34 instructions

[immutable slots]
i0 = 0xBF800000 (-1.0)
i1 = 0
i2 = 0
i3 = 0x40000000 (2.0)

store_src_rg                   coords = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
copy_uniform                   $4 = testInputs(0)
cast_to_int_from_float         $4 = FloatToInt($4)
cast_to_float_from_int         $4 = IntToFloat($4)
cmpeq_imm_float                $4 = equal($4, 0xBF800000 (-1.0))
copy_2_uniforms                $5..6 = testInputs(0..1)
cast_to_int_from_2_floats      $5..6 = FloatToInt($5..6)
cast_to_float_from_2_ints      $5..6 = IntToFloat($5..6)
copy_2_immutables_unmasked     $7..8 = i0..1 [0xBF800000 (-1.0), 0]
cmpeq_2_floats                 $5..6 = equal($5..6, $7..8)
bitwise_and_int                $5 &= $6
bitwise_and_int                $4 &= $5
copy_3_uniforms                $5..7 = testInputs(0..2)
cast_to_int_from_3_floats      $5..7 = FloatToInt($5..7)
cast_to_float_from_3_ints      $5..7 = IntToFloat($5..7)
copy_3_immutables_unmasked     $8..10 = i0..2 [0xBF800000 (-1.0), 0, 0]
cmpeq_3_floats                 $5..7 = equal($5..7, $8..10)
bitwise_and_int                $6 &= $7
bitwise_and_int                $5 &= $6
bitwise_and_int                $4 &= $5
copy_4_uniforms                $5..8 = testInputs
cast_to_int_from_4_floats      $5..8 = FloatToInt($5..8)
cast_to_float_from_4_ints      $5..8 = IntToFloat($5..8)
copy_4_immutables_unmasked     $9..12 = i0..3 [0xBF800000 (-1.0), 0, 0, 0x40000000 (2.0)]
cmpeq_4_floats                 $5..8 = equal($5..8, $9..12)
bitwise_and_2_ints             $5..6 &= $7..8
bitwise_and_int                $5 &= $6
bitwise_and_int                $4 &= $5
branch_if_no_active_lanes_eq   branch +3 (label 0 at #33) if no lanes of $4 == 0xFFFFFFFF
copy_4_uniforms                $0..3 = colorGreen
jump                           jump +3 (label 1 at #35)
label                          label 0
copy_4_uniforms                $0..3 = colorRed
label                          label 0x00000001
load_src                       src.rgba = $0..3