SPIR-V shader

; SPIR-V
; Version: 1.3
; Generator: Khronos; 0
; Bound: 1011
; Schema: 0
               OpCapability StorageUniform16
               OpCapability Shader
               OpCapability ImageQuery
               OpCapability Image1D
               OpExtension "SPV_KHR_storage_buffer_storage_class"
               OpExtension "SPV_KHR_variable_pointers"
        %194 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Vertex %1008 "main" %vertex_index %instance_index %per_vertex %in_attr0 %in_attr1 %in_attr2 %in_attr3 %out_attr0 %out_attr1 %out_attr2
               OpDecorate %CbufStd140Array ArrayStride 16
               OpDecorate %CbufScalarArray ArrayStride 4
               OpDecorate %_struct_35 Block
               OpMemberDecorate %_struct_35 0 Offset 0
               OpDecorate %_struct_36 Block
               OpMemberDecorate %_struct_36 0 Offset 0
               OpDecorate %GmemArray ArrayStride 4
               OpDecorate %_struct_41 Block
               OpMemberDecorate %_struct_41 0 Offset 0
               OpDecorate %vertex_index BuiltIn VertexIndex
               OpDecorate %instance_index BuiltIn InstanceIndex
               OpDecorate %PerVertex Block
               OpMemberDecorate %PerVertex 0 BuiltIn Position
               OpDecorate %in_attr0 Location 0
               OpDecorate %in_attr1 Location 1
               OpDecorate %in_attr2 Location 2
               OpDecorate %in_attr3 Location 3
               OpDecorate %out_attr0 Location 0
               OpDecorate %out_attr1 Location 1
               OpDecorate %out_attr2 Location 2
               OpDecorate %cbuf_1 Binding 0
               OpDecorate %cbuf_1 DescriptorSet 0
               OpDecorate %cbuf_8 Binding 1
               OpDecorate %cbuf_8 DescriptorSet 0
               OpDecorate %cbuf_9 Binding 2
               OpDecorate %cbuf_9 DescriptorSet 0
               OpDecorate %cbuf_10 Binding 3
               OpDecorate %cbuf_10 DescriptorSet 0
       %void = OpTypeVoid
       %bool = OpTypeBool
      %bool2 = OpTypeVector %bool 2
        %int = OpTypeInt 32 1
       %int2 = OpTypeVector %int 2
       %int3 = OpTypeVector %int 3
       %int4 = OpTypeVector %int 4
       %uint = OpTypeInt 32 0
      %uint2 = OpTypeVector %uint 2
      %uint3 = OpTypeVector %uint 3
      %uint4 = OpTypeVector %uint 4
      %float = OpTypeFloat 32
     %float2 = OpTypeVector %float 2
     %float3 = OpTypeVector %float 3
     %float4 = OpTypeVector %float 4
   %prv_bool = OpTypePointer Private %bool
  %prv_float = OpTypePointer Private %float
  %func_uint = OpTypePointer Function %uint
    %in_bool = OpTypePointer Input %bool
     %in_int = OpTypePointer Input %int
    %in_int4 = OpTypePointer Input %int4
    %in_uint = OpTypePointer Input %uint
   %in_uint3 = OpTypePointer Input %uint3
   %in_uint4 = OpTypePointer Input %uint4
   %in_float = OpTypePointer Input %float
  %in_float2 = OpTypePointer Input %float2
  %in_float4 = OpTypePointer Input %float4
  %out_float = OpTypePointer Output %float
 %out_float4 = OpTypePointer Output %float4
%_ptr_Uniform_float = OpTypePointer Uniform %float
  %uint_4096 = OpConstant %uint 4096
%CbufStd140Array = OpTypeArray %float4 %uint_4096
 %uint_16384 = OpConstant %uint 16384
%CbufScalarArray = OpTypeArray %float %uint_16384
 %_struct_35 = OpTypeStruct %CbufStd140Array
 %_struct_36 = OpTypeStruct %CbufScalarArray
%_ptr_Uniform__struct_35 = OpTypePointer Uniform %_struct_35
%_ptr_Uniform__struct_36 = OpTypePointer Uniform %_struct_36
%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float
  %GmemArray = OpTypeRuntimeArray %float
 %_struct_41 = OpTypeStruct %GmemArray
%_ptr_StorageBuffer__struct_41 = OpTypePointer StorageBuffer %_struct_41
    %float_0 = OpConstant %float 0
       %true = OpConstantTrue %bool
      %false = OpConstantFalse %bool
  %PerVertex = OpTypeStruct %float4
%_ptr_Output_PerVertex = OpTypePointer Output %PerVertex
         %85 = OpConstantNull %float4
         %93 = OpTypeFunction %void
    %uint_10 = OpConstant %uint 10
    %uint_20 = OpConstant %uint 20
%_arr_uint_uint_20 = OpTypeArray %uint %uint_20
        %105 = OpConstantNull %_arr_uint_uint_20
%_ptr_Function__arr_uint_uint_20 = OpTypePointer Function %_arr_uint_uint_20
     %uint_0 = OpConstant %uint 0
     %uint_3 = OpConstant %uint 3
     %uint_2 = OpConstant %uint 2
    %uint_32 = OpConstant %uint 32
   %uint_0_0 = OpConstant %uint 0
    %uint_29 = OpConstant %uint 29
   %uint_292 = OpConstant %uint 292
     %uint_1 = OpConstant %uint 1
%uint_1084227584 = OpConstant %uint 1084227584
  %float_0_5 = OpConstant %float 0.5
    %uint_49 = OpConstant %uint 49
%uint_1056964608 = OpConstant %uint 1056964608
%uint_1048576 = OpConstant %uint 1048576
%uint_524288 = OpConstant %uint 524288
    %uint_80 = OpConstant %uint 80
%uint_1065353216 = OpConstant %uint 1065353216
     %uint_4 = OpConstant %uint 4
     %uint_5 = OpConstant %uint 5
     %uint_6 = OpConstant %uint 6
    %uint_96 = OpConstant %uint 96
