/*#pragma settings NoInline SkVMDebugTrace*/

const float gInitialized = -1.0;
float gInitializedFromOther = -gInitialized;
float gUninitialized;

void init_globals() {
    gUninitialized = gInitialized + 2;
}

float4 main(float2 xy) {
    init_globals();
    return float4(0, gInitializedFromOther, 0, gUninitialized);
}