diff --git a/mlir/include/mlir/Dialect/LLVMIR/CMakeLists.txt b/mlir/include/mlir/Dialect/LLVMIR/CMakeLists.txt
index cfad07e57021f..f1385cdff62be 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/CMakeLists.txt
+++ b/mlir/include/mlir/Dialect/LLVMIR/CMakeLists.txt
@@ -7,12 +7,26 @@ mlir_tablegen(LLVMOpsDialect.h.inc -gen-dialect-decls)
 mlir_tablegen(LLVMOpsDialect.cpp.inc -gen-dialect-defs)
 mlir_tablegen(LLVMOpsEnums.h.inc -gen-enum-decls)
 mlir_tablegen(LLVMOpsEnums.cpp.inc -gen-enum-defs)
-mlir_tablegen(LLVMOpsAttrDefs.h.inc -gen-attrdef-decls
-              -attrdefs-dialect=llvm)
+#For LLVMOpsAttrDefs.h.inc, see below.
 mlir_tablegen(LLVMOpsAttrDefs.cpp.inc -gen-attrdef-defs
               -attrdefs-dialect=llvm)
 add_public_tablegen_target(MLIRLLVMOpsIncGen)
 
+# NB: Separate out LLVMOpsAttrDefs.h.inc generation as generating it
+#     through LLVMOps.td ends up defining LLVMTargetFeaturesAttr even
+#     though LLVMTargetFeaturesAttrDefs.* is responsible for that.
+set(LLVM_TARGET_DEFINITIONS LLVMAttrAndEnumDefs.td)
+mlir_tablegen(LLVMOpsAttrDefs.h.inc -gen-attrdef-decls -attrdefs-dialect=llvm)
+add_public_tablegen_target(MLIRLLVMAttrsIncGen)
+
+# NB: LLVMTargetFeaturesAttr is split out into its own file
+#     to break a recursive dependency: LLVMInterfaces depends
+#     on it, and other LLVMAttrs depending on LLVMInterfaces.
+set(LLVM_TARGET_DEFINITIONS LLVMTargetFeaturesAttrDefs.td)
+mlir_tablegen(LLVMTargetFeaturesAttrDefs.h.inc -gen-attrdef-decls)
+mlir_tablegen(LLVMTargetFeaturesAttrDefs.cpp.inc -gen-attrdef-defs)
+add_public_tablegen_target(MLIRLLVMTargetFeaturesAttrsIncGen)
+
 set(LLVM_TARGET_DEFINITIONS LLVMTypes.td)
 mlir_tablegen(LLVMTypes.h.inc -gen-typedef-decls -typedefs-dialect=llvm)
 mlir_tablegen(LLVMTypes.cpp.inc -gen-typedef-defs -typedefs-dialect=llvm)
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrAndEnumDefs.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrAndEnumDefs.td
new file mode 100644
index 0000000000000..e34375076ffd1
--- /dev/null
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrAndEnumDefs.td
@@ -0,0 +1,10 @@
+//===-- LLVMAttrDefs.td - Solely LLVM Attribute and Enum definitions ----*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+include "mlir/Dialect/LLVMIR/LLVMAttrDefs.td"
+include "mlir/Dialect/LLVMIR/LLVMEnums.td"
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td
index 138dd7703a5e7..af469d3eb8be2 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td
@@ -15,14 +15,6 @@ include "mlir/IR/AttrTypeBase.td"
 include "mlir/IR/CommonAttrConstraints.td"
 include "mlir/Interfaces/DataLayoutInterfaces.td"
 
-// All of the attributes will extend this class.
-class LLVM_Attr<string name, string attrMnemonic,
-                list<Trait> traits = [],
-                string baseCppClass = "::mlir::Attribute">
-    : AttrDef<LLVM_Dialect, name, traits, baseCppClass> {
-  let mnemonic = attrMnemonic;
-}
-
 //===----------------------------------------------------------------------===//
 // CConvAttr
 //===----------------------------------------------------------------------===//
@@ -1243,70 +1235,7 @@ def LLVM_VScaleRangeAttr : LLVM_Attr<"VScaleRange", "vscale_range"> {
 }
 