  %uint_1536 = OpConstant %uint 1536
%uint_3204448256 = OpConstant %uint 3204448256
    %uint_64 = OpConstant %uint 64
   %uint_100 = OpConstant %uint 100
    %uint_52 = OpConstant %uint 52
   %uint_208 = OpConstant %uint 208
  %uint_1540 = OpConstant %uint 1540
    %uint_68 = OpConstant %uint 68
   %uint_212 = OpConstant %uint 212
    %uint_56 = OpConstant %uint 56
   %uint_192 = OpConstant %uint 192
   %uint_224 = OpConstant %uint 224
%uint_4294967295 = OpConstant %uint 4294967295
    %uint_84 = OpConstant %uint 84
   %uint_228 = OpConstant %uint 228
    %uint_72 = OpConstant %uint 72
   %uint_196 = OpConstant %uint 196
    %uint_88 = OpConstant %uint 88
   %uint_216 = OpConstant %uint 216
   %uint_104 = OpConstant %uint 104
   %uint_232 = OpConstant %uint 232
    %uint_76 = OpConstant %uint 76
   %uint_200 = OpConstant %uint 200
    %uint_92 = OpConstant %uint 92
   %uint_220 = OpConstant %uint 220
   %uint_108 = OpConstant %uint 108
   %uint_236 = OpConstant %uint 236
   %uint_204 = OpConstant %uint 204
   %uint_960 = OpConstant %uint 960
   %uint_964 = OpConstant %uint 964
   %uint_968 = OpConstant %uint 968
    %uint_48 = OpConstant %uint 48
   %uint_944 = OpConstant %uint 944
     %uint_8 = OpConstant %uint 8
   %uint_160 = OpConstant %uint 160
   %uint_176 = OpConstant %uint 176
   %uint_144 = OpConstant %uint 144
   %uint_128 = OpConstant %uint 128
   %uint_776 = OpConstant %uint 776
   %uint_780 = OpConstant %uint 780
   %uint_768 = OpConstant %uint 768
   %uint_164 = OpConstant %uint 164
   %uint_180 = OpConstant %uint 180
   %uint_148 = OpConstant %uint 148
   %uint_132 = OpConstant %uint 132
  %uint_1088 = OpConstant %uint 1088
   %uint_772 = OpConstant %uint 772
   %uint_168 = OpConstant %uint 168
   %uint_184 = OpConstant %uint 184
   %uint_152 = OpConstant %uint 152
   %uint_136 = OpConstant %uint 136
    %uint_12 = OpConstant %uint 12
   %uint_172 = OpConstant %uint 172
   %uint_188 = OpConstant %uint 188
   %uint_156 = OpConstant %uint 156
   %uint_140 = OpConstant %uint 140
%vertex_index = OpVariable %in_uint Input
%instance_index = OpVariable %in_uint Input
 %per_vertex = OpVariable %_ptr_Output_PerVertex Output
      %gpr_0 = OpVariable %prv_float Private %float_0
      %gpr_1 = OpVariable %prv_float Private %float_0
      %gpr_2 = OpVariable %prv_float Private %float_0
      %gpr_3 = OpVariable %prv_float Private %float_0
      %gpr_4 = OpVariable %prv_float Private %float_0
      %gpr_5 = OpVariable %prv_float Private %float_0
      %gpr_6 = OpVariable %prv_float Private %float_0
      %gpr_7 = OpVariable %prv_float Private %float_0
      %gpr_8 = OpVariable %prv_float Private %float_0
      %gpr_9 = OpVariable %prv_float Private %float_0
     %gpr_10 = OpVariable %prv_float Private %float_0
     %gpr_11 = OpVariable %prv_float Private %float_0
     %gpr_12 = OpVariable %prv_float Private %float_0
     %gpr_13 = OpVariable %prv_float Private %float_0
     %gpr_14 = OpVariable %prv_float Private %float_0
     %gpr_16 = OpVariable %prv_float Private %float_0
     %pred_0 = OpVariable %prv_bool Private %false
     %pred_1 = OpVariable %prv_bool Private %false
     %pred_2 = OpVariable %prv_bool Private %false
     %pred_3 = OpVariable %prv_bool Private %false
     %pred_4 = OpVariable %prv_bool Private %false
     %pred_5 = OpVariable %prv_bool Private %false
     %pred_6 = OpVariable %prv_bool Private %false
       %zero = OpVariable %prv_bool Private %false
       %sign = OpVariable %prv_bool Private %false
      %carry = OpVariable %prv_bool Private %false
   %overflow = OpVariable %prv_bool Private %false
   %in_attr0 = OpVariable %in_float4 Input
   %in_attr1 = OpVariable %in_float4 Input
   %in_attr2 = OpVariable %in_float4 Input
   %in_attr3 = OpVariable %in_float4 Input
  %out_attr0 = OpVariable %out_float4 Output %85
  %out_attr1 = OpVariable %out_float4 Output %85
  %out_attr2 = OpVariable %out_float4 Output %85
     %cbuf_1 = OpVariable %_ptr_Uniform__struct_36 Uniform
     %cbuf_8 = OpVariable %_ptr_Uniform__struct_36 Uniform
     %cbuf_9 = OpVariable %_ptr_Uniform__struct_36 Uniform
    %cbuf_10 = OpVariable %_ptr_Uniform__struct_36 Uniform
         %94 = OpFunction %void None %93
         %95 = OpLabel
     %jmp_to = OpVariable %func_uint Function %uint_10
%ssy_flow_stack = OpVariable %_ptr_Function__arr_uint_uint_20 Function %105
%ssy_flow_stack_top = OpVariable %func_uint Function %uint_0
%pbk_flow_stack = OpVariable %_ptr_Function__arr_uint_uint_20 Function %105
%pbk_flow_stack_top = OpVariable %func_uint Function %uint_0
               OpBranch %loop
       %loop = OpLabel
               OpLoopMerge %merge %continue None
               OpBranch %98
         %98 = OpLabel
        %113 = OpLoad %uint %jmp_to
               OpSelectionMerge %99 None
               OpSwitch %113 %112 10 %label_0xa 29 %label_0x1d 49 %label_0x31
        %112 = OpLabel
               OpReturn
  %label_0xa = OpLabel
               OpBranch %label_0x1d
 %label_0x1d = OpLabel

