test/tint/builtins/gen/var/firstTrailingBit/47d475.wgsl.expected.spvasm

; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 1
; Bound: 88
; Schema: 0
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %fragment_main "fragment_main"
               OpEntryPoint GLCompute %compute_main "compute_main"
               OpEntryPoint Vertex %vertex_main "vertex_main" %vertex_main_position_Output %vertex_main_loc0_Output %vertex_main___point_size_Output
               OpExecutionMode %fragment_main OriginUpperLeft
               OpExecutionMode %compute_main LocalSize 1 1 1
               OpMemberName %prevent_dce_block 0 "inner"
               OpName %prevent_dce_block "prevent_dce_block"
               OpName %vertex_main_position_Output "vertex_main_position_Output"
               OpName %vertex_main_loc0_Output "vertex_main_loc0_Output"
               OpName %vertex_main___point_size_Output "vertex_main___point_size_Output"
               OpName %firstTrailingBit_47d475 "firstTrailingBit_47d475"
               OpName %arg_0 "arg_0"
               OpName %res "res"
               OpName %fragment_main "fragment_main"
               OpName %compute_main "compute_main"
               OpName %vertex_main_inner "vertex_main_inner"
               OpMemberName %VertexOutput 0 "pos"
               OpMemberName %VertexOutput 1 "prevent_dce"
               OpName %VertexOutput "VertexOutput"
               OpName %out "out"
               OpName %vertex_main "vertex_main"
               OpMemberDecorate %prevent_dce_block 0 Offset 0
               OpDecorate %prevent_dce_block Block
               OpDecorate %1 DescriptorSet 0
               OpDecorate %1 Binding 0
               OpDecorate %1 Coherent
               OpDecorate %vertex_main_position_Output BuiltIn Position
               OpDecorate %vertex_main_loc0_Output Location 0
               OpDecorate %vertex_main_loc0_Output Flat
               OpDecorate %vertex_main___point_size_Output BuiltIn PointSize
               OpMemberDecorate %VertexOutput 0 Offset 0
               OpMemberDecorate %VertexOutput 1 Offset 16
       %uint = OpTypeInt 32 0
%prevent_dce_block = OpTypeStruct %uint
%_ptr_StorageBuffer_prevent_dce_block = OpTypePointer StorageBuffer %prevent_dce_block
          %1 = OpVariable %_ptr_StorageBuffer_prevent_dce_block StorageBuffer
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%vertex_main_position_Output = OpVariable %_ptr_Output_v4float Output
%_ptr_Output_uint = OpTypePointer Output %uint
%vertex_main_loc0_Output = OpVariable %_ptr_Output_uint Output
%_ptr_Output_float = OpTypePointer Output %float
%vertex_main___point_size_Output = OpVariable %_ptr_Output_float Output
         %14 = OpTypeFunction %uint
%_ptr_Function_uint = OpTypePointer Function %uint
     %uint_1 = OpConstant %uint 1
 %uint_65535 = OpConstant %uint 65535
     %uint_0 = OpConstant %uint 0
       %bool = OpTypeBool
    %uint_16 = OpConstant %uint 16
   %uint_255 = OpConstant %uint 255
     %uint_8 = OpConstant %uint 8
    %uint_15 = OpConstant %uint 15
     %uint_4 = OpConstant %uint 4
     %uint_3 = OpConstant %uint 3
     %uint_2 = OpConstant %uint 2
%uint_4294967295 = OpConstant %uint 4294967295
       %void = OpTypeVoid
         %60 = OpTypeFunction %void
%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
%VertexOutput = OpTypeStruct %v4float %uint
         %71 = OpTypeFunction %VertexOutput
%_ptr_Function_VertexOutput = OpTypePointer Function %VertexOutput
         %75 = OpConstantNull %VertexOutput
%_ptr_Function_v4float = OpTypePointer Function %v4float
         %78 = OpConstantNull %v4float
    %float_1 = OpConstant %float 1
%firstTrailingBit_47d475 = OpFunction %uint None %14
         %15 = OpLabel
      %arg_0 = OpVariable %_ptr_Function_uint Function
        %res = OpVariable %_ptr_Function_uint Function
               OpStore %arg_0 %uint_1
         %19 = OpLoad %uint %arg_0 None
         %20 = OpBitwiseAnd %uint %19 %uint_65535
         %22 = OpIEqual %bool %20 %uint_0
         %25 = OpSelect %uint %22 %uint_16 %uint_0
         %27 = OpShiftRightLogical %uint %19 %25
         %28 = OpBitwiseAnd %uint %27 %uint_255
         %30 = OpIEqual %bool %28 %uint_0
         %31 = OpSelect %uint %30 %uint_8 %uint_0
         %33 = OpShiftRightLogical %uint %27 %31
         %34 = OpBitwiseAnd %uint %33 %uint_15
         %36 = OpIEqual %bool %34 %uint_0
         %37 = OpSelect %uint %36 %uint_4 %uint_0
         %39 = OpShiftRightLogical %uint %33 %37
         %40 = OpBitwiseAnd %uint %39 %uint_3
         %42 = OpIEqual %bool %40 %uint_0
         %43 = OpSelect %uint %42 %uint_2 %uint_0
         %45 = OpShiftRightLogical %uint %39 %43
         %46 = OpBitwiseAnd %uint %45 %uint_1
         %47 = OpIEqual %bool %46 %uint_0
         %48 = OpSelect %uint %47 %uint_1 %uint_0
         %49 = OpBitwiseOr %uint %43 %48
         %50 = OpBitwiseOr %uint %37 %49
         %51 = OpBitwiseOr %uint %31 %50
         %52 = OpBitwiseOr %uint %25 %51
         %53 = OpIEqual %bool %45 %uint_0
         %54 = OpSelect %uint %53 %uint_4294967295 %52
               OpStore %res %54
         %57 = OpLoad %uint %res None
               OpReturnValue %57
               OpFunctionEnd
%fragment_main = OpFunction %void None %60
         %61 = OpLabel
         %62 = OpFunctionCall %uint %firstTrailingBit_47d475
         %63 = OpAccessChain %_ptr_StorageBuffer_uint %1 %uint_0
               OpStore %63 %62 None
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %60
         %66 = OpLabel
         %67 = OpFunctionCall %uint %firstTrailingBit_47d475
         %68 = OpAccessChain %_ptr_StorageBuffer_uint %1 %uint_0
               OpStore %68 %67 None
               OpReturn
               OpFunctionEnd
%vertex_main_inner = OpFunction %VertexOutput None %71
         %72 = OpLabel
        %out = OpVariable %_ptr_Function_VertexOutput Function %75
         %76 = OpAccessChain %_ptr_Function_v4float %out %uint_0
               OpStore %76 %78 None
         %79 = OpAccessChain %_ptr_Function_uint %out %uint_1
         %80 = OpFunctionCall %uint %firstTrailingBit_47d475
               OpStore %79 %80 None
         %81 = OpLoad %VertexOutput %out None
               OpReturnValue %81
               OpFunctionEnd
%vertex_main = OpFunction %void None %60
         %83 = OpLabel
         %84 = OpFunctionCall %VertexOutput %vertex_main_inner
         %85 = OpCompositeExtract %v4float %84 0
               OpStore %vertex_main_position_Output %85 None
         %86 = OpCompositeExtract %uint %84 1
               OpStore %vertex_main_loc0_Output %86 None
               OpStore %vertex_main___point_size_Output %float_1 None
               OpReturn
               OpFunctionEnd