 //===----------------------------------------------------------------------===//
-// TargetFeaturesAttr
-//===----------------------------------------------------------------------===//
-
-def LLVM_TargetFeaturesAttr : LLVM_Attr<"TargetFeatures", "target_features">
-{
-  let summary = "LLVM target features attribute";
-
-  let description = [{
-    Represents the LLVM target features as a list that can be checked within
-    passes/rewrites.
-
-    Example:
-    ```mlir
-    #llvm.target_features<["+sme", "+sve", "+sme-f64f64"]>
-    ```
-
-    Then within a pass or rewrite the features active at an op can be queried:
-
-    ```c++
-    auto targetFeatures = LLVM::TargetFeaturesAttr::featuresAt(op);
-
-    if (!targetFeatures.contains("+sme-f64f64"))
-      return failure();
-    ```
-  }];
-
-  let parameters = (ins OptionalArrayRefParameter<"StringAttr">:$features);
-
-  let builders = [
-    TypeBuilder<(ins "::llvm::StringRef":$features)>,
-    TypeBuilder<(ins "::llvm::ArrayRef<::llvm::StringRef>":$features)>
-  ];
-
-  let extraClassDeclaration = [{
-    /// Checks if a feature is contained within the features list.
-    /// Note: Using a StringAttr allows doing pointer-comparisons.
-    bool contains(::mlir::StringAttr feature) const;
-    bool contains(::llvm::StringRef feature) const;
-
-    bool nullOrEmpty() const {
-      // Checks if this attribute is null, or the features are empty.
-      return !bool(*this) || getFeatures().empty();
-    }
-
-    /// Returns the list of features as an LLVM-compatible string.
-    std::string getFeaturesString() const;
-
-    /// Finds the target features on the parent FunctionOpInterface.
-    /// Note: This assumes the attribute name matches the return value of
-    /// `getAttributeName()`.
-    static TargetFeaturesAttr featuresAt(Operation* op);
-
-    /// Canonical name for this attribute within MLIR.
-    static constexpr StringLiteral getAttributeName() {
-      return StringLiteral("target_features");
-    }
-  }];
-
-  let assemblyFormat = "`<` `[` (`]`) : ($features^ `]`)? `>`";
-  let genVerifyDecl = 1;
-}
-
-//===----------------------------------------------------------------------===//
-// LLVM_TargetAttr
+// TargetAttr
 //===----------------------------------------------------------------------===//
 
 def LLVM_TargetAttr : LLVM_Attr<"Target", "target",
@@ -1324,7 +1253,7 @@ def LLVM_TargetAttr : LLVM_Attr<"Target", "target",
   }];
   let parameters = (ins "StringAttr":$triple,
                         "StringAttr":$chip,
-                        OptionalParameter<"StringAttr", "">:$features);
+                        OptionalParameter<"TargetFeaturesAttr", "">:$features);
 
   let assemblyFormat = [{`<` struct($triple, $chip, $features) `>`}];
 
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrs.h b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrs.h
index 1ceeb7e4ba2a5..4a24a9146fb72 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrs.h
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMAttrs.h
@@ -92,9 +92,14 @@ class TBAANodeAttr : public Attribute {
 using cconv::CConv;
 using linkage::Linkage;
 using tailcallkind::TailCallKind;
+
+class TargetFeaturesAttr;
 } // namespace LLVM
 } // namespace mlir
 
+#define GET_ATTRDEF_CLASSES
+#include "mlir/Dialect/LLVMIR/LLVMTargetFeaturesAttrDefs.h.inc"
+
 #include "mlir/Dialect/LLVMIR/LLVMAttrInterfaces.h.inc"
 
 #define GET_ATTRDEF_CLASSES
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMDialect.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMDialect.td
index ab0462f945a33..541df23784c01 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMDialect.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMDialect.td
@@ -10,6 +10,7 @@
 #define LLVMIR_DIALECT
 
 include "mlir/IR/DialectBase.td"
+include "mlir/IR/AttrTypeBase.td"
 
 def LLVM_Dialect : Dialect {
   let name = "llvm";
@@ -127,4 +128,12 @@ def LLVM_Dialect : Dialect {
   }];
 }
 
+// All of the attributes will extend this class.
+class LLVM_Attr<string name, string attrMnemonic,
+                list<Trait> traits = [],
+                string baseCppClass = "::mlir::Attribute">
+    : AttrDef<LLVM_Dialect, name, traits, baseCppClass> {
+  let mnemonic = attrMnemonic;
+}
+
 #endif  // LLVMIR_DIALECT
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMInterfaces.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMInterfaces.td
index 64600e86bedfb..dab2af75d071e 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMInterfaces.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMInterfaces.td
@@ -561,7 +561,7 @@ def LLVM_TargetAttrInterface
     >,
     InterfaceMethod<
       /*description=*/"Returns the target features as a string.",
-      /*retTy=*/"StringAttr",
+      /*retTy=*/"LLVM::TargetFeaturesAttr",
       /*methodName=*/"getFeatures",
       /*args=*/(ins)
     >
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
index 3f27f6d9ae8b7..6e6e5b0aa75b1 100644
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
@@ -14,6 +14,7 @@
 #define LLVMIR_OPS
 
