9 instructions

store_src_rg                   coords = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
splat_4_constants              s.rgb[0], s.rgb[1], s.rgb[2], s.a = 0
copy_constant                  s.rgb[0] = 0
copy_constant                  s.rgb[1] = 0x3F800000 (1.0)
copy_constant                  s.rgb[2] = 0
copy_constant                  s.a = 0x3F800000 (1.0)
copy_4_slots_unmasked          $0..3 = s.rgb[0], s.rgb[1], s.rgb[2], s.a
load_src                       src.rgba = $0..3