diff --git a/.circleci/config.yml b/.circleci/config.yml
index f5e283c..1b97883 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -18,7 +18,7 @@ jobs:
             git submodule update --init --recursive
       # Use cached mlir installation if possible.
       - restore_cache:
-          key: V15-LLVM-PROJECT-{{ arch }}
+          key: V17-LLVM-PROJECT-{{ arch }}
       - run:
           name: Install MLIR
           command: |
@@ -29,7 +29,7 @@ jobs:
               source onnx-mlir/utils/install-mlir.sh
             fi
       - save_cache:
-          key: V15-LLVM-PROJECT-{{ arch }}
+          key: V17-LLVM-PROJECT-{{ arch }}
           paths:
             - llvm-project
       - run:
diff --git a/.travis.yml b/.travis.yml
index 5be1f34..15cfbc2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ script:
   - echo "CPU Architecture is " $TRAVIS_CPU_ARCH
   - echo "commit is " $TRAVIS_COMMIT
   - df -h
-  - if [ "$TRAVIS_COMMIT_MESSAGE" == "Update MLIR version" ]; then
+  - if true; then
            echo "Building Prereq";
            docker build --tag onnxmlirczar/onnx-mlir-llvmimage:$TRAVIS_CPU_ARCH -f ./docker/prereq.$TRAVIS_CPU_ARCH.Dockerfile ./utils;
            docker login -u onnxmlirczar -p 143f1da2-332f-45a1-8587-d6cb07c13230 
diff --git a/MLIR.cmake b/MLIR.cmake
index 41d0050..ab8a1a5 100644
--- a/MLIR.cmake
+++ b/MLIR.cmake
@@ -133,11 +133,13 @@ function(find_mlir_lib lib)
 endfunction(find_mlir_lib)
 
 find_mlir_lib(MLIRAffineOps)
+find_mlir_lib(MLIRAffineUtils)
 find_mlir_lib(MLIRAffineToStandard)
 find_mlir_lib(MLIRAffineTransforms)
 find_mlir_lib(MLIRAnalysis)
 find_mlir_lib(MLIRCallInterfaces)
 find_mlir_lib(MLIRControlFlowInterfaces)
+find_mlir_lib(MLIRCopyOpInterface)
 find_mlir_lib(MLIRDialect)
 find_mlir_lib(MLIREDSC)
 find_mlir_lib(MLIRExecutionEngine)
@@ -158,6 +160,7 @@ find_mlir_lib(MLIRMlirOptMain)
 find_mlir_lib(MLIRParser)
 find_mlir_lib(MLIRPass)
 find_mlir_lib(MLIRStandardOps)
+find_mlir_lib(MLIRStandardOpsTransforms)
 find_mlir_lib(MLIRStandardToLLVM)
 find_mlir_lib(MLIRSideEffectInterfaces)
 find_mlir_lib(MLIRTargetLLVMIR)
@@ -172,12 +175,14 @@ find_mlir_lib(MLIRTargetLLVMIR)
 find_mlir_lib(MLIRTransformUtils)
 find_mlir_lib(MLIRTranslation)
 find_mlir_lib(MLIRVector)
+find_mlir_lib(MLIRVectorInterfaces)
 find_mlir_lib(MLIRVectorToLLVM)
 find_mlir_lib(MLIRVectorToSCF)
 find_mlir_lib(MLIRMlirOptMain)
 find_mlir_lib(MLIRAffineEDSC)
 find_mlir_lib(MLIRLinalgEDSC)
 find_mlir_lib(MLIRViewLikeInterface)
+find_mlir_lib(MLIRPresburger)
 
 find_mlir_lib(LLVMCore)
 find_mlir_lib(LLVMSupport)
@@ -200,12 +205,16 @@ find_mlir_lib(LLVMFrontendOpenMP)
 set(MLIRLibs
         ${MLIRAffineToStandard}
         ${MLIRAffineOps}
+        ${MLIRAffineUtils}
+        ${MLIRCopyOpInterface}
         ${MLIRLLVMIR}
         ${MLIRStandardOps}
+        ${MLIRStandardOpsTransforms}
         ${MLIRStandardToLLVM}
         ${MLIRTransforms}
         ${MLIRSCFToStandard}
         ${MLIRVector}
+        ${MLIRVectorInterfaces}
         ${MLIRVectorToLLVM}
         ${MLIRVectorToSCF}
         ${MLIRSCF}
@@ -249,6 +258,7 @@ set(MLIRLibs
         ${MLIRAffineEDSC}
         ${MLIRLinalgEDSC}
         ${MLIRViewLikeInterface}
+        ${MLIRPresburger}
         # strict order verified
         ${LLVMBitWriter}
         ${LLVMObject}
diff --git a/README.md b/README.md
index 977bdb1..3d803db 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Firstly, install MLIR (as a part of LLVM-Project):
 ``` bash
 git clone https://github.com/llvm/llvm-project.git
 # Check out a specific branch that is known to work with ONNX MLIR.
-cd llvm-project && git checkout 32791937d7aceb0a5e1eaabf1bb1a6dbe1639792 && cd ..
+cd llvm-project && git checkout 9c94908320549a1a2328c758d6bbb694466021e7 && cd ..
 ```
 
 [same-as-file]: <> (utils/build-mlir.sh)
@@ -152,7 +152,7 @@ Install MLIR (as a part of LLVM-Project):
 ```shell
 git clone https://github.com/llvm/llvm-project.git
 # Check out a specific branch that is known to work with ONNX MLIR.
-cd llvm-project && git checkout 32791937d7aceb0a5e1eaabf1bb1a6dbe1639792 && cd ..
+cd llvm-project && git checkout 9c94908320549a1a2328c758d6bbb694466021e7 && cd ..
 ```
 
 [same-as-file]: <> (utils/build-mlir.cmd)
diff --git a/docs/README.md b/docs/README.md
index 80ac015..e9cf1f4 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -20,7 +20,7 @@ Firstly, install MLIR (as a part of LLVM-Project):
 ``` bash
 git clone https://github.com/llvm/llvm-project.git
 # Check out a specific branch that is known to work with ONNX MLIR.
-cd llvm-project && git checkout 32791937d7aceb0a5e1eaabf1bb1a6dbe1639792 && cd ..
+cd llvm-project && git checkout 9c94908320549a1a2328c758d6bbb694466021e7 && cd ..
 ```
 
 [same-as-file]: <> (utils/build-mlir.sh)
@@ -110,7 +110,7 @@ Install MLIR (as a part of LLVM-Project):
 ```shell
 git clone https://github.com/llvm/llvm-project.git
 # Check out a specific branch that is known to work with ONNX MLIR.
-cd llvm-project && git checkout 32791937d7aceb0a5e1eaabf1bb1a6dbe1639792 && cd ..
+cd llvm-project && git checkout 9c94908320549a1a2328c758d6bbb694466021e7 && cd ..
 ```
 
 [same-as-file]: <> (utils/build-mlir.cmd)
diff --git a/src/Conversion/KrnlToAffine/KrnlToAffine.cpp b/src/Conversion/KrnlToAffine/KrnlToAffine.cpp
index a0ae2de..5c9626a 100644
--- a/src/Conversion/KrnlToAffine/KrnlToAffine.cpp
+++ b/src/Conversion/KrnlToAffine/KrnlToAffine.cpp
@@ -31,7 +31,7 @@ public:
 
