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
  %x_60:ptr<private, mat2x4<f32>, read_write> = var, mat2x4<f32>(vec4<f32>(0.0f))
}

%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_63:vec4<f32> = load %gl_FragCoord
    %17:ptr<uniform, vec2<f32>, read> = access %x_7, 0u
    %x_67:vec2<f32> = load %17
    %x_68:i32 = let -242i
    %20:f32 = access %x_63, 0u
    %21:f32 = access %x_63, 1u
    %22:vec2<f32> = construct %20, %21
    %23:vec2<f32> = div %22, %x_67
    store %pos, %23
    %x_71:f32 = load_vector_element %pos, 0u
    %x_75:f32 = load_vector_element %pos, 1u
    %26:f32 = mul %x_71, 16.0f
    %27:i32 = convert %26
    %28:f32 = mul %x_75, 16.0f
    %29:i32 = convert %28
    %30:vec2<i32> = construct %27, %29
    store %ipos, %30
    store %i, 0i
    loop [b: %b3, c: %b4] {  # loop_1
      %b3 = block {  # body
        %x_83:i32 = load %i
        %32:bool = lt %x_83, 256i
        if %32 [t: %b5, f: %b6] {  # if_1
          %b5 = block {  # true
            exit_if  # if_1
          }
          %b6 = block {  # false
            exit_loop  # loop_1
          }
        }
        %x_86:i32 = load %i
        %34:ptr<private, i32, read_write> = access %map, %x_86
        store %34, 0i
        continue %b4
      }
      %b4 = block {  # continuing
        %x_88:i32 = load %i
        %36:i32 = add %x_88, 1i
        store %i, %36
        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_110:ptr<function, bool, read_write> = var
        %x_130:ptr<function, bool, read_write> = var
        %x_150:ptr<function, bool, read_write> = var
        %x_171:ptr<function, bool, read_write> = var
        %x_111_phi:ptr<function, bool, read_write> = var
        %x_131_phi:ptr<function, bool, read_write> = var
        %x_151_phi:ptr<function, bool, read_write> = var
        %x_172_phi:ptr<function, bool, read_write> = var
        %x_94:i32 = load %v
        %46:i32 = add %x_94, 1i
        store %v, %46
        store %directions, 0i
        %x_97:i32 = load_vector_element %p, 0u
        %x_98:bool = gt %x_97, 0i
        store %x_111_phi, %x_98
        if %x_98 [t: %b9] {  # if_2
          %b9 = block {  # true
            %x_102:i32 = load_vector_element %p, 0u
            %x_105:i32 = load_vector_element %p, 1u
            %51:i32 = sub %x_102, 2i
            %52:i32 = mul %x_105, 16i
            %53:i32 = add %51, %52
            %54:ptr<private, i32, read_write> = access %map, %53
            %x_109:i32 = load %54
            %56:bool = eq %x_109, 0i
            store %x_110, %56
            %57:bool = load %x_110
            store %x_111_phi, %57
            exit_if  # if_2
          }
        }
        %x_111:bool = load %x_111_phi
        if %x_111 [t: %b10] {  # if_3
          %b10 = block {  # true
            %x_114:i32 = load %directions
            %60:i32 = add %x_114, 1i
            store %directions, %60
            exit_if  # if_3
          }
        }
        %x_117:i32 = load_vector_element %p, 1u
        %x_118:bool = gt %x_117, 0i
        store %x_131_phi, %x_118
        if %x_118 [t: %b11] {  # if_4
          %b11 = block {  # true
            %x_122:i32 = load_vector_element %p, 0u
            %x_124:i32 = load_vector_element %p, 1u
            %65:i32 = sub %x_124, 2i
            %66:i32 = mul %65, 16i
            %67:i32 = add %x_122, %66
            %68:ptr<private, i32, read_write> = access %map, %67
            %x_129:i32 = load %68
            %70:bool = eq %x_129, 0i
            store %x_130, %70
            %71:bool = load %x_130
            store %x_131_phi, %71
            exit_if  # if_4
          }
        }
        %x_131:bool = load %x_131_phi
        if %x_131 [t: %b12] {  # if_5
          %b12 = block {  # true
            %x_134:i32 = load %directions
            %74:i32 = add %x_134, 1i
            store %directions, %74
            exit_if  # if_5
          }
        }
        %x_137:i32 = load_vector_element %p, 0u
        %x_138:bool = lt %x_137, 14i
        store %x_151_phi, %x_138
        if %x_138 [t: %b13] {  # if_6
          %b13 = block {  # true
            %x_142:i32 = load_vector_element %p, 0u
            %x_145:i32 = load_vector_element %p, 1u
            %79:i32 = add %x_142, 2i
            %80:i32 = mul %x_145, 16i
            %81:i32 = add %79, %80
            %82:ptr<private, i32, read_write> = access %map, %81
