diagnostic_filtering/switch_statement_attribute.wgsl:7:27 warning: 'dpdx' must only be called from uniform control flow
  switch (i32(x == 0.0 && dpdx(1.0) == 0.0)) {
                          ^^^^^^^^^

diagnostic_filtering/switch_statement_attribute.wgsl:7:24 note: control flow depends on possibly non-uniform value
  switch (i32(x == 0.0 && dpdx(1.0) == 0.0)) {
                       ^^

diagnostic_filtering/switch_statement_attribute.wgsl:7:15 note: user-defined input 'x' of 'main' may be non-uniform
  switch (i32(x == 0.0 && dpdx(1.0) == 0.0)) {
              ^

#include <metal_stdlib>

using namespace metal;
struct tint_symbol_2 {
  float x [[user(locn0)]];
};

void tint_symbol_inner(float x) {
  switch(int(((x == 0.0f) && (dfdx(1.0f) == 0.0f)))) {
    default: {
      break;
    }
  }
}

fragment void tint_symbol(tint_symbol_2 tint_symbol_1 [[stage_in]]) {
  tint_symbol_inner(tint_symbol_1.x);
  return;
}