12 +2726,12 @@ struct NoReassocOpConversion : public FIROpConversion<fir::NoReassocOp> {
   matchAndRewrite(fir::NoReassocOp noreassoc, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     rewriter.replaceOp(noreassoc, adaptor.getOperands()[0]);
-    return success();
+    return mlir::success();
   }
 };
 
 static void genCondBrOp(mlir::Location loc, mlir::Value cmp, mlir::Block *dest,
-                        Optional<mlir::ValueRange> destOps,
+                        llvm::Optional<mlir::ValueRange> destOps,
                         mlir::ConversionPatternRewriter &rewriter,
                         mlir::Block *newBlock) {
   if (destOps.hasValue())
@@ -2741,7 +2742,7 @@ static void genCondBrOp(mlir::Location loc, mlir::Value cmp, mlir::Block *dest,
 }
 
 template <typename A, typename B>
-static void genBrOp(A caseOp, mlir::Block *dest, Optional<B> destOps,
+static void genBrOp(A caseOp, mlir::Block *dest, llvm::Optional<B> destOps,
                     mlir::ConversionPatternRewriter &rewriter) {
   if (destOps.hasValue())
     rewriter.replaceOpWithNewOp<mlir::LLVM::BrOp>(caseOp, destOps.getValue(),
@@ -2752,7 +2753,7 @@ static void genBrOp(A caseOp, mlir::Block *dest, Optional<B> destOps,
 
 static void genCaseLadderStep(mlir::Location loc, mlir::Value cmp,
                               mlir::Block *dest,
-                              Optional<mlir::ValueRange> destOps,
+                              llvm::Optional<mlir::ValueRange> destOps,
                               mlir::ConversionPatternRewriter &rewriter) {
   auto *thisBlock = rewriter.getInsertionBlock();
   auto *newBlock = createBlock(rewriter, dest);
@@ -2792,7 +2793,7 @@ struct SelectCaseOpConversion : public FIROpConversion<fir::SelectCaseOp> {
     auto ty = caseOp.getSelector().getType();
     if (ty.isa<fir::CharacterType>()) {
       TODO(caseOp.getLoc(), "fir.select_case codegen with character type");
-      return failure();
+      return mlir::failure();
     }
     mlir::Value selector = caseOp.getSelector(adaptor.getOperands());
     auto loc = caseOp.getLoc();
@@ -2842,7 +2843,7 @@ struct SelectCaseOpConversion : public FIROpConversion<fir::SelectCaseOp> {
       assert((t + 1 == conds) && "unit must be last");
       genBrOp(caseOp, dest, destOps, rewriter);
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -2869,20 +2870,20 @@ static void selectMatchAndRewrite(fir::LLVMTypeConverter &lowering, OP select,
     if (auto intAttr = attr.template dyn_cast<mlir::IntegerAttr>()) {
       destinations.push_back(dest);
       destinationsOperands.push_back(destOps.hasValue() ? *destOps
-                                                        : ValueRange());
+                                                        : mlir::ValueRange{});
       caseValues.push_back(intAttr.getInt());
       continue;
     }
     assert(attr.template dyn_cast_or_null<mlir::UnitAttr>());
     assert((t + 1 == conds) && "unit must be last");
     defaultDestination = dest;
-    defaultOperands = destOps.hasValue() ? *destOps : ValueRange();
+    defaultOperands = destOps.hasValue() ? *destOps : mlir::ValueRange{};
   }
 
   // LLVM::SwitchOp takes a i32 type for the selector.
   if (select.getSelector().getType() != rewriter.getI32Type())
-    selector =
-        rewriter.create<LLVM::TruncOp>(loc, rewriter.getI32Type(), selector);
+    selector = rewriter.create<mlir::LLVM::TruncOp>(loc, rewriter.getI32Type(),
+                                                    selector);
 
   rewriter.replaceOpWithNewOp<mlir::LLVM::SwitchOp>(
       select, selector,
@@ -2891,7 +2892,7 @@ static void selectMatchAndRewrite(fir::LLVMTypeConverter &lowering, OP select,
       /*caseValues=*/caseValues,
       /*caseDestinations=*/destinations,
       /*caseOperands=*/destinationsOperands,
-      /*branchWeights=*/ArrayRef<int32_t>());
+      /*branchWeights=*/llvm::ArrayRef<std::int32_t>());
 }
 