            %x_149:i32 = load %82
            %84:bool = eq %x_149, 0i
            store %x_150, %84
            %85:bool = load %x_150
            store %x_151_phi, %85
            exit_if  # if_6
          }
        }
        %x_151:bool = load %x_151_phi
        if %x_151 [t: %b14] {  # if_7
          %b14 = block {  # true
            %x_154:i32 = load %directions
            %88:i32 = add %x_154, 1i
            store %directions, %88
            exit_if  # if_7
          }
        }
        %x_156:i32 = sub 256i, %x_68
        %x_158:i32 = load_vector_element %p, 1u
        %x_159:bool = lt %x_158, 14i
        store %x_172_phi, %x_159
        if %x_159 [t: %b15] {  # if_8
          %b15 = block {  # true
            %x_163:i32 = load_vector_element %p, 0u
            %x_165:i32 = load_vector_element %p, 1u
            %94:i32 = add %x_165, 2i
            %95:i32 = mul %94, 16i
            %96:i32 = add %x_163, %95
            %97:ptr<private, i32, read_write> = access %map, %96
            %x_170:i32 = load %97
            %99:bool = eq %x_170, 0i
            store %x_171, %99
            %100:bool = load %x_171
            store %x_172_phi, %100
            exit_if  # if_8
          }
        }
        %x_172:bool = load %x_172_phi
        if %x_172 [t: %b16] {  # if_9
          %b16 = block {  # true
            %x_175:i32 = load %directions
            %103:i32 = add %x_175, 1i
            store %directions, %103
            exit_if  # if_9
          }
        }
        %x_237:ptr<function, bool, read_write> = var
        %x_250:ptr<function, bool, read_write> = var
        %x_289:ptr<function, bool, read_write> = var
        %x_302:ptr<function, bool, read_write> = var
        %x_341:ptr<function, bool, read_write> = var
        %x_354:ptr<function, bool, read_write> = var
        %x_393:ptr<function, bool, read_write> = var
        %x_406:ptr<function, bool, read_write> = var
        %x_238_phi:ptr<function, bool, read_write> = var
        %x_251_phi:ptr<function, bool, read_write> = var
        %x_290_phi:ptr<function, bool, read_write> = var
        %x_303_phi:ptr<function, bool, read_write> = var
        %x_342_phi:ptr<function, bool, read_write> = var
        %x_355_phi:ptr<function, bool, read_write> = var
        %x_394_phi:ptr<function, bool, read_write> = var
        %x_407_phi:ptr<function, bool, read_write> = var
        %x_177:i32 = load %directions
        %121:bool = eq %x_177, 0i
        if %121 [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_186:i32 = load %i
                %123:bool = lt %x_186, 8i
                if %123 [t: %b21, f: %b22] {  # if_11
                  %b21 = block {  # true
                    exit_if  # if_11
                  }
                  %b22 = block {  # false
                    exit_loop  # loop_3
                  }
                }
                store %j, 0i
                %x_189:i32 = sub %x_156, %x_186
                store %x_60, mat2x4<f32>(vec4<f32>(0.0f))
                if false [t: %b23] {  # if_12
                  %b23 = block {  # true
                    continue %b20
                  }
                }
                loop [b: %b24, c: %b25] {  # loop_4
                  %b24 = block {  # body
                    %x_194:i32 = load %j
                    %126:bool = lt %x_194, 8i
                    if %126 [t: %b26, f: %b27] {  # if_13
                      %b26 = block {  # true
                        exit_if  # if_13
                      }
                      %b27 = block {  # false
                        exit_loop  # loop_4
                      }
                    }
                    %x_197:i32 = load %j
                    %x_199:i32 = load %i
                    %129:i32 = mul %x_197, 2i
                    %130:i32 = mul %x_199, 2i
                    %131:i32 = mul %130, 16i
                    %132:i32 = add %129, %131
                    %133:ptr<private, i32, read_write> = access %map, %132
                    %x_204:i32 = load %133
                    %135:bool = eq %x_204, 0i
                    if %135 [t: %b28] {  # if_14
                      %b28 = block {  # true
                        %x_208:i32 = load %j
                        %137:i32 = mul %x_208, 2i
                        store_vector_element %p, 0u, %137
