uniform half4 colorGreen;

void DeclareAVariable(int i) { int x; }

void ForLoop2(int i) { for (int x = 0; x < 1; ++x) DeclareAVariable(i); }
void ForLoop1(int i) { ForLoop2(i); }

void IfStatement2(int i) { if (i > 0) DeclareAVariable(i); else DeclareAVariable(i); }
void IfStatement1(int i) { IfStatement2(i); }

void WhileLoop2(int i) { while (i-- > 0) DeclareAVariable(i); }
void WhileLoop1(int i) { WhileLoop2(i); }

void DoLoop2(int i) { do DeclareAVariable(i); while (i-- > 0); }
void DoLoop1(int i) { DoLoop2(i); }

half4 main(float2 coords) {
    ForLoop1(123);
    DoLoop1(123);
    WhileLoop1(123);
    IfStatement1(123);

    return colorGreen;
}