 /// conversion of fir::SelectOp to an if-then-else ladder
@@ -2902,7 +2903,7 @@ struct SelectOpConversion : public FIROpConversion<fir::SelectOp> {
   matchAndRewrite(fir::SelectOp op, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     selectMatchAndRewrite<fir::SelectOp>(lowerTy(), op, adaptor, rewriter);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -2914,7 +2915,7 @@ struct SelectRankOpConversion : public FIROpConversion<fir::SelectRankOp> {
   matchAndRewrite(fir::SelectRankOp op, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     selectMatchAndRewrite<fir::SelectRankOp>(lowerTy(), op, adaptor, rewriter);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -2927,7 +2928,7 @@ struct SelectTypeOpConversion : public FIROpConversion<fir::SelectTypeOp> {
                   mlir::ConversionPatternRewriter &rewriter) const override {
     mlir::emitError(select.getLoc(),
                     "fir.select_type should have already been converted");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -2951,7 +2952,7 @@ struct StoreOpConversion : public FIROpConversion<fir::StoreOp> {
       rewriter.replaceOpWithNewOp<mlir::LLVM::StoreOp>(
           store, adaptor.getOperands()[0], adaptor.getOperands()[1]);
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -2965,7 +2966,7 @@ struct UnboxCharOpConversion : public FIROpConversion<fir::UnboxCharOp> {
   mlir::LogicalResult
   matchAndRewrite(fir::UnboxCharOp unboxchar, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
-    MLIRContext *ctx = unboxchar.getContext();
+    auto *ctx = unboxchar.getContext();
 
     mlir::Type lenTy = convertType(unboxchar.getType(1));
     mlir::Value tuple = adaptor.getOperands()[0];
@@ -2980,8 +2981,8 @@ struct UnboxCharOpConversion : public FIROpConversion<fir::UnboxCharOp> {
     mlir::Value lenAfterCast = integerCast(loc, rewriter, lenTy, len);
 
     rewriter.replaceOp(unboxchar,
-                       ArrayRef<mlir::Value>{ptrToBuffer, lenAfterCast});
-    return success();
+                       llvm::ArrayRef<mlir::Value>{ptrToBuffer, lenAfterCast});
+    return mlir::success();
   }
 };
 
@@ -2995,7 +2996,7 @@ struct UnboxProcOpConversion : public FIROpConversion<fir::UnboxProcOp> {
   matchAndRewrite(fir::UnboxProcOp unboxproc, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     TODO(unboxproc.getLoc(), "fir.unboxproc codegen");
-    return failure();
+    return mlir::failure();
   }
 };
 
@@ -3008,7 +3009,7 @@ struct UndefOpConversion : public FIROpConversion<fir::UndefOp> {
                   mlir::ConversionPatternRewriter &rewriter) const override {
     rewriter.replaceOpWithNewOp<mlir::LLVM::UndefOp>(
         undef, convertType(undef.getType()));
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3033,7 +3034,7 @@ struct ZeroOpConversion : public FIROpConversion<fir::ZeroOp> {
           zero,
           "conversion of fir.zero with aggregate type not implemented yet");
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3045,7 +3046,7 @@ struct UnreachableOpConversion : public FIROpConversion<fir::UnreachableOp> {
   matchAndRewrite(fir::UnreachableOp unreach, OpAdaptor adaptor,
                   mlir::ConversionPatternRewriter &rewriter) const override {
     rewriter.replaceOpWithNewOp<mlir::LLVM::UnreachableOp>(unreach);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3080,7 +3081,7 @@ struct IsPresentOpConversion : public FIROpConversion<fir::IsPresentOp> {
     rewriter.replaceOpWithNewOp<mlir::LLVM::ICmpOp>(
         isPresent, mlir::LLVM::ICmpPredicate::ne, addr, c0);
 
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3108,7 +3109,7 @@ struct AbsentOpConversion : public FIROpConversion<fir::AbsentOp> {
     } else {
       rewriter.replaceOpWithNewOp<mlir::LLVM::NullOp>(absent, ty);
     }
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3154,7 +3155,7 @@ struct AddcOpConversion : public FIROpConversion<fir::AddcOp> {
     auto r = complexSum<mlir::LLVM::FAddOp>(addc, adaptor.getOperands(),
                                             rewriter, lowerTy());
     rewriter.replaceOp(addc, r.getResult());
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3169,7 +3170,7 @@ struct SubcOpConversion : public FIROpConversion<fir::SubcOp> {
     auto r = complexSum<mlir::LLVM::FSubOp>(subc, adaptor.getOperands(),
                                             rewriter, lowerTy());
     rewriter.replaceOp(subc, r.getResult());
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3205,7 +3206,7 @@ struct MulcOpConversion : public FIROpConversion<fir::MulcOp> {
     auto r1 = rewriter.create<mlir::LLVM::InsertValueOp>(loc, ty, ra, rr, c0);
     auto r0 = rewriter.create<mlir::LLVM::InsertValueOp>(loc, ty, r1, ri, c1);
     rewriter.replaceOp(mulc, r0.getResult());
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3247,7 +3248,7 @@ struct DivcOpConversion : public FIROpConversion<fir::DivcOp> {
     auto r1 = rewriter.create<mlir::LLVM::InsertValueOp>(loc, ty, ra, rr, c0);
     auto r0 = rewriter.create<mlir::LLVM::InsertValueOp>(loc, ty, r1, ri, c1);
     rewriter.replaceOp(divc, r0.getResult());
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3273,7 +3274,7 @@ struct NegcOpConversion : public FIROpConversion<fir::NegcOp> {
     auto nip = rewriter.create<mlir::LLVM::FNegOp>(loc, eleTy, ip);
     auto r = rewriter.create<mlir::LLVM::InsertValueOp>(loc, ty, o0, nrp, c0);
     rewriter.replaceOpWithNewOp<mlir::LLVM::InsertValueOp>(neg, ty, r, nip, c1);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3294,7 +3295,7 @@ struct MustBeDeadConversion : public FIROpConversion<FromOp> {
     if (!op->getUses().empty())
       return rewriter.notifyMatchFailure(op, "op must be dead");
     rewriter.eraseOp(op);
-    return success();
+    return mlir::success();
   }
 };
 
