SKIP: FAILED

<dawn>/src/tint/lang/msl/writer/printer/printer.cc:355 internal compiler error: buf0 = struct @align(8) {
  resolution: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_7:ptr<uniform, buf0, read> = var @binding_point(0, 0)
  %map:ptr<private, array<i32, 256>, read_write> = var
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%main_1 = func():void -> %b2 {
  %b2 = block {
    %pos:ptr<function, vec2<f32>, read_write> = var
    %ipos:ptr<function, vec2<i32>, read_write> = var
    %i:ptr<function, i32, read_write> = var
    %p:ptr<function, vec2<i32>, read_write> = var
    %canwalk:ptr<function, bool, read_write> = var
    %v:ptr<function, i32, read_write> = var
    %directions:ptr<function, i32, read_write> = var
    %j:ptr<function, i32, read_write> = var
    %d:ptr<function, i32, read_write> = var
    %x_57:vec4<f32> = load %gl_FragCoord
    %16:ptr<uniform, vec2<f32>, read> = access %x_7, 0u
    %x_60:vec2<f32> = load %16
    %18:f32 = access %x_57, 0u
    %19:f32 = access %x_57, 1u
    %20:vec2<f32> = construct %18, %19
    %21:vec2<f32> = div %20, %x_60
    store %pos, %21
    %x_63:f32 = load_vector_element %pos, 0u
    %x_67:f32 = load_vector_element %pos, 1u
    %24:f32 = mul %x_63, 16.0f
    %25:i32 = convert %24
    %26:f32 = mul %x_67, 16.0f
    %27:i32 = convert %26
    %28:vec2<i32> = construct %25, %27
    store %ipos, %28
    store %i, 0i
    loop [b: %b3, c: %b4] {  # loop_1
      %b3 = block {  # body
        %x_75:i32 = load %i
        %30:bool = lt %x_75, 256i
        if %30 [t: %b5, f: %b6] {  # if_1
          %b5 = block {  # true
            exit_if  # if_1
          }
          %b6 = block {  # false
            exit_loop  # loop_1
          }
        }
        %x_78:i32 = load %i
        %32:ptr<private, i32, read_write> = access %map, %x_78
        store %32, 0i
        continue %b4
      }
      %b4 = block {  # continuing
        %x_80:i32 = load %i
        %34:i32 = add %x_80, 1i
        store %i, %34
        next_iteration %b3
      }
    }
    store %p, vec2<i32>(0i)
    store %canwalk, true
    store %v, 0i
    loop [b: %b7, c: %b8] {  # loop_2
      %b7 = block {  # body
        %x_102:ptr<function, bool, read_write> = var
        %x_122:ptr<function, bool, read_write> = var
        %x_142:ptr<function, bool, read_write> = var
        %x_162:ptr<function, bool, read_write> = var
        %x_103_phi:ptr<function, bool, read_write> = var
        %x_123_phi:ptr<function, bool, read_write> = var
        %x_143_phi:ptr<function, bool, read_write> = var
        %x_163_phi:ptr<function, bool, read_write> = var
        %x_86:i32 = load %v
        %44:i32 = add %x_86, 1i
        store %v, %44
        store %directions, 0i
        %x_89:i32 = load_vector_element %p, 0u
        %x_90:bool = gt %x_89, 0i
        store %x_103_phi, %x_90
        if %x_90 [t: %b9] {  # if_2
          %b9 = block {  # true
            %x_94:i32 = load_vector_element %p, 0u
            %x_97:i32 = load_vector_element %p, 1u
            %49:i32 = sub %x_94, 2i
            %50:i32 = mul %x_97, 16i
            %51:i32 = add %49, %50
            %52:ptr<private, i32, read_write> = access %map, %51
            %x_101:i32 = load %52
            %54:bool = eq %x_101, 0i
            store %x_102, %54
            %55:bool = load %x_102
            store %x_103_phi, %55
            exit_if  # if_2
          }
        }
        %x_103:bool = load %x_103_phi
        if %x_103 [t: %b10] {  # if_3
          %b10 = block {  # true
            %x_106:i32 = load %directions
            %58:i32 = add %x_106, 1i
            store %directions, %58
            exit_if  # if_3
          }
        }
        %x_109:i32 = load_vector_element %p, 1u
        %x_110:bool = gt %x_109, 0i
        store %x_123_phi, %x_110
        if %x_110 [t: %b11] {  # if_4
          %b11 = block {  # true
            %x_114:i32 = load_vector_element %p, 0u
            %x_116:i32 = load_vector_element %p, 1u
            %63:i32 = sub %x_116, 2i
            %64:i32 = mul %63, 16i
            %65:i32 = add %x_114, %64
            %66:ptr<private, i32, read_write> = access %map, %65
            %x_121:i32 = load %66
            %68:bool = eq %x_121, 0i
            store %x_122, %68
            %69:bool = load %x_122
            store %x_123_phi, %69
            exit_if  # if_4
          }
        }
        %x_123:bool = load %x_123_phi
        if %x_123 [t: %b12] {  # if_5
          %b12 = block {  # true
