diagnostic_filtering/for_loop_body_attribute.wgsl:8:9 warning: 'textureSample' must only be called from uniform control flow
    v = textureSample(t, s, vec2(0, 0));
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

diagnostic_filtering/for_loop_body_attribute.wgsl:7:3 note: control flow depends on possibly non-uniform value
  for (; x > v.x; ) @diagnostic(warning, derivative_uniformity) {
  ^^^

diagnostic_filtering/for_loop_body_attribute.wgsl:8:9 note: return value of 'textureSample' may be non-uniform
    v = textureSample(t, s, vec2(0, 0));
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 45
; Schema: 0
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               OpExecutionMode %main OriginUpperLeft
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               OpName %x "x"
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               OpDecorate %t Binding 1
               OpDecorate %s DescriptorSet 0
               OpDecorate %s Binding 2
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          %s = OpVariable %_ptr_UniformConstant_9 UniformConstant
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    %v4float = OpTypeVector %float 4
         %16 = OpConstantNull %v4float
%_ptr_Function_v4float = OpTypePointer Function %v4float
       %uint = OpTypeInt 32 0
     %uint_0 = OpConstant %uint 0
%_ptr_Function_float = OpTypePointer Function %float
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         %39 = OpConstantNull %v2float
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               OpStore %v %16
               OpBranch %19
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               OpBranch %22
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               OpSelectionMerge %31 None
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               OpBranch %20
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               OpStore %v %33
               OpBranch %21
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               OpBranch %19
         %20 = OpLabel
               OpReturn
               OpFunctionEnd
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         %43 = OpFunctionCall %void %main_inner %44
               OpReturn
               OpFunctionEnd