;; vkBegin
        %176 = OpLoad %bool %pred_0
        %177 = OpLogicalNot %bool %176
;               OpSelectionMerge %175 None
;               OpBranchConditional %177 %174 %175
;        %174 = OpLabel
;        %178 = OpAccessChain %out_float %per_vertex %uint_0_0 %uint_2
;        %179 = OpAccessChain %out_float %per_vertex %uint_0_0 %uint_3
;        %180 = OpLoad %float %178
;        %181 = OpLoad %float %179
;        %182 = OpFAdd %float %180 %181
;        %184 = OpFMul %float %182 %float_0_5
;               OpStore %178 %184

        %185 = OpLoad %bool %pred_0
        %186 = OpLogicalNot %bool %185
               OpSelectionMerge %188 None
               OpBranchConditional %186 %187 %188 1 0
        %187 = OpLabel
               OpReturn
        %188 = OpLabel
               OpBranch %175
        %175 = OpLabel
;; vkEnd

%00128_ST_A__0xeff07f800787ff00_ = OpUndef %void
        %236 = OpAccessChain %out_float %per_vertex %uint_0_0 %uint_2
        %237 = OpLoad %float %gpr_0
               OpStore %236 %237
               OpStore %jmp_to %uint_49
               OpSelectionMerge %239 None
               OpBranchConditional %true %238 %239 1 0
        %238 = OpLabel
               OpBranch %continue
        %239 = OpLabel
               OpBranch %label_0x31
 %label_0x31 = OpLabel

               OpSelectionMerge %1007 None
               OpBranchConditional %true %1006 %1007 1 0
       %1006 = OpLabel
               OpReturn
       %1007 = OpLabel
               OpBranch %112
         %99 = OpLabel
               OpBranch %continue
   %continue = OpLabel
               OpBranch %loop
      %merge = OpLabel
               OpReturn
               OpFunctionEnd
       %1008 = OpFunction %void None %93
       %1009 = OpLabel
       %1010 = OpFunctionCall %void %94
               OpReturn
               OpFunctionEnd