            %x_126:i32 = load %directions
            %72:i32 = add %x_126, 1i
            store %directions, %72
            exit_if  # if_5
          }
        }
        %x_129:i32 = load_vector_element %p, 0u
        %x_130:bool = lt %x_129, 14i
        store %x_143_phi, %x_130
        if %x_130 [t: %b13] {  # if_6
          %b13 = block {  # true
            %x_134:i32 = load_vector_element %p, 0u
            %x_137:i32 = load_vector_element %p, 1u
            %77:i32 = add %x_134, 2i
            %78:i32 = mul %x_137, 16i
            %79:i32 = add %77, %78
            %80:ptr<private, i32, read_write> = access %map, %79
            %x_141:i32 = load %80
            %82:bool = eq %x_141, 0i
            store %x_142, %82
            %83:bool = load %x_142
            store %x_143_phi, %83
            exit_if  # if_6
          }
        }
        %x_143:bool = load %x_143_phi
        if %x_143 [t: %b14] {  # if_7
          %b14 = block {  # true
            %x_146:i32 = load %directions
            %86:i32 = add %x_146, 1i
            store %directions, %86
            exit_if  # if_7
          }
        }
        %x_149:i32 = load_vector_element %p, 1u
        %x_150:bool = lt %x_149, 14i
        store %x_163_phi, %x_150
        if %x_150 [t: %b15] {  # if_8
          %b15 = block {  # true
            %x_154:i32 = load_vector_element %p, 0u
            %x_156:i32 = load_vector_element %p, 1u
            %91:i32 = add %x_156, 2i
            %92:i32 = mul %91, 16i
            %93:i32 = add %x_154, %92
            %94:ptr<private, i32, read_write> = access %map, %93
            %x_161:i32 = load %94
            %96:bool = eq %x_161, 0i
            store %x_162, %96
            %97:bool = load %x_162
            store %x_163_phi, %97
            exit_if  # if_8
          }
        }
        %x_163:bool = load %x_163_phi
        if %x_163 [t: %b16] {  # if_9
          %b16 = block {  # true
            %x_166:i32 = load %directions
            %100:i32 = add %x_166, 1i
            store %directions, %100
            exit_if  # if_9
          }
        }
        %x_227:ptr<function, bool, read_write> = var
        %x_240:ptr<function, bool, read_write> = var
        %x_279:ptr<function, bool, read_write> = var
        %x_292:ptr<function, bool, read_write> = var
        %x_331:ptr<function, bool, read_write> = var
        %x_344:ptr<function, bool, read_write> = var
        %x_383:ptr<function, bool, read_write> = var
        %x_396:ptr<function, bool, read_write> = var
        %x_228_phi:ptr<function, bool, read_write> = var
        %x_241_phi:ptr<function, bool, read_write> = var
        %x_280_phi:ptr<function, bool, read_write> = var
        %x_293_phi:ptr<function, bool, read_write> = var
        %x_332_phi:ptr<function, bool, read_write> = var
        %x_345_phi:ptr<function, bool, read_write> = var
        %x_384_phi:ptr<function, bool, read_write> = var
        %x_397_phi:ptr<function, bool, read_write> = var
        %x_168:i32 = load %directions
        %118:bool = eq %x_168, 0i
        if %118 [t: %b17, f: %b18] {  # if_10
          %b17 = block {  # true
            store %canwalk, false
            store %i, 0i
            loop [b: %b19, c: %b20] {  # loop_3
              %b19 = block {  # body
                %x_177:i32 = load %i
                %120:bool = lt %x_177, 8i
                if %120 [t: %b21, f: %b22] {  # if_11
                  %b21 = block {  # true
                    exit_if  # if_11
                  }
                  %b22 = block {  # false
                    exit_loop  # loop_3
                  }
                }
                store %j, 0i
                loop [b: %b23, c: %b24] {  # loop_4
                  %b23 = block {  # body
                    %x_184:i32 = load %j
                    %122:bool = lt %x_184, 8i
                    if %122 [t: %b25, f: %b26] {  # if_12
                      %b25 = block {  # true
                        exit_if  # if_12
                      }
                      %b26 = block {  # false
                        exit_loop  # loop_4
                      }
                    }
                    %x_187:i32 = load %j
                    %x_189:i32 = load %i
                    %125:i32 = mul %x_187, 2i
                    %126:i32 = mul %x_189, 2i
                    %127:i32 = mul %126, 16i
                    %128:i32 = add %125, %127
                    %129:ptr<private, i32, read_write> = access %map, %128