                        %x_211:i32 = load %i
                        %139:i32 = mul %x_211, 2i
                        store_vector_element %p, 1u, %139
                        store %canwalk, true
                        exit_if  # if_14
                      }
                    }
                    continue %b25
                  }
                  %b25 = block {  # continuing
                    %x_214:i32 = load %j
                    %141:i32 = add %x_214, 1i
                    store %j, %141
                    next_iteration %b24
                  }
                }
                continue %b20
              }
              %b20 = block {  # continuing
                %x_216:i32 = load %i
                %143:i32 = add %x_216, 1i
                store %i, %143
                next_iteration %b19
              }
            }
            %x_219:i32 = load_vector_element %p, 0u
            %x_221:i32 = load_vector_element %p, 1u
            %146:i32 = mul %x_221, 16i
            %147:i32 = add %x_219, %146
            %148:ptr<private, i32, read_write> = access %map, %147
            store %148, 1i
            exit_if  # if_10
          }
          %b18 = block {  # false
            %x_225:i32 = load %v
            %x_226:i32 = load %directions
            %151:i32 = mod %x_225, %x_226
            store %d, %151
            %x_228:i32 = load %directions
            %x_229:i32 = load %v
            %154:i32 = add %x_229, %x_228
            store %v, %154
            %x_231:i32 = load %d
            %x_232:bool = gte %x_231, 0i
            store %x_238_phi, %x_232
            if %x_232 [t: %b29] {  # if_15
              %b29 = block {  # true
                %x_236:i32 = load_vector_element %p, 0u
                %158:bool = gt %x_236, 0i
                store %x_237, %158
                %159:bool = load %x_237
                store %x_238_phi, %159
                exit_if  # if_15
              }
            }
            %x_238:bool = load %x_238_phi
            store %x_251_phi, %x_238
            if %x_238 [t: %b30] {  # if_16
              %b30 = block {  # true
                %x_242:i32 = load_vector_element %p, 0u
                %x_245:i32 = load_vector_element %p, 1u
                %163:i32 = sub %x_242, 2i
                %164:i32 = mul %x_245, 16i
                %165:i32 = add %163, %164
                %166:ptr<private, i32, read_write> = access %map, %165
                %x_249:i32 = load %166
                %168:bool = eq %x_249, 0i
                store %x_250, %168
                %169:bool = load %x_250
                store %x_251_phi, %169
                exit_if  # if_16
              }
            }
            %x_251:bool = load %x_251_phi
            if %x_251 [t: %b31] {  # if_17
              %b31 = block {  # true
                %x_254:i32 = load %d
                %172:i32 = sub %x_254, 1i
                store %d, %172
                %x_257:i32 = load_vector_element %p, 0u
                %x_259:i32 = load_vector_element %p, 1u
                %175:i32 = mul %x_259, 16i
                %176:i32 = add %x_257, %175
                %177:ptr<private, i32, read_write> = access %map, %176
                store %177, 1i
                %x_264:i32 = load_vector_element %p, 0u
                %x_267:i32 = load_vector_element %p, 1u
                %180:i32 = sub %x_264, 1i
                %181:i32 = mul %x_267, 16i
                %182:i32 = add %180, %181
                %183:ptr<private, i32, read_write> = access %map, %182
                store %183, 1i
                %x_272:i32 = load_vector_element %p, 0u
                %x_275:i32 = load_vector_element %p, 1u
                %186:i32 = sub %x_272, 2i
                %187:i32 = mul %x_275, 16i
                %188:i32 = add %186, %187
                %189:ptr<private, i32, read_write> = access %map, %188
                store %189, 1i
                %x_280:i32 = load_vector_element %p, 0u
                %191:i32 = sub %x_280, 2i
                store_vector_element %p, 0u, %191
                exit_if  # if_17
              }
            }
            %x_283:i32 = load %d
            %x_284:bool = gte %x_283, 0i
            store %x_290_phi, %x_284
            if %x_284 [t: %b32] {  # if_18
              %b32 = block {  # true
