SKIP: FAILED

<dawn>/src/tint/lang/msl/writer/printer/printer.cc:355 internal compiler error: buf0 = struct @align(8) {
  injectionSwitch:vec2<f32> @offset(0)
}

main_out = struct @align(16) {
  x_GLF_color_1:vec4<f32> @offset(0), @location(0)
}

%b1 = block {  # root
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_6:ptr<uniform, buf0, read> = var @binding_point(0, 0)
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%main_1 = func():void -> %b2 {
  %b2 = block {
    loop [b: %b3, c: %b4] {  # loop_1
      %b3 = block {  # body
        %x_45:ptr<function, bool, read_write> = var
        %x_48:ptr<function, i32, read_write> = var
        %x_49:ptr<function, i32, read_write> = var
        %x_46:ptr<function, bool, read_write> = var
        %x_115:ptr<function, i32, read_write> = var
        %x_116:ptr<function, i32, read_write> = var
        %x_45_phi:ptr<function, bool, read_write> = var
        %x_48_phi:ptr<function, i32, read_write> = var
        %x_50_phi:ptr<function, i32, read_write> = var
        %x_52_phi:ptr<function, i32, read_write> = var
        %x_111_phi:ptr<function, i32, read_write> = var
        %x_112_phi:ptr<function, bool, read_write> = var
        %x_115_phi:ptr<function, i32, read_write> = var
        %x_118_phi:ptr<function, i32, read_write> = var
        %x_120_phi:ptr<function, i32, read_write> = var
        %x_161_phi:ptr<function, i32, read_write> = var
        %21:ptr<uniform, vec2<f32>, read> = access %x_6, 0u
        %x_40:f32 = load_vector_element %21, 0u
        %x_41:bool = lt %x_40, -1.0f
        store %x_45_phi, false
        store %x_48_phi, 0i
        store %x_50_phi, 0i
        store %x_52_phi, 0i
        loop [b: %b5, c: %b6] {  # loop_2
          %b5 = block {  # body
            %x_62:ptr<function, i32, read_write> = var
            %x_65:ptr<function, i32, read_write> = var
            %x_66:ptr<function, i32, read_write> = var
            %x_63:ptr<function, i32, read_write> = var
            %x_53:ptr<function, i32, read_write> = var
            %x_62_phi:ptr<function, i32, read_write> = var
            %x_65_phi:ptr<function, i32, read_write> = var
            %x_67_phi:ptr<function, i32, read_write> = var
            %x_51_phi:ptr<function, i32, read_write> = var
            %x_49_phi:ptr<function, i32, read_write> = var
            %x_46_phi:ptr<function, bool, read_write> = var
            %35:bool = load %x_45_phi
            store %x_45, %35
            %36:i32 = load %x_48_phi
            store %x_48, %36
            %x_50:i32 = load %x_50_phi
            %x_52:i32 = load %x_52_phi
            %x_55:f32 = load_vector_element %gl_FragCoord, 1u
            %40:i32 = load %x_48
            store %x_111_phi, %40
            %41:bool = load %x_45
            store %x_112_phi, %41
            %42:bool = gt %x_55, -1.0f
            %43:i32 = select 100i, 10i, %42
            %44:bool = lt %x_52, %43
            if %44 [t: %b7, f: %b8] {  # if_1
              %b7 = block {  # true
                exit_if  # if_1
              }
              %b8 = block {  # false
                exit_loop  # loop_2
              }
            }
            %45:i32 = load %x_48
            store %x_62_phi, %45
            store %x_65_phi, %x_50
            store %x_67_phi, 0i
            loop [b: %b9, c: %b10] {  # loop_3
              %b9 = block {  # body
                %x_97:ptr<function, i32, read_write> = var
                %x_68:ptr<function, i32, read_write> = var
                %x_66_phi:ptr<function, i32, read_write> = var
                %49:i32 = load %x_62_phi
                store %x_62, %49
                %50:i32 = load %x_65_phi
                store %x_65, %50
                %x_67:i32 = load %x_67_phi
                %52:i32 = load %x_65
                store %x_51_phi, %52
                %53:i32 = load %x_62
                store %x_49_phi, %53
                %54:bool = load %x_45
                store %x_46_phi, %54
                %55:bool = lt %x_67, 2i
                if %55 [t: %b11, f: %b12] {  # if_2
                  %b11 = block {  # true
                    exit_if  # if_2
                  }
                  %b12 = block {  # false
                    exit_loop  # loop_3
                  }
                }
                loop [b: %b13, c: %b14] {  # loop_4
                  %b13 = block {  # body
                    %x_78:ptr<function, bool, read_write> = var
                    %x_86_phi:ptr<function, i32, read_write> = var