   LogicalResult matchAndRewrite(
       KrnlTerminatorOp op, PatternRewriter &rewriter) const override {
-    rewriter.replaceOpWithNewOp<AffineTerminatorOp>(op);
+    rewriter.replaceOpWithNewOp<AffineYieldOp>(op);
     return success();
   }
 };
@@ -233,7 +233,7 @@ void ConvertKrnlToAffinePass::runOnFunction() {
 
   ConversionTarget target(getContext());
   target.addIllegalOp<KrnlTerminatorOp>();
-  target.addLegalOp<AffineTerminatorOp>();
+  target.addLegalOp<AffineYieldOp>();
   OwningRewritePatternList patterns;
   patterns.insert<KrnlTerminatorLowering>(&getContext());
   DenseSet<Operation *> unconverted;
diff --git a/src/Conversion/KrnlToLLVM/KrnlToLLVM.cpp b/src/Conversion/KrnlToLLVM/KrnlToLLVM.cpp
index c3f5a60..5ca2a89 100644
--- a/src/Conversion/KrnlToLLVM/KrnlToLLVM.cpp
+++ b/src/Conversion/KrnlToLLVM/KrnlToLLVM.cpp
@@ -105,17 +105,17 @@ static size_t getRankFromMemRefType(LLVM::LLVMType memRefTy) {
 
 /// Return a symbol reference to the memcpy function, inserting it into the
 /// module if necessary.
-static FlatSymbolRefAttr getOrInsertMemcpy(PatternRewriter &rewriter,
-    ModuleOp module, LLVM::LLVMDialect *llvmDialect) {
+static FlatSymbolRefAttr getOrInsertMemcpy(
+    PatternRewriter &rewriter, ModuleOp module) {
   auto *context = module.getContext();
   if (module.lookupSymbol<LLVM::LLVMFuncOp>("llvm.memcpy.p0i8.p0i8.i64"))
     return SymbolRefAttr::get("llvm.memcpy.p0i8.p0i8.i64", context);
   // Create a function declaration for memcpy, the signature is:
   //   * `void (i8*, i8* , i64, i1)`
-  auto llvmVoidTy = LLVM::LLVMType::getVoidTy(llvmDialect);
-  auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(llvmDialect);
-  auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
-  auto llvmI1Ty = LLVM::LLVMType::getInt1Ty(llvmDialect);
+  auto llvmVoidTy = LLVM::LLVMType::getVoidTy(context);
+  auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(context);
+  auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(context);
+  auto llvmI1Ty = LLVM::LLVMType::getInt1Ty(context);
   auto llvmFnType = LLVM::LLVMType::getFunctionTy(llvmVoidTy,
       ArrayRef<mlir::LLVM::LLVMType>(
           {llvmI8PtrTy, llvmI8PtrTy, llvmI64Ty, llvmI1Ty}),
@@ -144,9 +144,6 @@ public:
       ConversionPatternRewriter &rewriter) const override {
     auto *context = op->getContext();
     auto loc = op->getLoc();
-    auto *llvmDialect =
-        op->getContext()->getRegisteredDialect<LLVM::LLVMDialect>();
-    assert(llvmDialect && "expected llvm dialect to be registered");
 
     KrnlGetRefOpAdaptor operandAdaptor(operands);
 
@@ -209,9 +206,6 @@ public:
       ConversionPatternRewriter &rewriter) const override {
     auto *context = op->getContext();
     auto loc = op->getLoc();
-    auto *llvmDialect =
-        op->getContext()->getRegisteredDialect<LLVM::LLVMDialect>();
-    assert(llvmDialect && "expected llvm dialect to be registered");
 
     auto krnlGlobalOp = llvm::dyn_cast<KrnlGlobalOp>(op);
 
@@ -258,8 +252,8 @@ public:
       }
 
       // Some frequently used types.
-      auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(llvmDialect);
-      auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
+      auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(context);
+      auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(context);
 
       // Allocate the memory where the constants will be used from.
       // This is a region of local memory and needs to be emitted as an alloca.
@@ -288,17 +282,17 @@ public:
           rewriter.create<LLVM::SExtOp>(loc, llvmI64Ty, totalElementsSize);
       //  - Set volatile.
       Value isVolatile = rewriter.create<LLVM::ConstantOp>(loc,
-          LLVM::LLVMType::getInt1Ty(llvmDialect),
+          LLVM::LLVMType::getInt1Ty(context),
           rewriter.getIntegerAttr(rewriter.getIntegerType(1), 0));
       //  - Copy constant data into the alloca.
-      auto memcpyRef = getOrInsertMemcpy(rewriter, module, llvmDialect);
+      auto memcpyRef = getOrInsertMemcpy(rewriter, module);
       rewriter.create<CallOp>(loc, memcpyRef,
-          LLVM::LLVMType::getVoidTy(llvmDialect),
+          LLVM::LLVMType::getVoidTy(context),
           ArrayRef<Value>({int8PtrAlloc, i8PtrGlobal, int64Size, isVolatile}));
     } else {
       // Some frequently used types.
-      auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(llvmDialect);
-      auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
+      auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(context);
+      auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(context);
 
       // Allocate the memory where the constants will be used from.
       // This is a region of local memory and needs to be emitted as an alloca.
@@ -351,13 +345,10 @@ public:
     auto *context = op->getContext();
     KrnlMemcpyOpAdaptor operandAdaptor(operands);
     auto loc = op->getLoc();
-    auto *llvmDialect =
-        op->getContext()->getRegisteredDialect<LLVM::LLVMDialect>();
-    assert(llvmDialect && "expected llvm dialect to be registered");
 
     // Get a symbol reference to the memcpy function, inserting it if necessary.
     ModuleOp parentModule = op->getParentOfType<ModuleOp>();
-    auto memcpyRef = getOrInsertMemcpy(rewriter, parentModule, llvmDialect);
+    auto memcpyRef = getOrInsertMemcpy(rewriter, parentModule);
 
     // First operand.
     Type dstType = operandAdaptor.dest()
@@ -367,7 +358,7 @@ public:
     Value alignedDstMemory = rewriter.create<LLVM::ExtractValueOp>(
         loc, dstType, operandAdaptor.dest(), rewriter.getI64ArrayAttr(1));
     Value alignedInt8PtrDstMemory = rewriter.create<LLVM::BitcastOp>(
-        loc, LLVM::LLVMType::getInt8PtrTy(llvmDialect), alignedDstMemory);
+        loc, LLVM::LLVMType::getInt8PtrTy(context), alignedDstMemory);
 
     // Second operand.
     Type srcType = operandAdaptor.src()
@@ -377,20 +368,19 @@ public:
     Value alignedSrcMemory = rewriter.create<LLVM::ExtractValueOp>(
         loc, srcType, operandAdaptor.src(), rewriter.getI64ArrayAttr(1));
     Value alignedInt8PtrSrcMemory = rewriter.create<LLVM::BitcastOp>(
-        loc, LLVM::LLVMType::getInt8PtrTy(llvmDialect), alignedSrcMemory);
+        loc, LLVM::LLVMType::getInt8PtrTy(context), alignedSrcMemory);
 
     // Size.
     Value int64Size = rewriter.create<LLVM::SExtOp>(
-        loc, LLVM::LLVMType::getInt64Ty(llvmDialect), operandAdaptor.size());
+        loc, LLVM::LLVMType::getInt64Ty(context), operandAdaptor.size());
 
