fix errors

Author: Wolfram70

mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp

@@ -190,7 +190,7 @@ LogicalResult ConvertFloatToTF32Op::verify() {
 }
 
 LogicalResult ConvertF32x2ToF6x2Op::verify() {
-  llvm::LLVMContext &ctx = getContext();
+  mlir::MLIRContext *ctx = getContext();
 
   if (!llvm::isa<mlir::Float6E2M3FNType, mlir::Float6E3M2FNType>(getDstTy())) {
     return emitOpError("Only ")
@@ -212,7 +212,7 @@ LogicalResult ConvertF32x2ToF8x2Op::verify() {
 
   bool hasRelu = getRelu();
 
-  llvm::LLVMContext &ctx = getContext();
+  mlir::MLIRContext *ctx = getContext();
 
   return llvm::TypeSwitch<mlir::Type, LogicalResult>(getDstTy())
       .Case<mlir::Float8E4M3FNType, mlir::Float8E5M2Type>(
@@ -244,7 +244,7 @@ LogicalResult ConvertF32x2ToF8x2Op::verify() {
         }
         return success();
       })
-      .Default([this](mlir::Type) {
+      .Default([&](mlir::Type) {
         return emitOpError("Only ")
                << mlir::Float8E4M3FNType::get(ctx) << ", "
                << mlir::Float8E5M2Type::get(ctx) << ", and "
@@ -255,7 +255,7 @@ LogicalResult ConvertF32x2ToF8x2Op::verify() {
 }
 
 LogicalResult ConvertF16x2ToF8x2Op::verify() {
-  llvm::LLVMContext &ctx = getContext();
+  mlir::MLIRContext *ctx = getContext();
 
   if (!llvm::isa<mlir::Float8E4M3FNType, mlir::Float8E5M2Type>(getDstTy())) {
     return emitOpError("Only ")