@@ -3331,9 +3332,8 @@ class FIRToLLVMLowering : public fir::FIRToLLVMLoweringBase<FIRToLLVMLowering> {
 
   void runOnOperation() override final {
     auto mod = getModule();
-    if (!forcedTargetTriple.empty()) {
+    if (!forcedTargetTriple.empty())
       fir::setTargetTriple(mod, forcedTargetTriple);
-    }
 
     auto *context = getModule().getContext();
     fir::LLVMTypeConverter typeConverter{getModule()};
@@ -3396,8 +3396,7 @@ struct LLVMIRLoweringPass
                                mlir::OperationPass<mlir::ModuleOp>> {
   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(LLVMIRLoweringPass)
 
-  using Printer = fir::LLVMIRLoweringPrinter;
-  LLVMIRLoweringPass(raw_ostream &output, Printer p)
+  LLVMIRLoweringPass(llvm::raw_ostream &output, fir::LLVMIRLoweringPrinter p)
       : output{output}, printer{p} {}
 
   mlir::ModuleOp getModule() { return getOperation(); }
@@ -3417,8 +3416,8 @@ struct LLVMIRLoweringPass
   }
 
 private:
-  raw_ostream &output;
-  Printer printer;
+  llvm::raw_ostream &output;
+  fir::LLVMIRLoweringPrinter printer;
 };
 
 } // namespace
@@ -3428,12 +3427,12 @@ std::unique_ptr<mlir::Pass> fir::createFIRToLLVMPass() {
 }
 
 std::unique_ptr<mlir::Pass>
-fir::createFIRToLLVMPass(FIRToLLVMPassOptions options) {
+fir::createFIRToLLVMPass(fir::FIRToLLVMPassOptions options) {
   return std::make_unique<FIRToLLVMLowering>(options);
 }
 
 std::unique_ptr<mlir::Pass>
-fir::createLLVMDialectToLLVMPass(raw_ostream &output,
+fir::createLLVMDialectToLLVMPass(llvm::raw_ostream &output,
                                  fir::LLVMIRLoweringPrinter printer) {
   return std::make_unique<LLVMIRLoweringPass>(output, printer);
 }

diff  --git a/flang/lib/Optimizer/CodeGen/TargetRewrite.cpp b/flang/lib/Optimizer/CodeGen/TargetRewrite.cpp
index ba12e2751952e..65932b8d3ab4e 100644
--- a/flang/lib/Optimizer/CodeGen/TargetRewrite.cpp
+++ b/flang/lib/Optimizer/CodeGen/TargetRewrite.cpp
@@ -30,9 +30,6 @@
 #include "llvm/ADT/TypeSwitch.h"
 #include "llvm/Support/Debug.h"
 
-using namespace fir;
-using namespace mlir;
-
 #define DEBUG_TYPE "flang-target-rewrite"
 
 namespace {
@@ -69,9 +66,9 @@ struct FixupTy {
 /// generation that traverses the FIR and modifies types and operations to a
 /// form that is appropriate for the specific target. LLVM IR has specific
 /// idioms that are used for distinct target processor and ABI combinations.
-class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
+class TargetRewrite : public fir::TargetRewriteBase<TargetRewrite> {
 public:
-  TargetRewrite(const TargetRewriteOptions &options) {
+  TargetRewrite(const fir::TargetRewriteOptions &options) {
     noCharacterConversion = options.noCharacterConversion;
     noComplexConversion = options.noComplexConversion;
   }
@@ -82,10 +79,10 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
 
     auto mod = getModule();
     if (!forcedTargetTriple.empty())
-      setTargetTriple(mod, forcedTargetTriple);
+      fir::setTargetTriple(mod, forcedTargetTriple);
 
-    auto specifics = CodeGenSpecifics::get(
-        mod.getContext(), getTargetTriple(mod), getKindMapping(mod));
+    auto specifics = fir::CodeGenSpecifics::get(
+        mod.getContext(), fir::getTargetTriple(mod), fir::getKindMapping(mod));
     setMembers(specifics.get(), &rewriter);
 
     // Perform type conversion on signatures and call sites.
@@ -97,13 +94,13 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
 