     // Is volatile (set to false).
     Value isVolatile = rewriter.create<LLVM::ConstantOp>(loc,
-        LLVM::LLVMType::getInt1Ty(llvmDialect),
+        LLVM::LLVMType::getInt1Ty(context),
         rewriter.getIntegerAttr(rewriter.getIntegerType(1), 0));
 
     // Memcpy call
-    rewriter.create<CallOp>(loc, memcpyRef,
-        LLVM::LLVMType::getVoidTy(llvmDialect),
+    rewriter.create<CallOp>(loc, memcpyRef, LLVM::LLVMType::getVoidTy(context),
         ArrayRef<Value>({alignedInt8PtrDstMemory, alignedInt8PtrSrcMemory,
             int64Size, isVolatile}));
 
@@ -441,19 +431,17 @@ public:
   LogicalResult matchAndRewrite(
       KrnlEntryPointOp op, PatternRewriter &rewriter) const override {
 
-    auto *llvmDialect =
-        op.getContext()->getRegisteredDialect<LLVM::LLVMDialect>();
-    assert(llvmDialect && "expected llvm dialect to be registered");
     auto module = op.getParentOfType<ModuleOp>();
-    auto apiRegistry = RegisterAllApis(module, rewriter, llvmDialect);
+    auto *context = module.getContext();
+    auto apiRegistry = RegisterAllApis(module, rewriter);
     auto loc = op.getLoc();
     auto numOutputs =
         op.getAttrOfType<IntegerAttr>(KrnlEntryPointOp::getNumOutputsAttrName())
             .getInt();
 
     using LLVMType = LLVM::LLVMType;
-    auto opaquePtrTy = LLVMType::getInt8PtrTy(llvmDialect);
-    auto int32Ty = LLVMType::getInt32Ty(llvmDialect);
+    auto opaquePtrTy = LLVMType::getInt8PtrTy(context);
+    auto int32Ty = LLVMType::getInt32Ty(context);
 
     // Rewrite Krnl Entry Point Operation to an LLVM function with a dynamic
     // signature. The signature is dynamic because it remains the same no matter
@@ -514,7 +502,7 @@ public:
       // Fill in the memref underlying ptrToMemRef with information extracted
       // from dynMemRef.
       fillPtrToMemRefWithRtMemRef(
-          dynMemRef, ptrToMemRef, rewriter, loc, apiRegistry, llvmDialect);
+          dynMemRef, ptrToMemRef, rewriter, loc, apiRegistry, module);
 
       // ptrToMemRef will be an input to main computation graph function.
       staticInputs.emplace_back(ptrToMemRef);
@@ -565,7 +553,7 @@ public:
       auto outRtMemRef = callApi(rewriter, loc, apiRegistry,
           API::CREATE_DYN_MEM_REF, {outMemRefRankVal});
       fillRtMemRefWithMemRef(
-          memRef, outRtMemRef, rewriter, loc, apiRegistry, llvmDialect);
+          memRef, outRtMemRef, rewriter, loc, apiRegistry, module);
       auto idx = rewriter.create<LLVM::ConstantOp>(
           loc, int32Ty, rewriter.getI32IntegerAttr(i));
       callApi(rewriter, loc, apiRegistry, API::SET_DYN_MEM_REF,
@@ -580,13 +568,14 @@ public:
 private:
   using ApiRegistry = std::map<API, ApiSpec>;
 
-  ApiRegistry RegisterAllApis(ModuleOp &module, PatternRewriter &rewriter,
-      LLVM::LLVMDialect *llvmDialect) const {
+  ApiRegistry RegisterAllApis(
+      ModuleOp &module, PatternRewriter &rewriter) const {
+    auto *context = module.getContext();
     using LLVMType = LLVM::LLVMType;
-    auto voidTy = LLVMType::getVoidTy(llvmDialect);
-    auto opaquePtrTy = LLVMType::getInt8PtrTy(llvmDialect);
-    auto int32Ty = LLVMType::getInt32Ty(llvmDialect);
-    auto int64Ty = LLVMType::getInt64Ty(llvmDialect);
+    auto voidTy = LLVMType::getVoidTy(context);
+    auto opaquePtrTy = LLVMType::getInt8PtrTy(context);
+    auto int32Ty = LLVMType::getInt32Ty(context);
+    auto int64Ty = LLVMType::getInt64Ty(context);
     auto int64PtrTy = int64Ty.getPointerTo();
 
     // Declare API type as an enum value, its string name and an LLVM Type
@@ -646,11 +635,11 @@ private:
 
   void fillPtrToMemRefWithRtMemRef(Value &dynMemRef, Value &ptrToMemRef,
       PatternRewriter &rewriter, const Location &loc,
-      const std::map<API, ApiSpec> &apiRegistry,
-      LLVM::LLVMDialect *llvmDialect) const {
+      const std::map<API, ApiSpec> &apiRegistry, ModuleOp &module) const {
+    auto *context = module.getContext();
     auto memRefPtrTy = ptrToMemRef.getType().dyn_cast<LLVM::LLVMType>();
     auto memRefTy = memRefPtrTy.getPointerElementTy();
-    auto int64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
+    auto int64Ty = LLVM::LLVMType::getInt64Ty(context);
 
     Value memRef = rewriter.create<LLVM::LoadOp>(loc, memRefPtrTy, ptrToMemRef);
 
@@ -707,18 +696,18 @@ private:
 
   void fillRtMemRefWithMemRef(Value &outMemRef, Value &outRtMemRef,
       PatternRewriter &rewriter, const Location &loc,
-      const std::map<API, ApiSpec> &apiRegistry,
-      LLVM::LLVMDialect *llvmDialect) const {
+      const std::map<API, ApiSpec> &apiRegistry, ModuleOp &module) const {
+    auto *context = module.getContext();
     auto outMemRefTy = outMemRef.getType().dyn_cast<LLVM::LLVMType>();
-    auto int64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
-    auto int32Ty = LLVM::LLVMType::getInt32Ty(llvmDialect);
+    auto int64Ty = LLVM::LLVMType::getInt64Ty(context);
+    auto int32Ty = LLVM::LLVMType::getInt32Ty(context);
 
     // Extract the data pointer, and record it in dynamic mem ref created.
     Value outMemRefDataPtr = rewriter.create<LLVM::ExtractValueOp>(loc,
         outMemRefTy.getStructElementType(0), outMemRef,
         rewriter.getArrayAttr({rewriter.getI64IntegerAttr(0)}));
     outMemRefDataPtr = rewriter.create<LLVM::BitcastOp>(
-        loc, LLVM::LLVMType::getInt8PtrTy(llvmDialect), outMemRefDataPtr);
+        loc, LLVM::LLVMType::getInt8PtrTy(context), outMemRefDataPtr);
     callApi(rewriter, loc, apiRegistry, API::SET_DATA,
         {outRtMemRef, outMemRefDataPtr});
     auto elemTy = outMemRefTy.getStructElementType(0).getPointerElementTy();
@@ -776,15 +765,11 @@ public:
     ModuleOp module = op->getParentOfType<ModuleOp>();
     auto loc = op->getLoc();
 