                %x_288:i32 = load_vector_element %p, 1u
                %195:bool = gt %x_288, 0i
                store %x_289, %195
                %196:bool = load %x_289
                store %x_290_phi, %196
                exit_if  # if_18
              }
            }
            %x_290:bool = load %x_290_phi
            store %x_303_phi, %x_290
            if %x_290 [t: %b33] {  # if_19
              %b33 = block {  # true
                %x_294:i32 = load_vector_element %p, 0u
                %x_296:i32 = load_vector_element %p, 1u
                %200:i32 = sub %x_296, 2i
                %201:i32 = mul %200, 16i
                %202:i32 = add %x_294, %201
                %203:ptr<private, i32, read_write> = access %map, %202
                %x_301:i32 = load %203
                %205:bool = eq %x_301, 0i
                store %x_302, %205
                %206:bool = load %x_302
                store %x_303_phi, %206
                exit_if  # if_19
              }
            }
            %x_303:bool = load %x_303_phi
            if %x_303 [t: %b34] {  # if_20
              %b34 = block {  # true
                %x_306:i32 = load %d
                %209:i32 = sub %x_306, 1i
                store %d, %209
                %x_309:i32 = load_vector_element %p, 0u
                %x_311:i32 = load_vector_element %p, 1u
                %212:i32 = mul %x_311, 16i
                %213:i32 = add %x_309, %212
                %214:ptr<private, i32, read_write> = access %map, %213
                store %214, 1i
                %x_316:i32 = load_vector_element %p, 0u
                %x_318:i32 = load_vector_element %p, 1u
                %217:i32 = sub %x_318, 1i
                %218:i32 = mul %217, 16i
                %219:i32 = add %x_316, %218
                %220:ptr<private, i32, read_write> = access %map, %219
                store %220, 1i
                %x_324:i32 = load_vector_element %p, 0u
                %x_326:i32 = load_vector_element %p, 1u
                %223:i32 = sub %x_326, 2i
                %224:i32 = mul %223, 16i
                %225:i32 = add %x_324, %224
                %226:ptr<private, i32, read_write> = access %map, %225
                store %226, 1i
                %x_332:i32 = load_vector_element %p, 1u
                %228:i32 = sub %x_332, 2i
                store_vector_element %p, 1u, %228
                exit_if  # if_20
              }
            }
            %x_335:i32 = load %d
            %x_336:bool = gte %x_335, 0i
            store %x_342_phi, %x_336
            if %x_336 [t: %b35] {  # if_21
              %b35 = block {  # true
                %x_340:i32 = load_vector_element %p, 0u
                %232:bool = lt %x_340, 14i
                store %x_341, %232
                %233:bool = load %x_341
                store %x_342_phi, %233
                exit_if  # if_21
              }
            }
            %x_342:bool = load %x_342_phi
            store %x_355_phi, %x_342
            if %x_342 [t: %b36] {  # if_22
              %b36 = block {  # true
                %x_346:i32 = load_vector_element %p, 0u
                %x_349:i32 = load_vector_element %p, 1u
                %237:i32 = add %x_346, 2i
                %238:i32 = mul %x_349, 16i
                %239:i32 = add %237, %238
                %240:ptr<private, i32, read_write> = access %map, %239
                %x_353:i32 = load %240
                %242:bool = eq %x_353, 0i
                store %x_354, %242
                %243:bool = load %x_354
                store %x_355_phi, %243
                exit_if  # if_22
              }
            }
            %x_355:bool = load %x_355_phi
            if %x_355 [t: %b37] {  # if_23
              %b37 = block {  # true
                %x_358:i32 = load %d
                %246:i32 = sub %x_358, 1i
                store %d, %246
                %x_361:i32 = load_vector_element %p, 0u
                %x_363:i32 = load_vector_element %p, 1u
                %249:i32 = mul %x_363, 16i
                %250:i32 = add %x_361, %249
                %251:ptr<private, i32, read_write> = access %map, %250
                store %251, 1i
                %x_368:i32 = load_vector_element %p, 0u
                %x_371:i32 = load_vector_element %p, 1u
                %254:i32 = add %x_368, 1i
