GLSL IR for native fragment shader 3:
(
(declare (shader_out ) vec4 out_Color)
(declare (uniform ) float u_InverseGamma)
(function main
  (signature void
    (parameters
    )
    (
      (declare () vec4 gamma)
      (assign  (xyz) (var_ref gamma)  (swiz xxx (expression float ubo_load (constant uint (0)) (constant uint (0)) ) )) 
      (assign  (w) (var_ref gamma)  (constant float (1.000000)) ) 
      (assign  (x) (var_ref out_Color)  (expression float pow (constant float (0.400000)) (swiz x (var_ref gamma) )) ) 
      (assign  (y) (var_ref out_Color)  (expression float pow (constant float (0.200000)) (swiz y (var_ref gamma) )) ) 
      (assign  (z) (var_ref out_Color)  (expression float pow (constant float (0.500000)) (swiz z (var_ref gamma) )) ) 
      (assign  (w) (var_ref out_Color)  (constant float (1.000000)) ) 
    ))

)


)

Native code for fragment shader 3 (8-wide dispatch):
   START B0
   FB write target 0
0x00000000: mov.sat(8)      m4<1>F          1F                              { align1 WE_normal 1Q };
   (assign  (z) (var_ref out_Color)  (expression float pow (constant float (0.500000)) (swiz z (var_ref gamma) )) ) 
0x00000010: mov(8)          g5<1>F          0.5F                            { align1 WE_normal 1Q };
   (assign  (y) (var_ref out_Color)  (expression float pow (constant float (0.200000)) (swiz y (var_ref gamma) )) ) 
0x00000020: mov(8)          g4<1>F          0.2F                            { align1 WE_normal 1Q };
   (assign  (x) (var_ref out_Color)  (expression float pow (constant float (0.400000)) (swiz x (var_ref gamma) )) ) 
0x00000030: mov(8)          g3<1>F          0.4F                            { align1 WE_normal 1Q };
   (assign  (xyz) (var_ref gamma)  (swiz xxx (expression float ubo_load (constant uint (0)) (constant uint (0)) ) )) 
0x00000040: mov(8)          m14<1>UD        g0<8,8,1>UD                     { align1 WE_all 1Q };
0x00000050: mov(1)          m14.2<1>UD      0x00000000UD                    { align1 WE_all };
0x00000060: send(8)         g2<1>UW         m14<8,8,1>UD
                sampler (26, 0, 0, 0) mlen 1 rlen 1             { align1 WE_all 1Q };
   (assign  (z) (var_ref out_Color)  (expression float pow (constant float (0.500000)) (swiz z (var_ref gamma) )) ) 
0x00000070: math pow(8)     g5<1>F          g5<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
   (assign  (y) (var_ref out_Color)  (expression float pow (constant float (0.200000)) (swiz y (var_ref gamma) )) ) 
0x00000080: math pow(8)     g4<1>F          g4<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
   FB write target 0
0x00000090: mov.sat(8)      m3<1>F          g5<8,8,1>F                      { align1 WE_normal 1Q };
0x000000a0: mov.sat(8)      m2<1>F          g4<8,8,1>F                      { align1 WE_normal 1Q };
   (assign  (x) (var_ref out_Color)  (expression float pow (constant float (0.400000)) (swiz x (var_ref gamma) )) ) 
0x000000b0: math pow(8)     g2<1>F          g3<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
   FB write target 0
0x000000c0: mov.sat(8)      m1<1>F          g2<8,8,1>F                      { align1 WE_normal 1Q };
0x000000d0: sendc(8)        null            m1<8,8,1>F
                render ( RT write, 0, 4, 12, 0) mlen 4 rlen 0   { align1 WE_normal 1Q EOT };
   END B0

Native code for fragment shader 3 (16-wide dispatch):
   START B0
   FB write target 0
0x000000c0: mov.sat(16)     m7<1>F          1F                              { align1 WE_normal 1H };
   (assign  (z) (var_ref out_Color)  (expression float pow (constant float (0.500000)) (swiz z (var_ref gamma) )) ) 
0x000000d0: mov(16)         g8<1>F          0.5F                            { align1 WE_normal 1H };
   (assign  (y) (var_ref out_Color)  (expression float pow (constant float (0.200000)) (swiz y (var_ref gamma) )) ) 
0x000000e0: mov(16)         g6<1>F          0.2F                            { align1 WE_normal 1H };
   (assign  (x) (var_ref out_Color)  (expression float pow (constant float (0.400000)) (swiz x (var_ref gamma) )) ) 
0x000000f0: mov(16)         g4<1>F          0.4F                            { align1 WE_normal 1H };
   (assign  (xyz) (var_ref gamma)  (swiz xxx (expression float ubo_load (constant uint (0)) (constant uint (0)) ) )) 
0x00000100: mov(8)          m14<1>UD        g0<8,8,1>UD                     { align1 WE_all 1Q };
0x00000110: mov(1)          m14.2<1>UD      0x00000000UD                    { align1 WE_all };
0x00000120: send(8)         g2<1>UW         m14<8,8,1>UD
                sampler (26, 0, 0, 0) mlen 1 rlen 1             { align1 WE_all 1Q };
   (assign  (z) (var_ref out_Color)  (expression float pow (constant float (0.500000)) (swiz z (var_ref gamma) )) ) 
0x00000130: math pow(8)     g8<1>F          g8<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
0x00000140: math pow(8)     g9<1>F          g9<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 2Q };
   (assign  (y) (var_ref out_Color)  (expression float pow (constant float (0.200000)) (swiz y (var_ref gamma) )) ) 
0x00000150: math pow(8)     g6<1>F          g6<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
0x00000160: math pow(8)     g7<1>F          g7<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 2Q };
   FB write target 0
0x00000170: mov.sat(16)     m5<1>F          g8<8,8,1>F                      { align1 WE_normal 1H };
0x00000180: mov.sat(16)     m3<1>F          g6<8,8,1>F                      { align1 WE_normal 1H };
   (assign  (x) (var_ref out_Color)  (expression float pow (constant float (0.400000)) (swiz x (var_ref gamma) )) ) 
0x00000190: math pow(8)     g2<1>F          g4<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 1Q };
0x000001a0: math pow(8)     g3<1>F          g5<8,8,1>F      g2<0,1,0>F      { align1 WE_normal 2Q };
   FB write target 0
0x000001b0: mov.sat(16)     m1<1>F          g2<8,8,1>F                      { align1 WE_normal 1H };
0x000001c0: sendc(16)       null            m1<8,8,1>F
                render ( RT write, 0, 0, 12, 0) mlen 8 rlen 0   { align1 WE_normal 1H EOT };
   END B0