-    auto *llvmDialect =
-        op->getContext()->getRegisteredDialect<LLVM::LLVMDialect>();
-    assert(llvmDialect && "expected llvm dialect to be registered");
-
     auto packedConstOp = llvm::dyn_cast<KrnlPackedConstantOp>(op);
     LLVM::GlobalOp globalBase;
     // Some frequently used types.
-    auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(llvmDialect);
-    auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(llvmDialect);
+    auto llvmI8PtrTy = LLVM::LLVMType::getInt8PtrTy(context);
+    auto llvmI64Ty = LLVM::LLVMType::getInt64Ty(context);
     {
       OpBuilder::InsertionGuard insertGuard(rewriter);
       rewriter.setInsertionPointToStart(module.getBody());
@@ -808,8 +793,7 @@ public:
             llvmI8PtrTy, {llvmI64Ty}, /*isVarArg=*/false),
         rewriter);
     auto constPackSize = rewriter.create<LLVM::ConstantOp>(loc,
-        LLVM::LLVMType::getInt64Ty(llvmDialect),
-        packedConstOp.size_in_bytesAttr());
+        LLVM::LLVMType::getInt64Ty(context), packedConstOp.size_in_bytesAttr());
     Value alloc = rewriter
                       .create<CallOp>(loc, getEmbeddedConstPoolRef, llvmI8PtrTy,
                           ArrayRef<Value>({constPackSize}))
@@ -822,14 +806,13 @@ public:
       // Record constant pack *file path* as a global variable (by recording the
       // file path string's underlying char array + its length).
       const auto &fileNameAttr = packedConstOp.file_nameAttr();
-      auto type =
-          LLVM::LLVMType::getArrayTy(LLVM::LLVMType::getInt8Ty(llvmDialect),
-              fileNameAttr.getValue().size());
+      auto type = LLVM::LLVMType::getArrayTy(
+          LLVM::LLVMType::getInt8Ty(context), fileNameAttr.getValue().size());
       rewriter.create<LLVM::GlobalOp>(loc, type, /*isConstant=*/true,
           LLVM::Linkage::External,
           mlir::KrnlPackedConstantOp::getConstPackFilePathSymbolName(),
           fileNameAttr);
-      type = LLVM::LLVMType::getInt64Ty(llvmDialect);
+      type = LLVM::LLVMType::getInt64Ty(context);
       rewriter.create<LLVM::GlobalOp>(loc, type, /*isConstant=*/true,
           LLVM::Linkage::External,
           mlir::KrnlPackedConstantOp::getConstPackFilePathStrLenSymbolName(),
@@ -840,18 +823,18 @@ public:
       auto constPackFileName =
           llvm::sys::path::filename(fileNameAttr.getValue());
       type = LLVM::LLVMType::getArrayTy(
-          LLVM::LLVMType::getInt8Ty(llvmDialect), constPackFileName.size());
+          LLVM::LLVMType::getInt8Ty(context), constPackFileName.size());
       rewriter.create<LLVM::GlobalOp>(loc, type, /*isConstant=*/true,
           LLVM::Linkage::External,
           mlir::KrnlPackedConstantOp::getConstPackFileNameSymbolName(),
           rewriter.getStringAttr(constPackFileName));
-      type = LLVM::LLVMType::getInt64Ty(llvmDialect);
+      type = LLVM::LLVMType::getInt64Ty(context);
       rewriter.create<LLVM::GlobalOp>(loc, type, /*isConstant=*/true,
           LLVM::Linkage::External,
           mlir::KrnlPackedConstantOp::getConstPackFileNameStrLenSymbolName(),
           rewriter.getI64IntegerAttr(constPackFileName.size()));
 
-      type = LLVM::LLVMType::getInt8Ty(llvmDialect);
+      type = LLVM::LLVMType::getInt8Ty(context);
       rewriter.create<LLVM::GlobalOp>(loc, type, /*isConstant=*/true,
           LLVM::Linkage::External,
           mlir::KrnlPackedConstantOp::getConstPackIsLESymbolName(),
@@ -889,14 +872,14 @@ void ConvertKrlnToLLVMPass::runOnOperation() {
   // Lower the MemRef types to a representation in LLVM.
   LowerToLLVMOptions options;
   options.emitCWrappers = true;
-  LLVMTypeConverter typeConverter(&getContext());
+  LLVMTypeConverter typeConverter(&getContext(), options);
 
   // We have a combination of `krnl`, `affine`, and `std` operations. We
   // lower in stages until all the code is in the LLVM dialect.
   OwningRewritePatternList patterns;
   populateAffineToStdConversionPatterns(patterns, &getContext());
   populateLoopToStdConversionPatterns(patterns, &getContext());
-  populateStdToLLVMConversionPatterns(typeConverter, patterns, options);
+  populateStdToLLVMConversionPatterns(typeConverter, patterns);
 
   patterns.insert<KrnlGlobalOpLowering, KrnlPackedConstOpLowering>(
       &getContext(), typeConverter);
diff --git a/src/Dialect/Krnl/KrnlTypes.hpp b/src/Dialect/Krnl/KrnlTypes.hpp
index db75855..4adc1c6 100644
--- a/src/Dialect/Krnl/KrnlTypes.hpp
+++ b/src/Dialect/Krnl/KrnlTypes.hpp
@@ -23,7 +23,9 @@ enum Kinds {
 };
 }
 
-class LoopType : public mlir::Type::TypeBase<LoopType, mlir::Type> {
+class LoopType
+    : public mlir::Type::TypeBase<LoopType, mlir::Type, mlir::TypeStorage> {
+
 public:
   using Base::Base;
 
diff --git a/src/Dialect/ONNX/ONNXOps.hpp b/src/Dialect/ONNX/ONNXOps.hpp
index 5ab42c6..f54a92d 100644
--- a/src/Dialect/ONNX/ONNXOps.hpp
+++ b/src/Dialect/ONNX/ONNXOps.hpp
@@ -67,7 +67,8 @@ enum Kind {
 };
 } // namespace ONNXTypes
 
-class StringType : public mlir::Type::TypeBase<StringType, mlir::Type> {
+class StringType
+    : public mlir::Type::TypeBase<StringType, mlir::Type, mlir::TypeStorage> {
 public:
   using Base::Base;
   static bool kindof(unsigned kind) { return kind == ONNXTypes::STRING; }
diff --git a/src/MainUtils.cpp b/src/MainUtils.cpp
index 20816f5..bebad23 100644
--- a/src/MainUtils.cpp
+++ b/src/MainUtils.cpp
@@ -262,8 +262,9 @@ void genLLVMBitcode(const mlir::OwningModuleRef &module,
   llvm::raw_fd_ostream moduleBitcodeStream(
       unoptimizedBitcodePath, error, llvm::sys::fs::F_None);
 
-  llvm::WriteBitcodeToFile(
-      *mlir::translateModuleToLLVMIR(*module), moduleBitcodeStream);
+  llvm::LLVMContext llvmContext;
+  llvm::WriteBitcodeToFile(*mlir::translateModuleToLLVMIR(*module, llvmContext),
+      moduleBitcodeStream);
   moduleBitcodeStream.flush();
 
   // Use the LLVM's 'opt' command to optimize the bitcode.
diff --git a/src/Tool/ONNXMLIROpt/ONNXMLIROpt.cpp b/src/Tool/ONNXMLIROpt/ONNXMLIROpt.cpp
index f3a4c27..65560e0 100644
--- a/src/Tool/ONNXMLIROpt/ONNXMLIROpt.cpp
+++ b/src/Tool/ONNXMLIROpt/ONNXMLIROpt.cpp
@@ -67,18 +67,11 @@ int main(int argc, char **argv) {
   mlir::registerDialect<mlir::StandardOpsDialect>();
   mlir::registerDialect<mlir::vector::VectorDialect>();
 
