SKIP: FAILED cbuffer cbuffer_x_6 : register(b0, space0) { uint4 x_6[1]; }; static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f); void func_() { const float x_28 = asfloat(x_6[0].x); if ((1.0f > x_28)) { discard; } return; } void main_1() { x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f); [loop] while (true) { func_(); if (false) { } else { break; } } x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f); return; } struct main_out { float4 x_GLF_color_1; }; struct tint_symbol { float4 x_GLF_color_1 : SV_Target0; }; main_out main_inner() { main_1(); const main_out tint_symbol_2 = {x_GLF_color}; return tint_symbol_2; } tint_symbol main() { const main_out inner_result = main_inner(); tint_symbol wrapper_result = (tint_symbol)0; wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1; return wrapper_result; } C:\src\tint\test\Shader@0x0000016102DC2B30(16,10-21): warning X3557: loop only executes for 0 iteration(s), consider removing [loop] C:\src\tint\test\Shader@0x0000016102DC2B30(8,15-18): internal error: invalid access of unbound variable