                    %x_97_phi:ptr<function, i32, read_write> = var
                    %x_98_phi:ptr<function, bool, read_write> = var
                    %x_77:f32 = load_vector_element %gl_FragCoord, 0u
                    %61:bool = lt %x_77, -1.0f
                    store %x_78, %61
                    %62:bool = lt %x_40, 0.0f
                    %63:bool = eq %62, false
                    if %63 [t: %b15] {  # if_3
                      %b15 = block {  # true
                        %64:bool = load %x_78
                        if %64 [t: %b16] {  # if_4
                          %b16 = block {  # true
                            store %x_66_phi, 0i
                            exit_loop  # loop_4
                          }
                        }
                        store %x_86_phi, 1i
                        loop [b: %b17, c: %b18] {  # loop_5
                          %b17 = block {  # body
                            %x_87:ptr<function, i32, read_write> = var
                            %x_86:i32 = load %x_86_phi
                            %67:i32 = load %x_65
                            store %x_97_phi, %67
                            store %x_98_phi, false
                            %68:bool = lt %x_86, 3i
                            if %68 [t: %b19, f: %b20] {  # if_5
                              %b19 = block {  # true
                                exit_if  # if_5
                              }
                              %b20 = block {  # false
                                exit_loop  # loop_5
                              }
                            }
                            %69:bool = load %x_78
                            if %69 [t: %b21] {  # if_6
                              %b21 = block {  # true
                                continue %b18
                              }
                            }
                            %70:bool = gt %x_86, 0i
                            if %70 [t: %b22] {  # if_7
                              %b22 = block {  # true
                                store %x_97_phi, 1i
                                store %x_98_phi, true
                                exit_loop  # loop_5
                              }
                            }
                            continue %b18
                          }
                          %b18 = block {  # continuing
                            %71:i32 = add %x_86, 1i
                            store %x_87, %71
                            %72:i32 = load %x_87
                            store %x_86_phi, %72
                            next_iteration %b17
                          }
                        }
                        %73:i32 = load %x_97_phi
                        store %x_97, %73
                        %x_98:bool = load %x_98_phi
                        %75:i32 = load %x_97
                        store %x_66_phi, %75
                        if %x_98 [t: %b23] {  # if_8
                          %b23 = block {  # true
                            exit_loop  # loop_4
                          }
                        }
                        exit_if  # if_3
                      }
                    }
                    store %x_66_phi, 0i
                    exit_loop  # loop_4
                  }
                  %b14 = block {  # continuing
                    next_iteration %b13
                  }
                }
                %76:i32 = load %x_66_phi
                store %x_66, %76
                %77:i32 = load %x_62
                %78:i32 = load %x_66
                %79:i32 = add %77, %78
                %80:i32 = bitcast %79
                store %x_63, %80
                if %x_41 [t: %b24] {  # if_9
                  %b24 = block {  # true
                    loop [b: %b25, c: %b26] {  # loop_6
                      %b25 = block {  # body
                        if %x_41 [t: %b27, f: %b28] {  # if_10
                          %b27 = block {  # true
                            exit_if  # if_10
                          }
                          %b28 = block {  # false
                            exit_loop  # loop_6
                          }
                        }
                        continue %b26
                      }
                      %b26 = block {  # continuing
                        %x_105:f32 = convert %x_52
                        %82:vec4<f32> = construct %x_105, %x_105, %x_105, %x_105