 include "mlir/Dialect/LLVMIR/LLVMAttrDefs.td"
+include "mlir/Dialect/LLVMIR/LLVMTargetFeaturesAttrDefs.td"
 include "mlir/Dialect/LLVMIR/LLVMEnums.td"
 include "mlir/Dialect/LLVMIR/LLVMOpBase.td"
 include "mlir/IR/EnumAttr.td"
diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMTargetFeaturesAttrDefs.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMTargetFeaturesAttrDefs.td
new file mode 100644
index 0000000000000..9ee52c3dfc7bf
--- /dev/null
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMTargetFeaturesAttrDefs.td
@@ -0,0 +1,89 @@
+//===-- LLVMTargetFeaturesAttrDefs.td ----------------------*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Separate out the LLVM_TargetFeaturesAttr definition from LLVMAttrDefs.td so
+// as to break a circular dependency between LLVMInterfaces.td and LLVMAttrDefs.
+// In particular, the TargetAttrInterface requires LLVMTargetFeaturesAttr
+// and attrs in LLVMAttrDefs.td require interfaces from LLVMInterfaces.td.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVMIR_TARGETFEATURESATTRDEFS
+#define LLVMIR_TARGETFEATURESATTRDEFS
+
+include "mlir/Dialect/LLVMIR/LLVMDialect.td"
+include "mlir/Interfaces/DataLayoutInterfaces.td"
+
+//===----------------------------------------------------------------------===//
+// TargetFeaturesAttr
+//===----------------------------------------------------------------------===//
+
+def LLVM_TargetFeaturesAttr : LLVM_Attr<"TargetFeatures", "target_features",
+                                        [DLTIQueryInterface]>
+{
+  let summary = "LLVM target features attribute";
+
+  let description = [{
+    Represents the LLVM target features as a list that can be checked within
+    passes/rewrites.
+
+    Example:
+    ```mlir
+    #llvm.target_features<["+sme", "+sve", "+sme-f64f64"]>
+    ```
+
+    Then within a pass or rewrite the features active at an op can be queried:
+
+    ```c++
+    auto targetFeatures = LLVM::TargetFeaturesAttr::featuresAt(op);
+
+    if (!targetFeatures.contains("+sme-f64f64"))
+      return failure();
+    ```
+  }];
+
+  let parameters = (ins OptionalArrayRefParameter<"StringAttr">:$features);
+
+  let builders = [
+    TypeBuilder<(ins "::llvm::StringRef":$features)>,
+    TypeBuilder<(ins "::llvm::ArrayRef<::llvm::StringRef>":$features)>
+  ];
+
+  let extraClassDeclaration = [{
+    /// Checks if a feature is contained within the features list.
+    /// Note: Using a StringAttr allows doing pointer-comparisons.
+    bool contains(::mlir::StringAttr feature) const;
+    bool contains(::llvm::StringRef feature) const;
+
+    bool nullOrEmpty() const {
+      // Checks if this attribute is null, or the features are empty.
+      return !bool(*this) || getFeatures().empty();
+    }
+
+    /// Returns the list of features as an LLVM-compatible string.
+    std::string getFeaturesString() const;
+
+    /// Finds the target features on the parent FunctionOpInterface.
+    /// Note: This assumes the attribute name matches the return value of
+    /// `getAttributeName()`.
+    static TargetFeaturesAttr featuresAt(Operation* op);
+
+    /// Canonical name for this attribute within MLIR.
+    static constexpr StringLiteral getAttributeName() {
+      return StringLiteral("target_features");
+    }
+
+    /// Returns the attribute associated with the key.
+    FailureOr<Attribute> query(DataLayoutEntryKey key);
+  }];
+
+  let assemblyFormat = "`<` `[` (`]`) : ($features^ `]`)? `>`";
+  let genVerifyDecl = 1;
+}
+
+#endif // LLVMIR_TARGETFEATURESATTRDEFS
diff --git a/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.h b/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.h
index 1e6419154108c..db8feb3ae2396 100644
--- a/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.h
+++ b/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.h
@@ -9,12 +9,26 @@
 #ifndef MLIR_TARGET_LLVMIR_TRANSFORMS_PASSES_H
 #define MLIR_TARGET_LLVMIR_TRANSFORMS_PASSES_H
 
