Index: mlir/lib/Conversion/GPUToVulkan/ConvertLaunchFuncToVulkanCalls.cpp
===================================================================
--- mlir/lib/Conversion/GPUToVulkan/ConvertLaunchFuncToVulkanCalls.cpp
+++ mlir/lib/Conversion/GPUToVulkan/ConvertLaunchFuncToVulkanCalls.cpp
@@ -328,7 +328,7 @@
       std::string fnName = "bindMemRef" + std::to_string(i) + "D" +
                            std::string(stringifyType(type));
       if (type.isHalfTy())
-        type = getMemRefType(i, LLVM::LLVMType::getInt16Ty(&getContext()));
+        type = LLVM::LLVMType::getInt16Ty(&getContext());
       if (!module.lookupSymbol(fnName)) {
         auto fnType = LLVM::LLVMType::getFunctionTy(
             getVoidType(),
Index: mlir/test/Conversion/GPUToVulkan/invoke-vulkan.mlir
===================================================================
--- mlir/test/Conversion/GPUToVulkan/invoke-vulkan.mlir
+++ mlir/test/Conversion/GPUToVulkan/invoke-vulkan.mlir
@@ -15,6 +15,8 @@
 // CHECK: llvm.call @runOnVulkan(%[[Vulkan_Runtime_ptr]]) : (!llvm.ptr<i8>) -> !llvm.void
 // CHECK: llvm.call @deinitVulkan(%[[Vulkan_Runtime_ptr]]) : (!llvm.ptr<i8>) -> !llvm.void
 
+// CHECK: llvm.func @bindMemRef1DHalf(!llvm.ptr<i8>, !llvm.i32, !llvm.i32, !llvm.ptr<struct<(ptr<i16>, ptr<i16>, i64, array<1 x i64>, array<1 x i64>)>>)
+
 module attributes {gpu.container_module} {
   llvm.func @malloc(!llvm.i64) -> !llvm.ptr<i8>
   llvm.func @foo() {