                        store %x_GLF_color, %82
                        next_iteration %b25
                      }
                    }
                    %83:i32 = load %x_66
                    store %x_51_phi, %83
                    %84:i32 = load %x_63
                    store %x_49_phi, %84
                    store %x_46_phi, true
                    exit_loop  # loop_3
                  }
                }
                continue %b10
              }
              %b10 = block {  # continuing
                %85:i32 = add %x_67, 1i
                store %x_68, %85
                %86:i32 = load %x_63
                store %x_62_phi, %86
                %87:i32 = load %x_66
                store %x_65_phi, %87
                %88:i32 = load %x_68
                store %x_67_phi, %88
                next_iteration %b9
              }
            }
            %x_51:i32 = load %x_51_phi
            %90:i32 = load %x_49_phi
            store %x_49, %90
            %91:bool = load %x_46_phi
            store %x_46, %91
            %92:i32 = load %x_49
            store %x_111_phi, %92
            %93:bool = load %x_46
            store %x_112_phi, %93
            %94:bool = load %x_46
            if %94 [t: %b29] {  # if_11
              %b29 = block {  # true
                exit_loop  # loop_2
              }
            }
            %95:bool = eq %x_41, false
            if %95 [t: %b30] {  # if_12
              %b30 = block {  # true
                %96:i32 = load %x_49
                store %x_111_phi, %96
                %97:bool = load %x_46
                store %x_112_phi, %97
                exit_loop  # loop_2
              }
            }
            continue %b6
          }
          %b6 = block {  # continuing
            %98:i32 = add %x_52, 1i
            store %x_53, %98
            %99:bool = load %x_46
            store %x_45_phi, %99
            %100:i32 = load %x_49
            store %x_48_phi, %100
            store %x_50_phi, %x_51
            %101:i32 = load %x_53
            store %x_52_phi, %101
            next_iteration %b5
          }
        }
        %x_111:i32 = load %x_111_phi
        %x_112:bool = load %x_112_phi
        if %x_112 [t: %b31] {  # if_13
          %b31 = block {  # true
            exit_loop  # loop_1
          }
        }
        store %x_115_phi, %x_111
        store %x_118_phi, 0i
        store %x_120_phi, 0i
        loop [b: %b32, c: %b33] {  # loop_7
          %b32 = block {  # body
            %x_154:ptr<function, i32, read_write> = var
            %x_121:ptr<function, i32, read_write> = var
            %x_119_phi:ptr<function, i32, read_write> = var
            %107:i32 = load %x_115_phi
            store %x_115, %107
            %x_118:i32 = load %x_118_phi
            %x_120:i32 = load %x_120_phi
            %110:ptr<uniform, vec2<f32>, read> = access %x_6, 0u
            %x_123:f32 = load_vector_element %110, 1u
            %112:i32 = load %x_115
            store %x_161_phi, %112
            %113:f32 = add %x_123, 1.0f
            %114:i32 = convert %113
            %115:bool = lt %x_120, %114
            if %115 [t: %b34, f: %b35] {  # if_14
              %b34 = block {  # true
                exit_if  # if_14
              }
              %b35 = block {  # false
                exit_loop  # loop_7
              }
            }
            loop [b: %b36, c: %b37] {  # loop_8
              %b36 = block {  # body
                %x_135:ptr<function, bool, read_write> = var
                %x_143_phi:ptr<function, i32, read_write> = var
                %x_154_phi:ptr<function, i32, read_write> = var
                %x_155_phi:ptr<function, bool, read_write> = var
                %x_134:f32 = load_vector_element %gl_FragCoord, 0u
                %121:bool = lt %x_134, -1.0f
                store %x_135, %121
                %122:bool = lt %x_40, 0.0f
                %123:bool = eq %122, false
                if %123 [t: %b38] {  # if_15
                  %b38 = block {  # true
                    %124:bool = load %x_135
                    if %124 [t: %b39] {  # if_16
                      %b39 = block {  # true
                        store %x_119_phi, 0i
                        exit_loop  # loop_8
                      }
                    }
                    store %x_143_phi, 1i
                    loop [b: %b40, c: %b41] {  # loop_9
                      %b40 = block {  # body
