1#version 450
2
3struct S1 {
4    float a;
5    int b;
6};
7
8layout(location = 0) flat in S1 in1;
9layout(location = 2) flat in S1 in2;
10layout(location = 4) flat in int cond;
11
12layout(location = 0) out float outv;
13
14void fun1(){}
15void fun2(){}
16
17void main()
18{
19    // glslang will only make OpSelect for very trivial looking expressions
20
21    float f1 = 1.0;
22    float f2 = 2.0;
23    outv = cond < 8 ? f1 : f2;           // in all versions
24
25    ivec4 iv1 = ivec4(f1);
26    ivec4 iv2 = ivec4(f2);
27    outv *= (cond > 0 ? iv1 : iv2).z;     // in all versions, but in 1.4 as scalar condition, not smeared ala mix()
28
29    mat3 m1 = mat3(1.0);
30    mat3 m2 = mat3(2.0);
31    outv *= (cond < 20 ? m1 : m2)[2][1];  // in 1.4, but not before
32
33    S1 fv = cond > 5 ? in1 : in2;         // in 1.4, but not before
34    outv *= fv.a;
35
36    cond > 0 ? fun1() : fun2();           // not allowed by any version
37}
38