+#include "mlir/Dialect/LLVMIR/LLVMInterfaces.h"
 #include "mlir/Pass/Pass.h"
+#include "llvm/Support/Threading.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace mlir {
 
 namespace LLVM {
 
+namespace detail {
+
+void initializeBackendsOnce();
+
+FailureOr<std::unique_ptr<llvm::TargetMachine>>
+getTargetMachine(mlir::LLVM::TargetAttrInterface attr);
+
+FailureOr<llvm::DataLayout> getDataLayout(mlir::LLVM::TargetAttrInterface attr);
+
+} // namespace detail
+
 #define GEN_PASS_DECL
 #define GEN_PASS_REGISTRATION
 #include "mlir/Target/LLVMIR/Transforms/Passes.h.inc"
diff --git a/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.td b/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.td
index 906f6e82efa50..b01baa8744ee3 100644
--- a/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.td
+++ b/mlir/include/mlir/Target/LLVMIR/Transforms/Passes.td
@@ -27,4 +27,18 @@ def LLVMTargetToDataLayout : Pass<"llvm-target-to-data-layout"> {
   ];
 }
 
+def LLVMTargetToTargetFeatures : Pass<"llvm-target-to-target-features"> {
+  let summary = "TODO";
+  let dependentDialects = ["mlir::DLTIDialect"];
+  let description = [{
+    TODO
+  }];
+  let options = [
+    Option<"initializeLLVMTargets", "initialize-llvm-targets", "bool",
+           /*default=*/"true",
+           "Whether to pre-load all available target machines, that LLVM is "
+           "configured to support, into the TargetRegistry.">
+  ];
+}
+
 #endif // MLIR_TARGET_LLVMIR_TRANSFORMS_PASSES
diff --git a/mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp b/mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp
index 634efcaea794e..8860b82d48a39 100644
--- a/mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp
+++ b/mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp
@@ -403,6 +403,20 @@ ModuleFlagAttr::verify(function_ref<InFlightDiagnostic()> emitError,
                      << key << "'";
 }
 
+FailureOr<Attribute> TargetFeaturesAttr::query(DataLayoutEntryKey key) {
+  if (auto stringKey = dyn_cast<StringAttr>(key)) {
+    if (contains(stringKey))
+      return UnitAttr::get(getContext());
+
+    if (contains((std::string("+") + stringKey.strref()).str()))
+      return BoolAttr::get(getContext(), true);
+
+    if (contains((std::string("-") + stringKey.strref()).str()))
+      return BoolAttr::get(getContext(), false);
+  }
+  return failure();
+}
+
 //===----------------------------------------------------------------------===//
 // LLVM_TargetAttr
 //===----------------------------------------------------------------------===//
diff --git a/mlir/lib/Target/LLVMIR/Transforms/CMakeLists.txt b/mlir/lib/Target/LLVMIR/Transforms/CMakeLists.txt
index a0232601c5f9c..044da1c442049 100644
--- a/mlir/lib/Target/LLVMIR/Transforms/CMakeLists.txt
+++ b/mlir/lib/Target/LLVMIR/Transforms/CMakeLists.txt
@@ -1,5 +1,7 @@
 add_mlir_dialect_library(MLIRTargetLLVMIRTransforms
   TargetToDataLayout.cpp
+  TargetToTargetFeatures.cpp
+  TargetUtils.cpp
 
   DEPENDS
   MLIRTargetLLVMIRTransformsIncGen
diff --git a/mlir/lib/Target/LLVMIR/Transforms/TargetToDataLayout.cpp b/mlir/lib/Target/LLVMIR/Transforms/TargetToDataLayout.cpp
index d41d441812039..250d6162fd780 100644
--- a/mlir/lib/Target/LLVMIR/Transforms/TargetToDataLayout.cpp
+++ b/mlir/lib/Target/LLVMIR/Transforms/TargetToDataLayout.cpp
@@ -5,21 +5,13 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 #include "mlir/Target/LLVMIR/Transforms/Passes.h"
 
 #include "mlir/Dialect/DLTI/DLTI.h"
 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
 #include "mlir/Target/LLVMIR/Import.h"
 