                %255:i32 = mul %x_371, 16i
                %256:i32 = add %254, %255
                %257:ptr<private, i32, read_write> = access %map, %256
                store %257, 1i
                %x_376:i32 = load_vector_element %p, 0u
                %x_379:i32 = load_vector_element %p, 1u
                %260:i32 = add %x_376, 2i
                %261:i32 = mul %x_379, 16i
                %262:i32 = add %260, %261
                %263:ptr<private, i32, read_write> = access %map, %262
                store %263, 1i
                %x_384:i32 = load_vector_element %p, 0u
                %265:i32 = add %x_384, 2i
                store_vector_element %p, 0u, %265
                exit_if  # if_23
              }
            }
            %x_387:i32 = load %d
            %x_388:bool = gte %x_387, 0i
            store %x_394_phi, %x_388
            if %x_388 [t: %b38] {  # if_24
              %b38 = block {  # true
                %x_392:i32 = load_vector_element %p, 1u
                %269:bool = lt %x_392, 14i
                store %x_393, %269
                %270:bool = load %x_393
                store %x_394_phi, %270
                exit_if  # if_24
              }
            }
            %x_394:bool = load %x_394_phi
            store %x_407_phi, %x_394
            if %x_394 [t: %b39] {  # if_25
              %b39 = block {  # true
                %x_398:i32 = load_vector_element %p, 0u
                %x_400:i32 = load_vector_element %p, 1u
                %274:i32 = add %x_400, 2i
                %275:i32 = mul %274, 16i
                %276:i32 = add %x_398, %275
                %277:ptr<private, i32, read_write> = access %map, %276
                %x_405:i32 = load %277
                %279:bool = eq %x_405, 0i
                store %x_406, %279
                %280:bool = load %x_406
                store %x_407_phi, %280
                exit_if  # if_25
              }
            }
            %x_407:bool = load %x_407_phi
            if %x_407 [t: %b40] {  # if_26
              %b40 = block {  # true
                %x_410:i32 = load %d
                %283:i32 = sub %x_410, 1i
                store %d, %283
                %x_413:i32 = load_vector_element %p, 0u
                %x_415:i32 = load_vector_element %p, 1u
                %286:i32 = mul %x_415, 16i
                %287:i32 = add %x_413, %286
                %288:ptr<private, i32, read_write> = access %map, %287
                store %288, 1i
                %x_420:i32 = load_vector_element %p, 0u
                %x_422:i32 = load_vector_element %p, 1u
                %291:i32 = add %x_422, 1i
                %292:i32 = mul %291, 16i
                %293:i32 = add %x_420, %292
                %294:ptr<private, i32, read_write> = access %map, %293
                store %294, 1i
                %x_428:i32 = load_vector_element %p, 0u
                %x_430:i32 = load_vector_element %p, 1u
                %297:i32 = add %x_430, 2i
                %298:i32 = mul %297, 16i
                %299:i32 = add %x_428, %298
                %300:ptr<private, i32, read_write> = access %map, %299
                store %300, 1i
                %x_436:i32 = load_vector_element %p, 1u
                %302:i32 = add %x_436, 2i
                store_vector_element %p, 1u, %302
                exit_if  # if_26
              }
            }
            exit_if  # if_10
          }
        }
        %x_440:i32 = load_vector_element %ipos, 1u
        %x_443:i32 = load_vector_element %ipos, 0u
        %305:i32 = mul %x_440, 16i
        %306:i32 = add %305, %x_443
        %307:ptr<private, i32, read_write> = access %map, %306
        %x_446:i32 = load %307
        %309:bool = eq %x_446, 1i
        if %309 [t: %b41] {  # if_27
          %b41 = block {  # true
            store %x_GLF_color, vec4<f32>(1.0f)
            ret
          }
        }
        continue %b8
      }
      %b8 = block {  # continuing
        %x_450:bool = load %canwalk
        %311:bool = eq %x_450, false
        break_if %311 %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 -> %b42 {
  %b42 = block {
    store %gl_FragCoord, %gl_FragCoord_param
    %314:void = call %main_1
    %315:vec4<f32> = load %x_GLF_color
    %316:main_out = construct %315
    ret %316
  }
}

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