-  // Register transformation passes.
-#define GEN_PASS_REGISTRATION
-#include "mlir/Transforms/Passes.h.inc"
-
-#define GEN_PASS_REGISTRATION
-#include "mlir/Dialect/Affine/Passes.h.inc"
-
-#define GEN_PASS_REGISTRATION
-#include "mlir/Dialect/Linalg/Passes.h.inc"
-
-#define GEN_PASS_REGISTRATION
-#include "mlir/Dialect/SCF/Passes.h.inc"
+  registerTransformsPasses();
+  registerAffinePasses();
+  registerLinalgPasses();
+  registerSCFPasses();
+  registerStandardPasses();
 
   llvm::InitLLVM y(argc, argv);
 
diff --git a/test/mlir/krnl/constant.mlir b/test/mlir/krnl/constant.mlir
index 3c48d2f..884c210 100644
--- a/test/mlir/krnl/constant.mlir
+++ b/test/mlir/krnl/constant.mlir
@@ -6,16 +6,16 @@ func @test_constant(%arg0 : tensor<1xf32>) -> tensor<*xf32> {
   %0 = "onnx.Constant"() {value = dense<[[0.0, 0.0], [1.0, 1.1], [2.0, 2.1]]> : tensor<3x2xf32>} : () -> tensor<*xf32>
   "std.return"(%0) : (tensor<*xf32>) -> ()
 
-  // CHECK: llvm.func @llvm.memcpy.p0i8.p0i8.i64(!llvm<"i8*">, !llvm<"i8*">, !llvm.i64, !llvm.i1)
-  // CHECK: llvm.mlir.global internal constant [[GLOBAL_CONST:@.+]](dense<{{.*}}[0.000000e+00, 0.000000e+00], [1.000000e+00, 1.100000e+00], [2.000000e+00, 2.100000e+00]{{.*}}> : tensor<3x2xf32>) : !llvm<"[3 x [2 x float]]">
-  // CHECK: llvm.func @test_constant({{.*}}) -> !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }"> {
+  // CHECK: llvm.func @llvm.memcpy.p0i8.p0i8.i64(!llvm.ptr<i8>, !llvm.ptr<i8>, !llvm.i64, !llvm.i1)
+  // CHECK: llvm.mlir.global internal constant [[GLOBAL_CONST:@.+]](dense<{{.*}}[0.000000e+00, 0.000000e+00], [1.000000e+00, 1.100000e+00], [2.000000e+00, 2.100000e+00]{{.*}}> : tensor<3x2xf32>) : !llvm.array<3 x array<2 x float>>
+  // CHECK: llvm.func @test_constant({{.*}}) -> !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> {
 
   // CHECK: [[CONST1:%.+]] = llvm.mlir.constant(1 : i64) : !llvm.i64
-  // CHECK: [[ALLOCA:%.+]] = llvm.alloca [[CONST1]] x !llvm<"[3 x [2 x float]]"> : (!llvm.i64) -> !llvm<"[3 x [2 x float]]*">
-  // CHECK: [[I8ALLOCA:%.+]] = llvm.bitcast [[ALLOCA]] : !llvm<"[3 x [2 x float]]*"> to !llvm<"i8*">
+  // CHECK: [[ALLOCA:%.+]] = llvm.alloca [[CONST1]] x !llvm.array<3 x array<2 x float>> : (!llvm.i64) -> !llvm.ptr<array<3 x array<2 x float>>> 
+  // CHECK: [[I8ALLOCA:%.+]] = llvm.bitcast [[ALLOCA]] : !llvm.ptr<array<3 x array<2 x float>>> to !llvm.ptr<i8> 
   
-  // CHECK: [[GLOBAL_ADDR:%.+]] = llvm.mlir.addressof [[GLOBAL_CONST]] : !llvm<"[3 x [2 x float]]*">
-  // CHECK: [[I8GLOBAL:%.+]] = llvm.bitcast [[GLOBAL_ADDR]] : !llvm<"[3 x [2 x float]]*"> to !llvm<"i8*">
+  // CHECK: [[GLOBAL_ADDR:%.+]] = llvm.mlir.addressof [[GLOBAL_CONST]] : !llvm.ptr<array<3 x array<2 x float>>>  
+  // CHECK: [[I8GLOBAL:%.+]] = llvm.bitcast [[GLOBAL_ADDR]] : !llvm.ptr<array<3 x array<2 x float>>> to !llvm.ptr<i8> 
 
   /// Size of the constant tensor in bytes.
   // CHECK: [[CONST4:%.+]] = llvm.mlir.constant(4 : i64) : !llvm.i64
@@ -26,30 +26,30 @@ func @test_constant(%arg0 : tensor<1xf32>) -> tensor<*xf32> {
   /// Volatile flag
   // CHECK: [[CONST0:%.+]] = llvm.mlir.constant(false) : !llvm.i1
 
-  // CHECK: llvm.call @llvm.memcpy.p0i8.p0i8.i64([[I8ALLOCA]], [[I8GLOBAL]], [[GLOBAL_SIZE_BYTES]], [[CONST0]]) : (!llvm<"i8*">, !llvm<"i8*">, !llvm.i64, !llvm.i1) -> !llvm.void
+  // CHECK: llvm.call @llvm.memcpy.p0i8.p0i8.i64([[I8ALLOCA]], [[I8GLOBAL]], [[GLOBAL_SIZE_BYTES]], [[CONST0]]) : (!llvm.ptr<i8>, !llvm.ptr<i8>, !llvm.i64, !llvm.i1) -> !llvm.void
 
   /// Prepare data for MemRef insertion.
-  // CHECK: [[TYPED_ALLOCA:%.+]] = llvm.bitcast [[ALLOCA]] : !llvm<"[3 x [2 x float]]*"> to !llvm<"float*">
+  // CHECK: [[TYPED_ALLOCA:%.+]] = llvm.bitcast [[ALLOCA]] : !llvm.ptr<array<3 x array<2 x float>>> to !llvm.ptr<float>
 
   /// Insert the constant value in the local MemRef.
-  // CHECK: [[LOCAL_MEMREF:%.+]] = llvm.mlir.undef : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[LOCAL_MEMREF0:%.+]] = llvm.insertvalue [[TYPED_ALLOCA]], [[LOCAL_MEMREF]][0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[LOCAL_MEMREF1:%.+]] = llvm.insertvalue [[TYPED_ALLOCA]], [[LOCAL_MEMREF0]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[LOCAL_MEMREF:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[LOCAL_MEMREF0:%.+]] = llvm.insertvalue [[TYPED_ALLOCA]], [[LOCAL_MEMREF]][0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[LOCAL_MEMREF1:%.+]] = llvm.insertvalue [[TYPED_ALLOCA]], [[LOCAL_MEMREF0]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
 
   /// Insert offset.
   // CHECK: [[CONST00:%.+]] = llvm.mlir.constant(0 : index) : !llvm.i64
-  // CHECK: [[MEMREF1:%.+]] = llvm.insertvalue [[CONST00]], [[LOCAL_MEMREF1]][2] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1:%.+]] = llvm.insertvalue [[CONST00]], [[LOCAL_MEMREF1]][2] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
 
