22 instructions

[immutable slots]
i0 = 0

store_src_rg                   coords = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
splat_3_constants              a, b, c = 0
copy_constant                  a = 0x00000001 (1.401298e-45)
copy_constant                  b = 0x00000002 (2.802597e-45)
copy_constant                  c = 0x00000005 (7.006492e-45)
copy_slot_unmasked             $0 = a
cmpeq_imm_int                  $0 = equal($0, 0x00000001)
copy_slot_unmasked             $1 = b
cmpeq_imm_int                  $1 = equal($1, 0x00000002)
bitwise_and_int                $0 &= $1
copy_slot_unmasked             $1 = c
cmpeq_imm_int                  $1 = equal($1, 0x00000005)
bitwise_and_int                $0 &= $1
copy_constant                  $1 = 0
cmpeq_imm_int                  $1 = equal($1, 0)
bitwise_and_int                $0 &= $1
swizzle_4                      $0..3 = ($0..3).xxxx
copy_4_uniforms                $4..7 = colorRed
copy_4_uniforms                $8..11 = colorGreen
mix_4_ints                     $0..3 = mix($4..7, $8..11, $0..3)
load_src                       src.rgba = $0..3