Apply clang-tidy fixes for llvm-qualified-auto in ConvertToLLVMPass.cpp (NFC)

Author: joker-eph

mlir/lib/Conversion/ConvertToLLVM/ConvertToLLVMPass.cpp

@@ -41,7 +41,7 @@ class LoadDependentDialectExtension : public DialectExtensionBase {
              MutableArrayRef<Dialect *> dialects) const final {
     LLVM_DEBUG(llvm::dbgs() << "Convert to LLVM extension load\n");
     for (Dialect *dialect : dialects) {
-      auto iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
+      auto *iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
       if (!iface)
         continue;
       LLVM_DEBUG(llvm::dbgs() << "Convert to LLVM found dialect interface for "
@@ -87,7 +87,7 @@ class ConvertToLLVMPass
         if (!dialect)
           return emitError(UnknownLoc::get(context))
                  << "dialect not loaded: " << dialectName << "\n";
-        auto iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
+        auto *iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
         if (!iface)
           return emitError(UnknownLoc::get(context))
                  << "dialect does not implement ConvertToLLVMPatternInterface: "
@@ -101,7 +101,7 @@ class ConvertToLLVMPass
       for (Dialect *dialect : context->getLoadedDialects()) {
         // First time we encounter this dialect: if it implements the interface,
         // let's populate patterns !
-        auto iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
+        auto *iface = dyn_cast<ConvertToLLVMPatternInterface>(dialect);
         if (!iface)
           continue;
         iface->populateConvertToLLVMConversionPatterns(*target, *typeConverter,