     // Convert ops in target-specific patterns.
     mod.walk([&](mlir::Operation *op) {
-      if (auto call = dyn_cast<fir::CallOp>(op)) {
+      if (auto call = mlir::dyn_cast<fir::CallOp>(op)) {
         if (!hasPortableSignature(call.getFunctionType()))
           convertCallOp(call);
-      } else if (auto dispatch = dyn_cast<DispatchOp>(op)) {
+      } else if (auto dispatch = mlir::dyn_cast<fir::DispatchOp>(op)) {
         if (!hasPortableSignature(dispatch.getFunctionType()))
           convertCallOp(dispatch);
-      } else if (auto addr = dyn_cast<AddrOfOp>(op)) {
+      } else if (auto addr = mlir::dyn_cast<fir::AddrOfOp>(op)) {
         if (addr.getType().isa<mlir::FunctionType>() &&
             !hasPortableSignature(addr.getType()))
           convertAddrOp(addr);
@@ -123,17 +120,17 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     // scalar, including the sret case.
     assert(m.size() == 1 && "target lowering of complex return not supported");
     auto resTy = std::get<mlir::Type>(m[0]);
-    auto attr = std::get<CodeGenSpecifics::Attributes>(m[0]);
+    auto attr = std::get<fir::CodeGenSpecifics::Attributes>(m[0]);
     auto loc = mlir::UnknownLoc::get(resTy.getContext());
     if (attr.isSRet()) {
-      assert(isa_ref_type(resTy));
+      assert(fir::isa_ref_type(resTy) && "must be a memory reference type");
       mlir::Value stack =
-          rewriter->create<fir::AllocaOp>(loc, dyn_cast_ptrEleTy(resTy));
+          rewriter->create<fir::AllocaOp>(loc, fir::dyn_cast_ptrEleTy(resTy));
       newInTys.push_back(resTy);
       newOpers.push_back(stack);
       return [=](mlir::Operation *) -> mlir::Value {
-        auto memTy = ReferenceType::get(ty);
-        auto cast = rewriter->create<ConvertOp>(loc, memTy, stack);
+        auto memTy = fir::ReferenceType::get(ty);
+        auto cast = rewriter->create<fir::ConvertOp>(loc, memTy, stack);
         return rewriter->create<fir::LoadOp>(loc, cast);
       };
     }
@@ -141,8 +138,8 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     return [=](mlir::Operation *call) -> mlir::Value {
       auto mem = rewriter->create<fir::AllocaOp>(loc, resTy);
       rewriter->create<fir::StoreOp>(loc, call->getResult(0), mem);
-      auto memTy = ReferenceType::get(ty);
-      auto cast = rewriter->create<ConvertOp>(loc, memTy, mem);
+      auto memTy = fir::ReferenceType::get(ty);
+      auto cast = rewriter->create<fir::ConvertOp>(loc, memTy, mem);
       return rewriter->create<fir::LoadOp>(loc, cast);
     };
   }
@@ -156,15 +153,15 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     if (m.size() == 1) {
       // COMPLEX is a single aggregate
       auto resTy = std::get<mlir::Type>(m[0]);
-      auto attr = std::get<CodeGenSpecifics::Attributes>(m[0]);
-      auto oldRefTy = ReferenceType::get(ty);
+      auto attr = std::get<fir::CodeGenSpecifics::Attributes>(m[0]);
+      auto oldRefTy = fir::ReferenceType::get(ty);
       if (attr.isByVal()) {
         auto mem = rewriter->create<fir::AllocaOp>(loc, ty);
         rewriter->create<fir::StoreOp>(loc, oper, mem);
-        newOpers.push_back(rewriter->create<ConvertOp>(loc, resTy, mem));
+        newOpers.push_back(rewriter->create<fir::ConvertOp>(loc, resTy, mem));
       } else {
         auto mem = rewriter->create<fir::AllocaOp>(loc, resTy);
-        auto cast = rewriter->create<ConvertOp>(loc, oldRefTy, mem);
+        auto cast = rewriter->create<fir::ConvertOp>(loc, oldRefTy, mem);
         rewriter->create<fir::StoreOp>(loc, oper, cast);
         newOpers.push_back(rewriter->create<fir::LoadOp>(loc, mem));
       }
@@ -178,7 +175,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
         auto ty = std::get<mlir::Type>(tup);
         auto index = e.index();
         auto idx = rewriter->getIntegerAttr(iTy, index);
-        auto val = rewriter->create<ExtractValueOp>(
+        auto val = rewriter->create<fir::ExtractValueOp>(
             loc, ty, oper, rewriter->getArrayAttr(idx));
         newInTys.push_back(ty);
         newOpers.push_back(val);
@@ -234,7 +231,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
       mlir::Value oper = std::get<1>(e.value());
       unsigned index = e.index();
       llvm::TypeSwitch<mlir::Type>(ty)
-          .template Case<BoxCharType>([&](BoxCharType boxTy) {
+          .template Case<fir::BoxCharType>([&](fir::BoxCharType boxTy) {
             bool sret;
             if constexpr (std::is_same_v<std::decay_t<A>, fir::CallOp>) {
               sret = callOp.getCallee() &&
@@ -248,13 +245,14 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
               TODO(loc, "dispatch + sret not supported yet");
             }
             auto m = specifics->boxcharArgumentType(boxTy.getEleTy(), sret);
-            auto unbox =
-                rewriter->create<UnboxCharOp>(loc, std::get<mlir::Type>(m[0]),
-                                              std::get<mlir::Type>(m[1]), oper);
+            auto unbox = rewriter->create<fir::UnboxCharOp>(
+                loc, std::get<mlir::Type>(m[0]), std::get<mlir::Type>(m[1]),
+                oper);
             // unboxed CHARACTER arguments
             for (auto e : llvm::enumerate(m)) {
               unsigned idx = e.index();
-              auto attr = std::get<CodeGenSpecifics::Attributes>(e.value());
+              auto attr =
+                  std::get<fir::CodeGenSpecifics::Attributes>(e.value());
               auto argTy = std::get<mlir::Type>(e.value());
               if (attr.isAppend()) {
                 trailingInTys.push_back(argTy);
@@ -272,12 +270,12 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
             rewriteCallComplexInputType(cmplx, oper, newInTys, newOpers);
           })
           .template Case<mlir::TupleType>([&](mlir::TupleType tuple) {
-            if (isCharacterProcedureTuple(tuple)) {
+            if (fir::isCharacterProcedureTuple(tuple)) {
               mlir::ModuleOp module = getModule();
               if constexpr (std::is_same_v<std::decay_t<A>, fir::CallOp>) {
                 if (callOp.getCallee()) {
                   llvm::StringRef charProcAttr =
-                      getCharacterProcedureDummyAttrName();
+                      fir::getCharacterProcedureDummyAttrName();
                   // The charProcAttr attribute is only used as a safety to
                   // confirm that this is a dummy procedure and should be split.
                   // It cannot be used to match because attributes are not
@@ -294,9 +292,10 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
               }
               mlir::Type funcPointerType = tuple.getType(0);
               mlir::Type lenType = tuple.getType(1);
-              FirOpBuilder builder(*rewriter, getKindMapping(module));
+              fir::FirOpBuilder builder(*rewriter, fir::getKindMapping(module));
               auto [funcPointer, len] =
-                  factory::extractCharacterProcedureTuple(builder, loc, oper);
+                  fir::factory::extractCharacterProcedureTuple(builder, loc,
+                                                               oper);
               newInTys.push_back(funcPointerType);
               newOpers.push_back(funcPointer);
               trailingInTys.push_back(lenType);
@@ -344,7 +343,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     } else {
       for (auto &tup : specifics->complexReturnType(cmplx.getElementType())) {
         auto argTy = std::get<mlir::Type>(tup);
-        if (std::get<CodeGenSpecifics::Attributes>(tup).isSRet())
+        if (std::get<fir::CodeGenSpecifics::Attributes>(tup).isSRet())
           newInTys.push_back(argTy);
         else
           newResTys.push_back(argTy);
@@ -363,7 +362,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
   }
 
