spv.debugPrintf.frag
// Module Version 10000
// Generated by (magic number): 8000b
// Id's are bound by 17

                              Capability Shader
                              Extension  "SPV_KHR_non_semantic_info"
               1:             ExtInstImport  "GLSL.std.450"
              11:             ExtInstImport  "NonSemantic.DebugPrintf"
                              MemoryModel Logical GLSL450
                              EntryPoint Fragment 4  "main"
                              ExecutionMode 4 OriginUpperLeft
               6:             String  "ASDF \ ? \ %d %d %d"
              13:             String  "ABAZ"
              15:             String  "B#$B1Z"
                              Source GLSL 450
                              SourceExtension  "GL_EXT_debug_printf"
                              Name 4  "main"
               2:             TypeVoid
               3:             TypeFunction 2
               7:             TypeInt 32 1
               8:      7(int) Constant 1
               9:      7(int) Constant 2
              10:      7(int) Constant 3
         4(main):           2 Function None 3
               5:             Label
              12:           2 ExtInst 11(NonSemantic.DebugPrintf) 1(DebugPrintf) 6 8 9 10
              14:           2 ExtInst 11(NonSemantic.DebugPrintf) 1(DebugPrintf) 13
              16:           2 ExtInst 11(NonSemantic.DebugPrintf) 1(DebugPrintf) 15
                              Return
                              FunctionEnd