               OpCapability Kernel
               OpCapability Addresses
               OpCapability Linkage
               OpMemoryModel Logical OpenCL
               OpTypeForwardPointer %structptr UniformConstant
       %uint = OpTypeInt 32 0
   %structt1 = OpTypeStruct %structptr %uint
   %structt2 = OpTypeStruct %uint %structptr
   %structt3 = OpTypeStruct %uint %uint %structptr
   %structt4 = OpTypeStruct %uint %uint %uint %structptr
  %structptr = OpTypePointer UniformConstant %structt1