   /// Insert sizes and strides.
   // CHECK: [[CONST3:%.+]] = llvm.mlir.constant(3 : index) : !llvm.i64
-  // CHECK: [[MEMREF2:%.+]] = llvm.insertvalue [[CONST3]], [[MEMREF1]][3, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF2:%.+]] = llvm.insertvalue [[CONST3]], [[MEMREF1]][3, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
   // CHECK: [[CONST1:%.+]] = llvm.mlir.constant(2 : index) : !llvm.i64
-  // CHECK: [[MEMREF3:%.+]] = llvm.insertvalue [[CONST1]], [[MEMREF2]][4, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF3:%.+]] = llvm.insertvalue [[CONST1]], [[MEMREF2]][4, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
 
   // CHECK: [[CONST2:%.+]] = llvm.mlir.constant(2 : index) : !llvm.i64
-  // CHECK: [[MEMREF4:%.+]] = llvm.insertvalue [[CONST2]], [[MEMREF3]][3, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF4:%.+]] = llvm.insertvalue [[CONST2]], [[MEMREF3]][3, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST1:%.+]] = llvm.mlir.constant(1 : index) : !llvm.i64
-  // CHECK: [[MEMREF5:%.+]] = llvm.insertvalue [[CONST1]], [[MEMREF4]][4, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF5:%.+]] = llvm.insertvalue [[CONST1]], [[MEMREF4]][4, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
 
-  // CHECK: llvm.return [[MEMREF5]] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: llvm.return [[MEMREF5]] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
 }
diff --git a/test/mlir/krnl/krnl_getref_lowering.mlir b/test/mlir/krnl/krnl_getref_lowering.mlir
index da86731..b026b5e 100644
--- a/test/mlir/krnl/krnl_getref_lowering.mlir
+++ b/test/mlir/krnl/krnl_getref_lowering.mlir
@@ -11,16 +11,16 @@ func @test_getref_lowering(%arg0: memref<2x2xf32>) -> memref<2x2xf32> {
   // CHECK: [[CONST_10_0:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
   // CHECK: [[CONST_10_1:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
   // CHECK: [[MUL1:%.+]] = llvm.mul [[CONST_10_0]], [[CONST_10_1]] : !llvm.i64
-  // CHECK: [[FLOAT_STAR:%.+]] = llvm.mlir.null : !llvm<"float*">
+  // CHECK: [[FLOAT_STAR:%.+]] = llvm.mlir.null : !llvm.ptr<float>
   // CHECK: %[[CONST_1:.+]] = llvm.mlir.constant(1 : index) : !llvm.i64
-  // CHECK: [[ELEM1:%.+]] = llvm.getelementptr [[FLOAT_STAR]][%[[CONST_1]]] : (!llvm<"float*">, !llvm.i64) -> !llvm<"float*">
-  // CHECK: [[ELEM_SIZE:%.+]] = llvm.ptrtoint [[ELEM1]] : !llvm<"float*"> to !llvm.i64
+  // CHECK: [[ELEM1:%.+]] = llvm.getelementptr [[FLOAT_STAR]][%[[CONST_1]]] : (!llvm.ptr<float>, !llvm.i64) -> !llvm.ptr<float>
+  // CHECK: [[ELEM_SIZE:%.+]] = llvm.ptrtoint [[ELEM1]] : !llvm.ptr<float> to !llvm.i64
   // CHECK: [[MUL2:%.+]] = llvm.mul [[MUL1]], [[ELEM_SIZE]] : !llvm.i64
-  // CHECK: [[MEMPOOL:%.+]] = llvm.call @malloc([[MUL2]]) : (!llvm.i64) -> !llvm<"i8*">
-  // CHECK: [[TYPED_MEMPOOL:%.+]] = llvm.bitcast [[MEMPOOL]] : !llvm<"i8*"> to !llvm<"float*">
-  // CHECK: [[MEMPOOL_MEMREF:%.+]] = llvm.mlir.undef : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF1:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL]], [[MEMPOOL_MEMREF]][0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF2:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL]], [[MEMREF1]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMPOOL:%.+]] = llvm.call @malloc([[MUL2]]) : (!llvm.i64) -> !llvm.ptr<i8>
+  // CHECK: [[TYPED_MEMPOOL:%.+]] = llvm.bitcast [[MEMPOOL]] : !llvm.ptr<i8> to !llvm.ptr<float>
+  // CHECK: [[MEMPOOL_MEMREF:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF1:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL]], [[MEMPOOL_MEMREF]][0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF2:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL]], [[MEMREF1]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
   // CHECK: llvm.mlir.constant
   // CHECK: llvm.insertvalue
   // CHECK: llvm.mlir.constant
@@ -29,10 +29,10 @@ func @test_getref_lowering(%arg0: memref<2x2xf32>) -> memref<2x2xf32> {
   // CHECK: llvm.insertvalue
   // CHECK: llvm.insertvalue
   // CHECK: llvm.insertvalue
-  // CHECK: [[MEMPOOL1:%.+]] = llvm.extractvalue {{.*}}[1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMPOOL_ALLOC:%.+]] = llvm.getelementptr [[MEMPOOL1]][%[[OFFSET]]] : (!llvm<"float*">, !llvm.i64) -> !llvm<"float*">
-  // CHECK: [[TYPED_MEMPOOL_ALLOC:%.+]] = llvm.bitcast [[MEMPOOL_ALLOC]] : !llvm<"float*"> to !llvm<"float*">
-  // CHECK: [[MEMPOOLED_MEMREF:%.+]] = llvm.mlir.undef : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF3:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL_ALLOC]], [[MEMPOOLED_MEMREF]][0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF4:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL_ALLOC]], [[MEMREF3]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMPOOL1:%.+]] = llvm.extractvalue {{.*}}[1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMPOOL_ALLOC:%.+]] = llvm.getelementptr [[MEMPOOL1]][%[[OFFSET]]] : (!llvm.ptr<float>, !llvm.i64) -> !llvm.ptr<float>
+  // CHECK: [[TYPED_MEMPOOL_ALLOC:%.+]] = llvm.bitcast [[MEMPOOL_ALLOC]] : !llvm.ptr<float> to !llvm.ptr<float>
+  // CHECK: [[MEMPOOLED_MEMREF:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF3:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL_ALLOC]], [[MEMPOOLED_MEMREF]][0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF4:%.+]] = llvm.insertvalue [[TYPED_MEMPOOL_ALLOC]], [[MEMREF3]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
 }
diff --git a/test/mlir/krnl/memory_pool.mlir b/test/mlir/krnl/memory_pool.mlir
index c3d0084..b32a5b7 100644
--- a/test/mlir/krnl/memory_pool.mlir
+++ b/test/mlir/krnl/memory_pool.mlir
@@ -10,46 +10,46 @@ func @test_memory_pool(%arg0: tensor<10x10xf32>) -> tensor<10x10xf32> {
 
