hlsl.function.frag
ERROR: 0:24: 'fun1' : unknown variable 
ERROR: 0:24: 'return' : type does not match, or is not convertible to, the function's return type 
ERROR: 2 compilation errors.  No code generated.


Shader version: 500
gl_FragCoord origin is upper left
ERROR: node is still EOpNull!
0:2  Function Definition: fun0( ( temp 4-component vector of float)
0:2    Function Parameters: 
0:?     Sequence
0:3      Branch: Return with expression
0:3        Constant:
0:3          1.000000
0:3          1.000000
0:3          1.000000
0:3          1.000000
0:7  Function Definition: fun2(vf4; ( temp uint)
0:7    Function Parameters: 
0:7      'col' ( in 4-component vector of float)
0:?     Sequence
0:8      Branch: Return with expression
0:8        Constant:
0:8          7 (const uint)
0:12  Function Definition: fun4(u1;u1; ( temp 4-component vector of float)
0:12    Function Parameters: 
0:12      'id1' ( in uint)
0:12      'id2' ( in uint)
0:?     Sequence
0:13      Branch: Return with expression
0:13        Construct vec4 ( temp 4-component vector of float)
0:13          Convert uint to float ( temp float)
0:13            component-wise multiply ( temp uint)
0:13              'id1' ( in uint)
0:13              'id2' ( in uint)
0:17  Function Definition: fun1(i1; ( temp 4-component vector of float)
0:17    Function Parameters: 
0:17      'index' ( in int)
0:?     Sequence
0:18      Sequence
0:18        move second child to first child ( temp uint)
0:18          'entityId' ( temp uint)
0:18          Function Call: fun2(vf4; ( temp uint)
0:18            Function Call: fun0( ( temp 4-component vector of float)
0:19      Branch: Return with expression
0:19        Function Call: fun4(u1;u1; ( temp 4-component vector of float)
0:19          'entityId' ( temp uint)
0:19          'entityId' ( temp uint)
0:23  Function Definition: @main( ( temp int)
0:23    Function Parameters: 
0:23  Function Definition: main( ( temp void)
0:23    Function Parameters: 
0:?     Sequence
0:23      move second child to first child ( temp int)
0:?         '@entryPointOutput' (layout( location=0) out int)
0:23        Function Call: @main( ( temp int)
0:?   Linker Objects
0:?     '@entryPointOutput' (layout( location=0) out int)


Linked fragment stage:


Shader version: 500
gl_FragCoord origin is upper left
ERROR: node is still EOpNull!
0:2  Function Definition: fun0( ( temp 4-component vector of float)
0:2    Function Parameters: 
0:?     Sequence
0:3      Branch: Return with expression
0:3        Constant:
0:3          1.000000
0:3          1.000000
0:3          1.000000
0:3          1.000000
0:7  Function Definition: fun2(vf4; ( temp uint)
0:7    Function Parameters: 
0:7      'col' ( in 4-component vector of float)
0:?     Sequence
0:8      Branch: Return with expression
0:8        Constant:
0:8          7 (const uint)
0:12  Function Definition: fun4(u1;u1; ( temp 4-component vector of float)
0:12    Function Parameters: 
0:12      'id1' ( in uint)
0:12      'id2' ( in uint)
0:?     Sequence
0:13      Branch: Return with expression
0:13        Construct vec4 ( temp 4-component vector of float)
0:13          Convert uint to float ( temp float)
0:13            component-wise multiply ( temp uint)
0:13              'id1' ( in uint)
0:13              'id2' ( in uint)
0:17  Function Definition: fun1(i1; ( temp 4-component vector of float)
0:17    Function Parameters: 
0:17      'index' ( in int)
0:?     Sequence
0:18      Sequence
0:18        move second child to first child ( temp uint)
0:18          'entityId' ( temp uint)
0:18          Function Call: fun2(vf4; ( temp uint)
0:18            Function Call: fun0( ( temp 4-component vector of float)
0:19      Branch: Return with expression
0:19        Function Call: fun4(u1;u1; ( temp 4-component vector of float)
0:19          'entityId' ( temp uint)
0:19          'entityId' ( temp uint)
0:23  Function Definition: @main( ( temp int)
0:23    Function Parameters: 
0:23  Function Definition: main( ( temp void)
0:23    Function Parameters: 
0:?     Sequence
0:23      move second child to first child ( temp int)
0:?         '@entryPointOutput' (layout( location=0) out int)
0:23        Function Call: @main( ( temp int)
0:?   Linker Objects
0:?     '@entryPointOutput' (layout( location=0) out int)

SPIR-V is not generated for failed compile or link