   /// Taking the address of a function. Modify the signature as needed.
-  void convertAddrOp(AddrOfOp addrOp) {
+  void convertAddrOp(fir::AddrOfOp addrOp) {
     rewriter->setInsertionPoint(addrOp);
     auto addrTy = addrOp.getType().cast<mlir::FunctionType>();
     llvm::SmallVector<mlir::Type> newResTys;
@@ -381,12 +380,12 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     llvm::SmallVector<mlir::Type> trailingInTys;
     for (mlir::Type ty : addrTy.getInputs()) {
       llvm::TypeSwitch<mlir::Type>(ty)
-          .Case<BoxCharType>([&](BoxCharType box) {
+          .Case<fir::BoxCharType>([&](auto box) {
             if (noCharacterConversion) {
               newInTys.push_back(box);
             } else {
               for (auto &tup : specifics->boxcharArgumentType(box.getEleTy())) {
-                auto attr = std::get<CodeGenSpecifics::Attributes>(tup);
+                auto attr = std::get<fir::CodeGenSpecifics::Attributes>(tup);
                 auto argTy = std::get<mlir::Type>(tup);
                 llvm::SmallVector<mlir::Type> &vec =
                     attr.isAppend() ? trailingInTys : newInTys;
@@ -401,7 +400,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
             lowerComplexSignatureArg(ty, newInTys);
           })
           .Case<mlir::TupleType>([&](mlir::TupleType tuple) {
-            if (isCharacterProcedureTuple(tuple)) {
+            if (fir::isCharacterProcedureTuple(tuple)) {
               newInTys.push_back(tuple.getType(0));
               trailingInTys.push_back(tuple.getType(1));
             } else {
@@ -414,8 +413,8 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     newInTys.insert(newInTys.end(), trailingInTys.begin(), trailingInTys.end());
     // replace this op with a new one with the updated signature
     auto newTy = rewriter->getFunctionType(newInTys, newResTys);
-    auto newOp =
-        rewriter->create<AddrOfOp>(addrOp.getLoc(), newTy, addrOp.getSymbol());
+    auto newOp = rewriter->create<fir::AddrOfOp>(addrOp.getLoc(), newTy,
+                                                 addrOp.getSymbol());
     replaceOp(addrOp, newOp.getResult());
   }
 