   /// Allocate memory for the memory pool.
   // CHECK: [[MEMPOOL_SIZE:%.+]] = llvm.mlir.constant(400 : index) : !llvm.i64
-  // CHECK: [[TMP1:%.+]] = llvm.mlir.null : !llvm<"i8*">
+  // CHECK: [[TMP1:%.+]] = llvm.mlir.null : !llvm.ptr<i8>
   // CHECK: %[[CONST1:.+]] = llvm.mlir.constant(1 : index) : !llvm.i64
-  // CHECK: [[TMP2:%.+]] = llvm.getelementptr [[TMP1]][%[[CONST1]]] : (!llvm<"i8*">, !llvm.i64) -> !llvm<"i8*">
-  // CHECK: [[TYPE_SIZE_IN_BYTES:%.+]] = llvm.ptrtoint [[TMP2]] : !llvm<"i8*"> to !llvm.i64
+  // CHECK: [[TMP2:%.+]] = llvm.getelementptr [[TMP1]][%[[CONST1]]] : (!llvm.ptr<i8>, !llvm.i64) -> !llvm.ptr<i8>
+  // CHECK: [[TYPE_SIZE_IN_BYTES:%.+]] = llvm.ptrtoint [[TMP2]] : !llvm.ptr<i8> to !llvm.i64
   // CHECK: [[TOTAL_SIZE:%.+]] = llvm.mul [[MEMPOOL_SIZE]], [[TYPE_SIZE_IN_BYTES]] : !llvm.i64
-  // CHECK: [[ALLOC_MEM_POOL:%.+]] = llvm.call @malloc([[TOTAL_SIZE]]) : (!llvm.i64) -> !llvm<"i8*">
-  // CHECK: [[BITCAST_ALLOC_MEM_POOL:%.+]] = llvm.bitcast [[ALLOC_MEM_POOL]] : !llvm<"i8*"> to !llvm<"i8*">
+  // CHECK: [[ALLOC_MEM_POOL:%.+]] = llvm.call @malloc([[TOTAL_SIZE]]) : (!llvm.i64) -> !llvm.ptr<i8>
+  // CHECK: [[BITCAST_ALLOC_MEM_POOL:%.+]] = llvm.bitcast [[ALLOC_MEM_POOL]] : !llvm.ptr<i8> to !llvm.ptr<i8>
 
   /// MemRef representing the memory pool and which contains the memory allocated above.
-  // CHECK: [[MEMREF0:%.+]] = llvm.mlir.undef : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
-  // CHECK: [[TMP3:%.+]] = llvm.insertvalue [[BITCAST_ALLOC_MEM_POOL]], [[MEMREF0]][0] : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
-  // CHECK: llvm.insertvalue [[BITCAST_ALLOC_MEM_POOL]], [[TMP3]][1] : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
+  // CHECK: [[MEMREF0:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
+  // CHECK: [[TMP3:%.+]] = llvm.insertvalue [[BITCAST_ALLOC_MEM_POOL]], [[MEMREF0]][0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
+  // CHECK: llvm.insertvalue [[BITCAST_ALLOC_MEM_POOL]], [[TMP3]][1] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
   // CHECK: llvm.mlir.constant(0 : index) : !llvm.i64
   // CHECK: llvm.insertvalue
   // CHECK: llvm.mlir.constant(1 : index) : !llvm.i64
   // CHECK: llvm.insertvalue
-  // CHECK: [[TMP4:%.+]] = llvm.insertvalue {{.*}}[4, 0] : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
+  // CHECK: [[TMP4:%.+]] = llvm.insertvalue {{.*}}[4, 0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
 
   /// Get reference within the memory pool where the data of the getref instruction has already been allocated.
-  // CHECK: [[MEMPOOL_BASE:%.+]] = llvm.extractvalue [[TMP4]][1] : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
-  // CHECK: [[GETREF_MEMORY:%.+]] = llvm.getelementptr [[MEMPOOL_BASE]][%[[OFFSET]]] : (!llvm<"i8*">, !llvm.i64) -> !llvm<"i8*">
-  // CHECK: [[CASTED_GETREF_MEMORY:%.+]] = llvm.bitcast [[GETREF_MEMORY]] : !llvm<"i8*"> to !llvm<"float*">
+  // CHECK: [[MEMPOOL_BASE:%.+]] = llvm.extractvalue [[TMP4]][1] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
+  // CHECK: [[GETREF_MEMORY:%.+]] = llvm.getelementptr [[MEMPOOL_BASE]][%[[OFFSET]]] : (!llvm.ptr<i8>, !llvm.i64) -> !llvm.ptr<i8>
+  // CHECK: [[CASTED_GETREF_MEMORY:%.+]] = llvm.bitcast [[GETREF_MEMORY]] : !llvm.ptr<i8> to !llvm.ptr<float>
 
   /// Create MemRef for krnl.getref.
-  // CHECK: [[MEMREF1:%.+]] = llvm.mlir.undef : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF1_TMP1:%.+]] = llvm.insertvalue [[CASTED_GETREF_MEMORY]], [[MEMREF1]][0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[MEMREF1_TMP2:%.+]] = llvm.insertvalue [[CASTED_GETREF_MEMORY]], [[MEMREF1_TMP1]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF1_TMP1:%.+]] = llvm.insertvalue [[CASTED_GETREF_MEMORY]], [[MEMREF1]][0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[MEMREF1_TMP2:%.+]] = llvm.insertvalue [[CASTED_GETREF_MEMORY]], [[MEMREF1_TMP1]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
   // CHECK: [[CONST2:%.+]] = llvm.mlir.constant(0 : index) : !llvm.i64
-  // CHECK: [[MEMREF1_TMP3:%.+]] = llvm.insertvalue [[CONST2]], [[MEMREF1_TMP2]][2] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1_TMP3:%.+]] = llvm.insertvalue [[CONST2]], [[MEMREF1_TMP2]][2] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST3:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
-  // CHECK: [[MEMREF1_TMP4:%.+]] = llvm.insertvalue [[CONST3]], [[MEMREF1_TMP3]][3, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1_TMP4:%.+]] = llvm.insertvalue [[CONST3]], [[MEMREF1_TMP3]][3, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST4:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
-  // CHECK: [[MEMREF1_TMP5:%.+]] = llvm.insertvalue [[CONST4]], [[MEMREF1_TMP4]][4, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1_TMP5:%.+]] = llvm.insertvalue [[CONST4]], [[MEMREF1_TMP4]][4, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST5:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
-  // CHECK: [[MEMREF1_TMP6:%.+]] = llvm.insertvalue [[CONST5]], [[MEMREF1_TMP5]][3, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1_TMP6:%.+]] = llvm.insertvalue [[CONST5]], [[MEMREF1_TMP5]][3, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST6:%.+]] = llvm.mlir.constant(1 : index) : !llvm.i64
-  // CHECK: [[MEMREF1_TMP7:%.+]] = llvm.insertvalue [[CONST6]], [[MEMREF1_TMP6]][4, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEMREF1_TMP7:%.+]] = llvm.insertvalue [[CONST6]], [[MEMREF1_TMP6]][4, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
 