                    %x_194:i32 = load %129
                    %131:bool = eq %x_194, 0i
                    if %131 [t: %b27] {  # if_13
                      %b27 = block {  # true
                        %x_198:i32 = load %j
                        %133:i32 = mul %x_198, 2i
                        store_vector_element %p, 0u, %133
                        %x_201:i32 = load %i
                        %135:i32 = mul %x_201, 2i
                        store_vector_element %p, 1u, %135
                        store %canwalk, true
                        exit_if  # if_13
                      }
                    }
                    continue %b24
                  }
                  %b24 = block {  # continuing
                    %x_204:i32 = load %j
                    %137:i32 = add %x_204, 1i
                    store %j, %137
                    next_iteration %b23
                  }
                }
                continue %b20
              }
              %b20 = block {  # continuing
                %x_206:i32 = load %i
                %139:i32 = add %x_206, 1i
                store %i, %139
                next_iteration %b19
              }
            }
            %x_209:i32 = load_vector_element %p, 0u
            %x_211:i32 = load_vector_element %p, 1u
            %142:i32 = mul %x_211, 16i
            %143:i32 = add %x_209, %142
            %144:ptr<private, i32, read_write> = access %map, %143
            store %144, 1i
            exit_if  # if_10
          }
          %b18 = block {  # false
            %x_215:i32 = load %v
            %x_216:i32 = load %directions
            %147:i32 = mod %x_215, %x_216
            store %d, %147
            %x_218:i32 = load %directions
            %x_219:i32 = load %v
            %150:i32 = add %x_219, %x_218
            store %v, %150
            %x_221:i32 = load %d
            %x_222:bool = gte %x_221, 0i
            store %x_228_phi, %x_222
            if %x_222 [t: %b28] {  # if_14
              %b28 = block {  # true
                %x_226:i32 = load_vector_element %p, 0u
                %154:bool = gt %x_226, 0i
                store %x_227, %154
                %155:bool = load %x_227
                store %x_228_phi, %155
                exit_if  # if_14
              }
            }
            %x_228:bool = load %x_228_phi
            store %x_241_phi, %x_228
            if %x_228 [t: %b29] {  # if_15
              %b29 = block {  # true
                %x_232:i32 = load_vector_element %p, 0u
                %x_235:i32 = load_vector_element %p, 1u
                %159:i32 = sub %x_232, 2i
                %160:i32 = mul %x_235, 16i
                %161:i32 = add %159, %160
                %162:ptr<private, i32, read_write> = access %map, %161
                %x_239:i32 = load %162
                %164:bool = eq %x_239, 0i
                store %x_240, %164
                %165:bool = load %x_240
                store %x_241_phi, %165
                exit_if  # if_15
              }
            }
            %x_241:bool = load %x_241_phi
            if %x_241 [t: %b30] {  # if_16
              %b30 = block {  # true
                %x_244:i32 = load %d
                %168:i32 = sub %x_244, 1i
                store %d, %168
                %x_247:i32 = load_vector_element %p, 0u
                %x_249:i32 = load_vector_element %p, 1u
                %171:i32 = mul %x_249, 16i
                %172:i32 = add %x_247, %171
                %173:ptr<private, i32, read_write> = access %map, %172
                store %173, 1i
                %x_254:i32 = load_vector_element %p, 0u
                %x_257:i32 = load_vector_element %p, 1u
                %176:i32 = sub %x_254, 1i
                %177:i32 = mul %x_257, 16i
                %178:i32 = add %176, %177
                %179:ptr<private, i32, read_write> = access %map, %178
                store %179, 1i
                %x_262:i32 = load_vector_element %p, 0u
                %x_265:i32 = load_vector_element %p, 1u
                %182:i32 = sub %x_262, 2i
                %183:i32 = mul %x_265, 16i
                %184:i32 = add %182, %183
                %185:ptr<private, i32, read_write> = access %map, %184
                store %185, 1i
                %x_270:i32 = load_vector_element %p, 0u
                %187:i32 = sub %x_270, 2i
                store_vector_element %p, 0u, %187
                exit_if  # if_16
              }
            }
            %x_273:i32 = load %d