@@ -436,15 +435,15 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     assert(signature.isa<mlir::FunctionType>());
     auto func = signature.dyn_cast<mlir::FunctionType>();
     for (auto ty : func.getResults())
-      if ((ty.isa<BoxCharType>() && !noCharacterConversion) ||
-          (isa_complex(ty) && !noComplexConversion)) {
+      if ((ty.isa<fir::BoxCharType>() && !noCharacterConversion) ||
+          (fir::isa_complex(ty) && !noComplexConversion)) {
         LLVM_DEBUG(llvm::dbgs() << "rewrite " << signature << " for target\n");
         return false;
       }
     for (auto ty : func.getInputs())
-      if (((ty.isa<BoxCharType>() || isCharacterProcedureTuple(ty)) &&
+      if (((ty.isa<fir::BoxCharType>() || fir::isCharacterProcedureTuple(ty)) &&
            !noCharacterConversion) ||
-          (isa_complex(ty) && !noComplexConversion)) {
+          (fir::isa_complex(ty) && !noComplexConversion)) {
         LLVM_DEBUG(llvm::dbgs() << "rewrite " << signature << " for target\n");
         return false;
       }
@@ -456,7 +455,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
   static bool hasHostAssociations(mlir::func::FuncOp func) {
     std::size_t end = func.getFunctionType().getInputs().size();
     for (std::size_t i = 0; i < end; ++i)
-      if (func.getArgAttrOfType<mlir::UnitAttr>(i, getHostAssocAttrName()))
+      if (func.getArgAttrOfType<mlir::UnitAttr>(i, fir::getHostAssocAttrName()))
         return true;
     return false;
   }
@@ -494,7 +493,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
       auto ty = e.value();
       unsigned index = e.index();
       llvm::TypeSwitch<mlir::Type>(ty)
-          .Case<BoxCharType>([&](BoxCharType boxTy) {
+          .Case<fir::BoxCharType>([&](fir::BoxCharType boxTy) {
             if (noCharacterConversion) {
               newInTys.push_back(boxTy);
             } else {
@@ -506,7 +505,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
                        boxTy.getEleTy(), sret))) {
                 auto &tup = e.value();
                 auto index = e.index();
-                auto attr = std::get<CodeGenSpecifics::Attributes>(tup);
+                auto attr = std::get<fir::CodeGenSpecifics::Attributes>(tup);
                 auto argTy = std::get<mlir::Type>(tup);
                 if (attr.isAppend()) {
                   trailingTys.push_back(argTy);
@@ -536,7 +535,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
               doComplexArg(func, cmplx, newInTys, fixups);
           })
           .Case<mlir::TupleType>([&](mlir::TupleType tuple) {
-            if (isCharacterProcedureTuple(tuple)) {
+            if (fir::isCharacterProcedureTuple(tuple)) {
               fixups.emplace_back(FixupTy::Codes::TrailingCharProc,
                                   newInTys.size(), trailingTys.size());
               newInTys.push_back(tuple.getType(0));
@@ -547,7 +546,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           })
           .Default([&](mlir::Type ty) { newInTys.push_back(ty); });
       if (func.getArgAttrOfType<mlir::UnitAttr>(index,
-                                                getHostAssocAttrName())) {
+                                                fir::getHostAssocAttrName())) {
         func.setArgAttr(index, "llvm.nest", rewriter->getUnitAttr());
       }
     }
@@ -568,8 +567,9 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           auto newArg = func.front().insertArgument(fixup.index,
                                                     newInTys[fixup.index], loc);
           rewriter->setInsertionPointToStart(&func.front());
-          auto oldArgTy = ReferenceType::get(oldArgTys[fixup.index - offset]);
-          auto cast = rewriter->create<ConvertOp>(loc, oldArgTy, newArg);
+          auto oldArgTy =
+              fir::ReferenceType::get(oldArgTys[fixup.index - offset]);
+          auto cast = rewriter->create<fir::ConvertOp>(loc, oldArgTy, newArg);
           auto load = rewriter->create<fir::LoadOp>(loc, cast);
           func.getArgument(fixup.index + 1).replaceAllUsesWith(load);
           func.front().eraseArgument(fixup.index + 1);
@@ -583,8 +583,9 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           auto mem =
               rewriter->create<fir::AllocaOp>(loc, newInTys[fixup.index]);
           rewriter->create<fir::StoreOp>(loc, newArg, mem);
-          auto oldArgTy = ReferenceType::get(oldArgTys[fixup.index - offset]);
-          auto cast = rewriter->create<ConvertOp>(loc, oldArgTy, mem);
+          auto oldArgTy =
+              fir::ReferenceType::get(oldArgTys[fixup.index - offset]);
+          auto cast = rewriter->create<fir::ConvertOp>(loc, oldArgTy, mem);
           mlir::Value load = rewriter->create<fir::LoadOp>(loc, cast);
           func.getArgument(fixup.index + 1).replaceAllUsesWith(load);
           func.front().eraseArgument(fixup.index + 1);
@@ -601,7 +602,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           if (fixup.second == 1) {
             rewriter->setInsertionPointToStart(&func.front());
             auto boxTy = oldArgTys[fixup.index - offset - fixup.second];
-            auto box = rewriter->create<EmboxCharOp>(
+            auto box = rewriter->create<fir::EmboxCharOp>(