                        %x_144:ptr<function, i32, read_write> = var
                        %x_143:i32 = load %x_143_phi
                        store %x_154_phi, %x_118
                        store %x_155_phi, false
                        %127:bool = lt %x_143, 3i
                        if %127 [t: %b42, f: %b43] {  # if_17
                          %b42 = block {  # true
                            exit_if  # if_17
                          }
                          %b43 = block {  # false
                            exit_loop  # loop_9
                          }
                        }
                        %128:bool = load %x_135
                        if %128 [t: %b44] {  # if_18
                          %b44 = block {  # true
                            continue %b41
                          }
                        }
                        %129:bool = gt %x_143, 0i
                        if %129 [t: %b45] {  # if_19
                          %b45 = block {  # true
                            store %x_154_phi, 1i
                            store %x_155_phi, true
                            exit_loop  # loop_9
                          }
                        }
                        continue %b41
                      }
                      %b41 = block {  # continuing
                        %130:i32 = add %x_143, 1i
                        store %x_144, %130
                        %131:i32 = load %x_144
                        store %x_143_phi, %131
                        next_iteration %b40
                      }
                    }
                    %132:i32 = load %x_154_phi
                    store %x_154, %132
                    %x_155:bool = load %x_155_phi
                    %134:i32 = load %x_154
                    store %x_119_phi, %134
                    if %x_155 [t: %b46] {  # if_20
                      %b46 = block {  # true
                        exit_loop  # loop_8
                      }
                    }
                    exit_if  # if_15
                  }
                }
                store %x_119_phi, 0i
                exit_loop  # loop_8
              }
              %b37 = block {  # continuing
                next_iteration %b36
              }
            }
            %x_119:ptr<function, i32, read_write> = var
            %136:i32 = load %x_119_phi
            store %x_119, %136
            %137:i32 = load %x_115
            %138:i32 = load %x_119
            %139:i32 = add %137, %138
            %140:i32 = bitcast %139
            store %x_116, %140
            %141:bool = eq %x_41, false
            %142:bool = select %x_41, false, %141
            if %142 [t: %b47] {  # if_21
              %b47 = block {  # true
                %143:i32 = load %x_116
                store %x_161_phi, %143
                exit_loop  # loop_7
              }
            }
            continue %b33
          }
          %b33 = block {  # continuing
            %144:i32 = add %x_120, 1i
            store %x_121, %144
            %145:i32 = load %x_116
            store %x_115_phi, %145
            %146:i32 = load %x_119
            store %x_118_phi, %146
            %147:i32 = load %x_121
            store %x_120_phi, %147
            next_iteration %b32
          }
        }
        %x_161:i32 = load %x_161_phi
        %149:bool = eq %x_161, 4i
        if %149 [t: %b48, f: %b49] {  # if_22
          %b48 = block {  # true
            store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
            exit_if  # if_22
          }
          %b49 = block {  # false
            store %x_GLF_color, vec4<f32>(0.0f)
            exit_if  # if_22
          }
        }
        exit_loop  # loop_1
      }
      %b4 = block {  # continuing
        next_iteration %b3
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out -> %b50 {
  %b50 = block {
    store %gl_FragCoord, %gl_FragCoord_param
    %152:void = call %main_1
    %153:vec4<f32> = load %x_GLF_color
    %154:main_out = construct %153
    ret %154
  }
}

unhandled variable address space
********************************************************************
*  The tint shader compiler has encountered an unexpected error.   *
*                                                                  *
*  Please help us fix this issue by submitting a bug report at     *
*  crbug.com/tint with the source program that triggered the bug.  *
********************************************************************