[NFC] Fix mangled names in test

`clang/lib/AST/ItaniumMangle.cpp` doesn't include any `_t` in the
mangled name.

Author: svenvh

test/transcoding/check_wo_qualifier.ll

@@ -26,20 +26,20 @@ target triple = "spir64-unknown-unknown"
 ; Function Attrs: nounwind
 define spir_kernel void @sample_kernel(%opencl.image2d_array_wo_t addrspace(1)* %input) #0 !kernel_arg_addr_space !1 !kernel_arg_access_qual !2 !kernel_arg_type !3 !kernel_arg_base_type !5 !kernel_arg_type_qual !4 {
 entry:
-  %call.tmp1 = call spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_array_wo_t(%opencl.image2d_array_wo_t addrspace(1)* %input)
+  %call.tmp1 = call spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_array_wo(%opencl.image2d_array_wo_t addrspace(1)* %input)
   %call.tmp2 = shufflevector <2 x i32> %call.tmp1, <2 x i32> undef, <3 x i32> <i32 0, i32 1, i32 2>
-  %call.tmp3 = call spir_func i64 @_Z20get_image_array_size20ocl_image2d_array_wo_t(%opencl.image2d_array_wo_t addrspace(1)* %input)
+  %call.tmp3 = call spir_func i64 @_Z20get_image_array_size20ocl_image2d_array_wo(%opencl.image2d_array_wo_t addrspace(1)* %input)
   %call.tmp4 = trunc i64 %call.tmp3 to i32
   %call.tmp5 = insertelement <3 x i32> %call.tmp2, i32 %call.tmp4, i32 2
   %call.old = extractelement <3 x i32> %call.tmp5, i32 0
   ret void
 }
 
 ; Function Attrs: nounwind
-declare spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_array_wo_t(%opencl.image2d_array_wo_t addrspace(1)*) #0
+declare spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_array_wo(%opencl.image2d_array_wo_t addrspace(1)*) #0
 
 ; Function Attrs: nounwind
-declare spir_func i64 @_Z20get_image_array_size20ocl_image2d_array_wo_t(%opencl.image2d_array_wo_t addrspace(1)*) #0
+declare spir_func i64 @_Z20get_image_array_size20ocl_image2d_array_wo(%opencl.image2d_array_wo_t addrspace(1)*) #0
 
 attributes #0 = { nounwind }