                 loc, boxTy, func.front().getArgument(fixup.index - 1), newArg);
             func.getArgument(fixup.index + 1).replaceAllUsesWith(box);
             func.front().eraseArgument(fixup.index + 1);
@@ -617,8 +618,9 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           func.walk([&](mlir::func::ReturnOp ret) {
             rewriter->setInsertionPoint(ret);
             auto oldOper = ret.getOperand(0);
-            auto oldOperTy = ReferenceType::get(oldOper.getType());
-            auto cast = rewriter->create<ConvertOp>(loc, oldOperTy, newArg);
+            auto oldOperTy = fir::ReferenceType::get(oldOper.getType());
+            auto cast =
+                rewriter->create<fir::ConvertOp>(loc, oldOperTy, newArg);
             rewriter->create<fir::StoreOp>(loc, oldOper, cast);
             rewriter->create<mlir::func::ReturnOp>(loc);
             ret.erase();
@@ -630,10 +632,10 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           func.walk([&](mlir::func::ReturnOp ret) {
             rewriter->setInsertionPoint(ret);
             auto oldOper = ret.getOperand(0);
-            auto oldOperTy = ReferenceType::get(oldOper.getType());
+            auto oldOperTy = fir::ReferenceType::get(oldOper.getType());
             auto mem =
                 rewriter->create<fir::AllocaOp>(loc, newResTys[fixup.index]);
-            auto cast = rewriter->create<ConvertOp>(loc, oldOperTy, mem);
+            auto cast = rewriter->create<fir::ConvertOp>(loc, oldOperTy, mem);
             rewriter->create<fir::StoreOp>(loc, oldOper, cast);
             mlir::Value load = rewriter->create<fir::LoadOp>(loc, mem);
             rewriter->create<mlir::func::ReturnOp>(loc, load);
@@ -648,14 +650,14 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
           if (fixup.second == 1) {
             rewriter->setInsertionPointToStart(&func.front());
             auto cplxTy = oldArgTys[fixup.index - offset - fixup.second];
-            auto undef = rewriter->create<UndefOp>(loc, cplxTy);
+            auto undef = rewriter->create<fir::UndefOp>(loc, cplxTy);
             auto iTy = rewriter->getIntegerType(32);
             auto zero = rewriter->getIntegerAttr(iTy, 0);
             auto one = rewriter->getIntegerAttr(iTy, 1);
-            auto cplx1 = rewriter->create<InsertValueOp>(
+            auto cplx1 = rewriter->create<fir::InsertValueOp>(
                 loc, cplxTy, undef, func.front().getArgument(fixup.index - 1),
                 rewriter->getArrayAttr(zero));
-            auto cplx = rewriter->create<InsertValueOp>(
+            auto cplx = rewriter->create<fir::InsertValueOp>(
                 loc, cplxTy, cplx1, newArg, rewriter->getArrayAttr(one));
             func.getArgument(fixup.index + 1).replaceAllUsesWith(cplx);
             func.front().eraseArgument(fixup.index + 1);
@@ -673,8 +675,8 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
               func.front().addArgument(trailingTys[fixup.second], loc);
           auto boxTy = oldArgTys[fixup.index - offset];
           rewriter->setInsertionPointToStart(&func.front());
-          auto box =
-              rewriter->create<EmboxCharOp>(loc, boxTy, newBufArg, newLenArg);
+          auto box = rewriter->create<fir::EmboxCharOp>(loc, boxTy, newBufArg,
+                                                        newLenArg);
           func.getArgument(fixup.index + 1).replaceAllUsesWith(box);
           func.front().eraseArgument(fixup.index + 1);
         } break;
@@ -689,8 +691,9 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
               func.front().addArgument(trailingTys[fixup.second], loc);
           auto tupleType = oldArgTys[fixup.index - offset];
           rewriter->setInsertionPointToStart(&func.front());
-          FirOpBuilder builder(*rewriter, getKindMapping(getModule()));
-          auto tuple = factory::createCharacterProcedureTuple(
+          fir::FirOpBuilder builder(*rewriter,
+                                    fir::getKindMapping(getModule()));
+          auto tuple = fir::factory::createCharacterProcedureTuple(
               builder, loc, tupleType, newProcPointerArg, newLenArg);
           func.getArgument(fixup.index + 1).replaceAllUsesWith(tuple);
           func.front().eraseArgument(fixup.index + 1);
@@ -730,7 +733,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     auto m = specifics->complexReturnType(cmplx.getElementType());
     assert(m.size() == 1);
     auto &tup = m[0];
-    auto attr = std::get<CodeGenSpecifics::Attributes>(tup);
+    auto attr = std::get<fir::CodeGenSpecifics::Attributes>(tup);
     auto argTy = std::get<mlir::Type>(tup);
     if (attr.isSRet()) {
       unsigned argNo = newInTys.size();
@@ -760,7 +763,7 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     for (auto e : llvm::enumerate(m)) {
       auto &tup = e.value();
       auto index = e.index();
-      auto attr = std::get<CodeGenSpecifics::Attributes>(tup);
+      auto attr = std::get<fir::CodeGenSpecifics::Attributes>(tup);
       auto argTy = std::get<mlir::Type>(tup);
       auto argNo = newInTys.size();
       if (attr.isByVal()) {
@@ -802,19 +805,19 @@ class TargetRewrite : public TargetRewriteBase<TargetRewrite> {
     op->erase();
   }
 