   /// Usage of the getref MemRef.
-  // CHECK: [[MEM0:%.+]] = llvm.extractvalue [[MEMREF1_TMP7]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
+  // CHECK: [[MEM0:%.+]] = llvm.extractvalue [[MEMREF1_TMP7]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
   // CHECK: [[CONST7:%.+]] = llvm.mlir.constant(0 : index) : !llvm.i64
   // CHECK: [[CONST8:%.+]] = llvm.mlir.constant(10 : index) : !llvm.i64
   // CHECK: [[MUL1:%.+]] = llvm.mul {{.*}}, [[CONST8]] : !llvm.i64
@@ -57,10 +57,10 @@ func @test_memory_pool(%arg0: tensor<10x10xf32>) -> tensor<10x10xf32> {
   // CHECK: [[CONST9:%.+]] = llvm.mlir.constant(1 : index) : !llvm.i64
   // CHECK: [[MUL2:%.+]] = llvm.mul {{.*}}, [[CONST9]] : !llvm.i64
   // CHECK: %[[ADD2:.+]] = llvm.add [[ADD1]], [[MUL2]] : !llvm.i64
-  // CHECK: llvm.getelementptr [[MEM0]][%[[ADD2]]] : (!llvm<"float*">, !llvm.i64) -> !llvm<"float*">
+  // CHECK: llvm.getelementptr [[MEM0]][%[[ADD2]]] : (!llvm.ptr<float>, !llvm.i64) -> !llvm.ptr<float>
 
   /// Deallocation of the memory pool.
-  // CHECK: [[MEMPOOL_BASE_UNALIGNED:%.+]] = llvm.extractvalue [[TMP4]][0] : !llvm<"{ i8*, i8*, i64, [1 x i64], [1 x i64] }">
-  // CHECK: [[CASTED_MEMPOOL_BASE_UNALIGNED:%.+]] = llvm.bitcast [[MEMPOOL_BASE_UNALIGNED]] : !llvm<"i8*"> to !llvm<"i8*">
-  // CHECK: llvm.call @free([[CASTED_MEMPOOL_BASE_UNALIGNED]]) : (!llvm<"i8*">) -> ()
+  // CHECK: [[MEMPOOL_BASE_UNALIGNED:%.+]] = llvm.extractvalue [[TMP4]][0] : !llvm.struct<(ptr<i8>, ptr<i8>, i64, array<1 x i64>, array<1 x i64>)> 
+  // CHECK: [[CASTED_MEMPOOL_BASE_UNALIGNED:%.+]] = llvm.bitcast [[MEMPOOL_BASE_UNALIGNED]] : !llvm.ptr<i8> to !llvm.ptr<i8>
+  // CHECK: llvm.call @free([[CASTED_MEMPOOL_BASE_UNALIGNED]]) : (!llvm.ptr<i8>) -> ()
 }
diff --git a/test/mlir/krnl/reshape.mlir b/test/mlir/krnl/reshape.mlir
index 65f24ce..5b349e5 100644
--- a/test/mlir/krnl/reshape.mlir
+++ b/test/mlir/krnl/reshape.mlir
@@ -6,22 +6,22 @@ func @test_reshape(%arg0 : tensor<?x10xf32>, %arg1 : tensor<4xi64>) -> tensor<*x
   %0 = "onnx.Reshape"(%arg0, %arg1) : (tensor<?x10xf32>, tensor<4xi64>) -> tensor<*xf32>
   "std.return"(%0) : (tensor<*xf32>) -> ()
 
-  // CHECK: llvm.func @llvm.memcpy.p0i8.p0i8.i64(!llvm<"i8*">, !llvm<"i8*">, !llvm.i64, !llvm.i1)
-  // CHECK: [[TMP:%.+]] = llvm.mlir.undef : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg0, %0[0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg1, %1[1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg2, %2[2] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg3, %3[3, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg5, %4[4, 0] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: llvm.insertvalue %arg4, %5[3, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[TMP1:%.+]] = llvm.insertvalue %arg6, %6[4, 1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[RES:%.+]] = llvm.insertvalue {{.*}}[4, 3] : !llvm<"{ float*, float*, i64, [4 x i64], [4 x i64] }">
-  // CHECK: [[EXT_VAL_0:%.+]] = llvm.extractvalue [[RES]][1] : !llvm<"{ float*, float*, i64, [4 x i64], [4 x i64] }">
-  // CHECK: [[DST:%.+]] = llvm.bitcast [[EXT_VAL_0]] : !llvm<"float*"> to !llvm<"i8*">
-  // CHECK: [[EXT_VAL_1:%.+]] = llvm.extractvalue [[TMP1]][1] : !llvm<"{ float*, float*, i64, [2 x i64], [2 x i64] }">
-  // CHECK: [[SRC:%.+]] = llvm.bitcast [[EXT_VAL_1]] : !llvm<"float*"> to !llvm<"i8*">
+  // CHECK: llvm.func @llvm.memcpy.p0i8.p0i8.i64(!llvm.ptr<i8>, !llvm.ptr<i8>, !llvm.i64, !llvm.i1)
+  // CHECK: [[TMP:%.+]] = llvm.mlir.undef : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: llvm.insertvalue %arg0, %0[0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: llvm.insertvalue %arg1, %1[1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: llvm.insertvalue %arg2, %2[2] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: llvm.insertvalue %arg3, %3[3, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: llvm.insertvalue %arg5, %4[4, 0] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
+  // CHECK: llvm.insertvalue %arg4, %5[3, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)>
+  // CHECK: [[TMP1:%.+]] = llvm.insertvalue %arg6, %6[4, 1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[RES:%.+]] = llvm.insertvalue {{.*}}[4, 3] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<4 x i64>, array<4 x i64>)> 
+  // CHECK: [[EXT_VAL_0:%.+]] = llvm.extractvalue [[RES]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<4 x i64>, array<4 x i64>)> 
+  // CHECK: [[DST:%.+]] = llvm.bitcast [[EXT_VAL_0]] : !llvm.ptr<float> to !llvm.ptr<i8>
+  // CHECK: [[EXT_VAL_1:%.+]] = llvm.extractvalue [[TMP1]][1] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<2 x i64>, array<2 x i64>)> 
+  // CHECK: [[SRC:%.+]] = llvm.bitcast [[EXT_VAL_1]] : !llvm.ptr<float> to !llvm.ptr<i8>
   // CHECK: [[SIZE:%.+]] = llvm.sext %{{.*}} : !llvm.i64 to !llvm.i64
   // CHECK: [[VOLATILE:%.+]] = llvm.mlir.constant(false) : !llvm.i1
-  // CHECK: llvm.call @llvm.memcpy.p0i8.p0i8.i64([[DST]], [[SRC]], [[SIZE]], [[VOLATILE]]) : (!llvm<"i8*">, !llvm<"i8*">, !llvm.i64, !llvm.i1) -> !llvm.void
-  // CHECK: llvm.return [[RES]] : !llvm<"{ float*, float*, i64, [4 x i64], [4 x i64] }">
+  // CHECK: llvm.call @llvm.memcpy.p0i8.p0i8.i64([[DST]], [[SRC]], [[SIZE]], [[VOLATILE]]) : (!llvm.ptr<i8>, !llvm.ptr<i8>, !llvm.i64, !llvm.i1) -> !llvm.void
+  // CHECK: llvm.return [[RES]] : !llvm.struct<(ptr<float>, ptr<float>, i64, array<4 x i64>, array<4 x i64>)> 
 }
diff --git a/utils/clone-mlir.sh b/utils/clone-mlir.sh
index 4abfc92..7c1e059 100644
--- a/utils/clone-mlir.sh
+++ b/utils/clone-mlir.sh
@@ -1,3 +1,3 @@
 git clone https://github.com/llvm/llvm-project.git
 # Check out a specific branch that is known to work with ONNX MLIR.
-cd llvm-project && git checkout 32791937d7aceb0a5e1eaabf1bb1a6dbe1639792 && cd ..
+cd llvm-project && git checkout 9c94908320549a1a2328c758d6bbb694466021e7 && cd ..