-#include "llvm/MC/TargetRegistry.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/TargetSelect.h"
-#include "llvm/Target/TargetMachine.h"
-
-#define DEBUG_TYPE "mlir-llvm-target-to-data-layout"
-#define DBGS() (llvm::dbgs() << '[' << DEBUG_TYPE << "] ")
-#define LDBG(X) LLVM_DEBUG(DBGS() << X << "\n")
-
 namespace mlir {
 namespace LLVM {
 #define GEN_PASS_DEF_LLVMTARGETTODATALAYOUT
@@ -29,35 +21,6 @@ namespace LLVM {
 
 using namespace mlir;
 
-static FailureOr<std::unique_ptr<llvm::TargetMachine>>
-getTargetMachine(LLVM::TargetAttrInterface attr) {
-  StringRef triple = attr.getTriple();
-  StringRef chipAKAcpu = attr.getChip();
-  StringRef features = attr.getFeatures() ? attr.getFeatures().getValue() : "";
-
-  std::string error;
-  const llvm::Target *target =
-      llvm::TargetRegistry::lookupTarget(triple, error);
-  if (!target || !error.empty()) {
-    LDBG("Looking up target '" << triple << "' failed: " << error << "\n");
-    return failure();
-  }
-
-  return std::unique_ptr<llvm::TargetMachine>(target->createTargetMachine(
-      llvm::Triple(triple), chipAKAcpu, features, {}, {}));
-}
-
-static FailureOr<llvm::DataLayout>
-getDataLayout(LLVM::TargetAttrInterface attr) {
-  FailureOr<std::unique_ptr<llvm::TargetMachine>> targetMachine =
-      getTargetMachine(attr);
-  if (failed(targetMachine)) {
-    LDBG("Failed to retrieve the target machine for data layout.\n");
-    return failure();
-  }
-  return (targetMachine.value())->createDataLayout();
-}
-
 struct TargetToDataLayoutPass
     : public LLVM::impl::LLVMTargetToDataLayoutBase<TargetToDataLayoutPass> {
   using LLVM::impl::LLVMTargetToDataLayoutBase<
@@ -66,15 +29,8 @@ struct TargetToDataLayoutPass
   void runOnOperation() override {
     Operation *op = getOperation();
 
-    if (initializeLLVMTargets) {
-      static llvm::once_flag initializeBackendsOnce;
-      llvm::call_once(initializeBackendsOnce, []() {
-        // Ensure that the targets, that LLVM has been configured to support,
-        // are loaded into the TargetRegistry.
-        llvm::InitializeAllTargets();
-        llvm::InitializeAllTargetMCs();
-      });
-    }
+    if (initializeLLVMTargets)
+      LLVM::detail::initializeBackendsOnce();
 
     auto targetAttr = op->getAttrOfType<LLVM::TargetAttrInterface>(
         LLVM::LLVMDialect::getTargetAttrName());
@@ -85,7 +41,8 @@ struct TargetToDataLayoutPass
       return signalPassFailure();
     }
 
-    FailureOr<llvm::DataLayout> dataLayout = getDataLayout(targetAttr);
+    FailureOr<llvm::DataLayout> dataLayout =
+        LLVM::detail::getDataLayout(targetAttr);
     if (failed(dataLayout)) {
       op->emitError() << "failed to obtain llvm::DataLayout for " << targetAttr;
       return signalPassFailure();
diff --git a/mlir/lib/Target/LLVMIR/Transforms/TargetToTargetFeatures.cpp b/mlir/lib/Target/LLVMIR/Transforms/TargetToTargetFeatures.cpp
new file mode 100644
index 0000000000000..34d1981ee11df
--- /dev/null
+++ b/mlir/lib/Target/LLVMIR/Transforms/TargetToTargetFeatures.cpp
@@ -0,0 +1,77 @@
+//===- TargetToTargetFeatures.cpp - extract features from TargetMachine ---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Target/LLVMIR/Transforms/Passes.h"
+
+#include "mlir/Dialect/DLTI/DLTI.h"
+#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
+#include "mlir/Target/LLVMIR/Import.h"
+
+#include "llvm/MC/MCSubtargetInfo.h"
+
+namespace mlir {
+namespace LLVM {
+#define GEN_PASS_DEF_LLVMTARGETTOTARGETFEATURES
+#include "mlir/Target/LLVMIR/Transforms/Passes.h.inc"
+} // namespace LLVM
+} // namespace mlir
+
+using namespace mlir;
+
+struct TargetToTargetFeaturesPass
+    : public LLVM::impl::LLVMTargetToTargetFeaturesBase<
+          TargetToTargetFeaturesPass> {
+  using LLVM::impl::LLVMTargetToTargetFeaturesBase<
+      TargetToTargetFeaturesPas...
[truncated]