-  inline void setMembers(CodeGenSpecifics *s, mlir::OpBuilder *r) {
+  inline void setMembers(fir::CodeGenSpecifics *s, mlir::OpBuilder *r) {
     specifics = s;
     rewriter = r;
   }
 
   inline void clearMembers() { setMembers(nullptr, nullptr); }
 
-  CodeGenSpecifics *specifics{};
-  mlir::OpBuilder *rewriter;
+  fir::CodeGenSpecifics *specifics = nullptr;
+  mlir::OpBuilder *rewriter = nullptr;
 }; // namespace
 } // namespace
 
 std::unique_ptr<mlir::OperationPass<mlir::ModuleOp>>
-fir::createFirTargetRewritePass(const TargetRewriteOptions &options) {
+fir::createFirTargetRewritePass(const fir::TargetRewriteOptions &options) {
   return std::make_unique<TargetRewrite>(options);
 }

diff  --git a/flang/lib/Optimizer/CodeGen/TypeConverter.h b/flang/lib/Optimizer/CodeGen/TypeConverter.h
index 5d15dade2dd72..aefe5923c1396 100644
--- a/flang/lib/Optimizer/CodeGen/TypeConverter.h
+++ b/flang/lib/Optimizer/CodeGen/TypeConverter.h
@@ -92,8 +92,8 @@ class LLVMTypeConverter : public mlir::LLVMTypeConverter {
     addConversion(
         [&](fir::PointerType pointer) { return convertPointerLike(pointer); });
     addConversion([&](fir::RecordType derived,
-                      SmallVectorImpl<mlir::Type> &results,
-                      ArrayRef<mlir::Type> callStack) {
+                      llvm::SmallVectorImpl<mlir::Type> &results,
+                      llvm::ArrayRef<mlir::Type> callStack) {
       return convertRecordType(derived, results, callStack);
     });
     addConversion(
@@ -138,15 +138,15 @@ class LLVMTypeConverter : public mlir::LLVMTypeConverter {
   mlir::Type indexType() { return mlir::IntegerType::get(&getContext(), 64); }
 
   // fir.type<name(p : TY'...){f : TY...}>  -->  llvm<"%name = { ty... }">
-  llvm::Optional<LogicalResult>
+  llvm::Optional<mlir::LogicalResult>
   convertRecordType(fir::RecordType derived,
-                    SmallVectorImpl<mlir::Type> &results,
-                    ArrayRef<mlir::Type> callStack) {
+                    llvm::SmallVectorImpl<mlir::Type> &results,
+                    llvm::ArrayRef<mlir::Type> callStack) {
     auto name = derived.getName();
     auto st = mlir::LLVM::LLVMStructType::getIdentified(&getContext(), name);
     if (llvm::count(callStack, derived) > 1) {
       results.push_back(st);
-      return success();
+      return mlir::success();
     }
     llvm::SmallVector<mlir::Type> members;
     for (auto mem : derived.getTypeList()) {
@@ -158,9 +158,9 @@ class LLVMTypeConverter : public mlir::LLVMTypeConverter {
         members.push_back(convertType(mem.second).cast<mlir::Type>());
     }
     if (mlir::failed(st.setBody(members, /*isPacked=*/false)))
-      return failure();
+      return mlir::failure();
     results.push_back(st);
-    return success();
+    return mlir::success();
   }
 
   // Is an extended descriptor needed given the element type of a fir.box type ?

diff  --git a/flang/test/Fir/addrof.fir b/flang/test/Fir/addrof.fir
index 6a89c6fa58184..0147f55739c83 100644
--- a/flang/test/Fir/addrof.fir
+++ b/flang/test/Fir/addrof.fir
@@ -1,4 +1,4 @@
-// RUN: fir-opt %s | tco | FileCheck %s
+// RUN: tco %s | FileCheck %s
 
 // CHECK: @var_x = external global i32
 fir.global @var_x : !fir.int<4> {}

diff  --git a/flang/test/Fir/embox.fir b/flang/test/Fir/embox.fir
index 64eec479a86e7..27211550bb3da 100644
--- a/flang/test/Fir/embox.fir
+++ b/flang/test/Fir/embox.fir
@@ -1,4 +1,4 @@
-// RUN: fir-opt %s | tco | FileCheck %s
+// RUN: tco %s | FileCheck %s
 
 
 // CHECK-LABEL: define void @_QPtest_callee({ i32*, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }* %0)

diff  --git a/flang/test/Fir/rebox.fir b/flang/test/Fir/rebox.fir
index c60eace3e604c..e26113f52adea 100644
--- a/flang/test/Fir/rebox.fir
+++ b/flang/test/Fir/rebox.fir
@@ -1,4 +1,4 @@
-// RUN: fir-opt %s | tco | FileCheck %s
+// RUN: tco %s | FileCheck %s
 
 // Test applying slice on fir.box
 //   subroutine foo(x)


        


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