            %x_274:bool = gte %x_273, 0i
            store %x_280_phi, %x_274
            if %x_274 [t: %b31] {  # if_17
              %b31 = block {  # true
                %x_278:i32 = load_vector_element %p, 1u
                %191:bool = gt %x_278, 0i
                store %x_279, %191
                %192:bool = load %x_279
                store %x_280_phi, %192
                exit_if  # if_17
              }
            }
            %x_280:bool = load %x_280_phi
            store %x_293_phi, %x_280
            if %x_280 [t: %b32] {  # if_18
              %b32 = block {  # true
                %x_284:i32 = load_vector_element %p, 0u
                %x_286:i32 = load_vector_element %p, 1u
                %196:i32 = sub %x_286, 2i
                %197:i32 = mul %196, 16i
                %198:i32 = add %x_284, %197
                %199:ptr<private, i32, read_write> = access %map, %198
                %x_291:i32 = load %199
                %201:bool = eq %x_291, 0i
                store %x_292, %201
                %202:bool = load %x_292
                store %x_293_phi, %202
                exit_if  # if_18
              }
            }
            %x_293:bool = load %x_293_phi
            if %x_293 [t: %b33] {  # if_19
              %b33 = block {  # true
                %x_296:i32 = load %d
                %205:i32 = sub %x_296, 1i
                store %d, %205
                %x_299:i32 = load_vector_element %p, 0u
                %x_301:i32 = load_vector_element %p, 1u
                %208:i32 = mul %x_301, 16i
                %209:i32 = add %x_299, %208
                %210:ptr<private, i32, read_write> = access %map, %209
                store %210, 1i
                %x_306:i32 = load_vector_element %p, 0u
                %x_308:i32 = load_vector_element %p, 1u
                %213:i32 = sub %x_308, 1i
                %214:i32 = mul %213, 16i
                %215:i32 = add %x_306, %214
                %216:ptr<private, i32, read_write> = access %map, %215
                store %216, 1i
                %x_314:i32 = load_vector_element %p, 0u
                %x_316:i32 = load_vector_element %p, 1u
                %219:i32 = sub %x_316, 2i
                %220:i32 = mul %219, 16i
                %221:i32 = add %x_314, %220
                %222:ptr<private, i32, read_write> = access %map, %221
                store %222, 1i
                %x_322:i32 = load_vector_element %p, 1u
                %224:i32 = sub %x_322, 2i
                store_vector_element %p, 1u, %224
                exit_if  # if_19
              }
            }
            %x_325:i32 = load %d
            %x_326:bool = gte %x_325, 0i
            store %x_332_phi, %x_326
            if %x_326 [t: %b34] {  # if_20
              %b34 = block {  # true
                %x_330:i32 = load_vector_element %p, 0u
                %228:bool = lt %x_330, 14i
                store %x_331, %228
                %229:bool = load %x_331
                store %x_332_phi, %229
                exit_if  # if_20
              }
            }
            %x_332:bool = load %x_332_phi
            store %x_345_phi, %x_332
            if %x_332 [t: %b35] {  # if_21
              %b35 = block {  # true
                %x_336:i32 = load_vector_element %p, 0u
                %x_339:i32 = load_vector_element %p, 1u
                %233:i32 = add %x_336, 2i
                %234:i32 = mul %x_339, 16i
                %235:i32 = add %233, %234
                %236:ptr<private, i32, read_write> = access %map, %235
                %x_343:i32 = load %236
                %238:bool = eq %x_343, 0i
                store %x_344, %238
                %239:bool = load %x_344
                store %x_345_phi, %239
                exit_if  # if_21
              }
            }
            %x_345:bool = load %x_345_phi
            if %x_345 [t: %b36] {  # if_22
              %b36 = block {  # true
                %x_348:i32 = load %d
                %242:i32 = sub %x_348, 1i
                store %d, %242
                %x_351:i32 = load_vector_element %p, 0u
                %x_353:i32 = load_vector_element %p, 1u
                %245:i32 = mul %x_353, 16i
                %246:i32 = add %x_351, %245
                %247:ptr<private, i32, read_write> = access %map, %246
                store %247, 1i
                %x_358:i32 = load_vector_element %p, 0u
                %x_361:i32 = load_vector_element %p, 1u
                %250:i32 = add %x_358, 1i
