<dawn>/test/tint/diagnostic_filtering/compound_statement_attribute.wgsl:8:11 warning: 'textureSample' must only be called from uniform control flow
      _ = textureSample(t, s, vec2(0, 0));
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

<dawn>/test/tint/diagnostic_filtering/compound_statement_attribute.wgsl:7:5 note: control flow depends on possibly non-uniform value
    if (x > 0) {
    ^^

<dawn>/test/tint/diagnostic_filtering/compound_statement_attribute.wgsl:7:9 note: user-defined input 'x' of 'main' may be non-uniform
    if (x > 0) {
        ^

#version 310 es
precision highp float;
precision highp int;

layout(location = 0) in float x_1;
uniform highp sampler2D t_s;

void tint_symbol(float x) {
  {
    if ((x > 0.0f)) {
      vec4 tint_phony = texture(t_s, vec2(0.0f));
    }
  }
}

void main() {
  tint_symbol(x_1);
  return;
}