                %251:i32 = mul %x_361, 16i
                %252:i32 = add %250, %251
                %253:ptr<private, i32, read_write> = access %map, %252
                store %253, 1i
                %x_366:i32 = load_vector_element %p, 0u
                %x_369:i32 = load_vector_element %p, 1u
                %256:i32 = add %x_366, 2i
                %257:i32 = mul %x_369, 16i
                %258:i32 = add %256, %257
                %259:ptr<private, i32, read_write> = access %map, %258
                store %259, 1i
                %x_374:i32 = load_vector_element %p, 0u
                %261:i32 = add %x_374, 2i
                store_vector_element %p, 0u, %261
                exit_if  # if_22
              }
            }
            %x_377:i32 = load %d
            %x_378:bool = gte %x_377, 0i
            store %x_384_phi, %x_378
            if %x_378 [t: %b37] {  # if_23
              %b37 = block {  # true
                %x_382:i32 = load_vector_element %p, 1u
                %265:bool = lt %x_382, 14i
                store %x_383, %265
                %266:bool = load %x_383
                store %x_384_phi, %266
                exit_if  # if_23
              }
            }
            %x_384:bool = load %x_384_phi
            store %x_397_phi, %x_384
            if %x_384 [t: %b38] {  # if_24
              %b38 = block {  # true
                %x_388:i32 = load_vector_element %p, 0u
                %x_390:i32 = load_vector_element %p, 1u
                %270:i32 = add %x_390, 2i
                %271:i32 = mul %270, 16i
                %272:i32 = add %x_388, %271
                %273:ptr<private, i32, read_write> = access %map, %272
                %x_395:i32 = load %273
                %275:bool = eq %x_395, 0i
                store %x_396, %275
                %276:bool = load %x_396
                store %x_397_phi, %276
                exit_if  # if_24
              }
            }
            %x_397:bool = load %x_397_phi
            if %x_397 [t: %b39] {  # if_25
              %b39 = block {  # true
                %x_400:i32 = load %d
                %279:i32 = sub %x_400, 1i
                store %d, %279
                %x_403:i32 = load_vector_element %p, 0u
                %x_405:i32 = load_vector_element %p, 1u
                %282:i32 = mul %x_405, 16i
                %283:i32 = add %x_403, %282
                %284:ptr<private, i32, read_write> = access %map, %283
                store %284, 1i
                %x_410:i32 = load_vector_element %p, 0u
                %x_412:i32 = load_vector_element %p, 1u
                %287:i32 = add %x_412, 1i
                %288:i32 = mul %287, 16i
                %289:i32 = add %x_410, %288
                %290:ptr<private, i32, read_write> = access %map, %289
                store %290, 1i
                %x_418:i32 = load_vector_element %p, 0u
                %x_420:i32 = load_vector_element %p, 1u
                %293:i32 = add %x_420, 2i
                %294:i32 = mul %293, 16i
                %295:i32 = add %x_418, %294
                %296:ptr<private, i32, read_write> = access %map, %295
                store %296, 1i
                %x_426:i32 = load_vector_element %p, 1u
                %298:i32 = add %x_426, 2i
                store_vector_element %p, 1u, %298
                exit_if  # if_25
              }
            }
            exit_if  # if_10
          }
        }
        %x_430:i32 = load_vector_element %ipos, 1u
        %x_433:i32 = load_vector_element %ipos, 0u
        %301:i32 = mul %x_430, 16i
        %302:i32 = add %301, %x_433
        %303:ptr<private, i32, read_write> = access %map, %302
        %x_436:i32 = load %303
        %305:bool = eq %x_436, 1i
        if %305 [t: %b40] {  # if_26
          %b40 = block {  # true
            store %x_GLF_color, vec4<f32>(1.0f)
            ret
          }
        }
        continue %b8
      }
      %b8 = block {  # continuing
        %x_440:bool = load %canwalk
        %307:bool = eq %x_440, false
        break_if %307 %b7
      }
    }
    store %x_GLF_color, vec4<f32>(0.0f, 0.0f, 0.0f, 1.0f)
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out -> %b41 {
  %b41 = block {
    store %gl_FragCoord, %gl_FragCoord_param
    %310:void = call %main_1
    %311:vec4<f32> = load %x_GLF_color
    %312:main_out = construct %311
    ret %312
  }
}

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.  *
********************************************************************