| 373 instructions | 
 |  | 
 | [immutable slots] | 
 | i0 = 0x40000000 (2.0) | 
 | i1 = 0 | 
 | i2 = 0 | 
 | i3 = 0x40000000 (2.0) | 
 | i4 = 0x40400000 (3.0) | 
 | i5 = 0 | 
 | i6 = 0 | 
 | i7 = 0 | 
 | i8 = 0x40400000 (3.0) | 
 | i9 = 0 | 
 | i10 = 0 | 
 | i11 = 0 | 
 | i12 = 0x40400000 (3.0) | 
 | i13 = 0x40800000 (4.0) | 
 | i14 = 0 | 
 | i15 = 0 | 
 | i16 = 0 | 
 | i17 = 0 | 
 | i18 = 0x40800000 (4.0) | 
 | i19 = 0 | 
 | i20 = 0 | 
 | i21 = 0 | 
 | i22 = 0 | 
 | i23 = 0x40800000 (4.0) | 
 | i24 = 0 | 
 | i25 = 0 | 
 | i26 = 0 | 
 | i27 = 0 | 
 | i28 = 0x40800000 (4.0) | 
 | i29 = 0 | 
 | i30 = 0x3F800000 (1.0) | 
 |  | 
 | store_device_xy01              $13..16 = DeviceCoords.xy01 | 
 | cmpeq_imm_float                $13 = equal($13, 0x3F000000 (0.5)) | 
 | cmpeq_imm_float                $14 = equal($14, 0x3F000000 (0.5)) | 
 | bitwise_and_int                $13 &= $14 | 
 | store_src_rg                   coords = src.rg | 
 | init_lane_masks                CondMask = LoopMask = RetMask = true | 
 | copy_4_uniforms                colorGreen = colorGreen | 
 | trace_var                      TraceVar(colorGreen) when $13 is true | 
 | copy_4_uniforms                colorRed = colorRed | 
 | trace_var                      TraceVar(colorRed) when $13 is true | 
 | trace_enter                    TraceEnter(vec4 main(vec2 coords)) when $13 is true | 
 | trace_var                      TraceVar(coords) when $13 is true | 
 | copy_constant                  $0 = 0 | 
 | copy_slot_unmasked             $1 = $13 | 
 | copy_slot_masked               $0 = Mask($1) | 
 | trace_scope                    TraceScope(+1) when $0 is true | 
 | trace_line                     TraceLine(58) when $13 is true | 
 | splat_4_constants              zero = 0 | 
 | trace_var                      TraceVar(zero) when $13 is true | 
 | trace_line                     TraceLine(59) when $13 is true | 
 | splat_4_constants              one = 0x3F800000 (1.0) | 
 | trace_var                      TraceVar(one) when $13 is true | 
 | trace_line                     TraceLine(60) when $13 is true | 
 | copy_4_uniforms                green = colorGreen | 
 | trace_var                      TraceVar(green) when $13 is true | 
 | trace_line                     TraceLine(61) when $13 is true | 
 | copy_4_slots_unmasked          $1..4 = green | 
 | copy_4_slots_unmasked          $5..8 = one | 
 | mul_4_floats                   $1..4 *= $5..8 | 
 | copy_4_slots_unmasked          $5..8 = zero | 
 | add_4_floats                   $1..4 += $5..8 | 
 | copy_4_slots_unmasked          green = $1..4 | 
 | trace_var                      TraceVar(green) when $13 is true | 
 | trace_line                     TraceLine(63) when $13 is true | 
 | copy_4_uniforms                red = colorRed | 
 | trace_var                      TraceVar(red) when $13 is true | 
 | trace_line                     TraceLine(64) when $13 is true | 
 | copy_4_slots_unmasked          $1..4 = red | 
 | copy_4_slots_unmasked          $5..8 = zero | 
 | add_4_floats                   $1..4 += $5..8 | 
 | copy_4_slots_unmasked          $5..8 = one | 
 | mul_4_floats                   $1..4 *= $5..8 | 
 | copy_4_slots_unmasked          red = $1..4 | 
 | trace_var                      TraceVar(red) when $13 is true | 
 | trace_line                     TraceLine(66) when $13 is true | 
 | store_condition_mask           $17 = CondMask | 
 | store_condition_mask           $21 = CondMask | 
 | store_condition_mask           $25 = CondMask | 
 | store_condition_mask           $33 = CondMask | 
 | store_condition_mask           $69 = CondMask | 
 | store_condition_mask           $81 = CondMask | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +29 (label 7 at #81) | 
 | trace_enter                    TraceEnter(bool test_scalar()) when $13 is true | 
 | copy_constant                  $82 = 0 | 
 | copy_slot_unmasked             $83 = $13 | 
 | copy_slot_masked               $82 = Mask($83) | 
 | trace_scope                    TraceScope(+1) when $82 is true | 
 | trace_line                     TraceLine(6) when $13 is true | 
 | copy_constant                  mp = 0x3F000000 (0.5) | 
 | trace_var                      TraceVar(mp) when $13 is true | 
 | trace_line                     TraceLine(7) when $13 is true | 
 | copy_slot_unmasked             hp = mp | 
 | trace_var                      TraceVar(hp) when $13 is true | 
 | trace_line                     TraceLine(8) when $13 is true | 
 | copy_constant                  ihp = 0x00000002 (2.802597e-45) | 
 | trace_var                      TraceVar(ihp) when $13 is true | 
 | trace_line                     TraceLine(9) when $13 is true | 
 | copy_slot_unmasked             imp = ihp | 
 | trace_var                      TraceVar(imp) when $13 is true | 
 | trace_line                     TraceLine(11) when $13 is true | 
 | copy_2_slots_unmasked          $83..84 = mp, hp | 
 | cmpeq_float                    $83 = equal($83, $84) | 
 | copy_2_slots_unmasked          $84..85 = ihp, imp | 
 | cmpeq_int                      $84 = equal($84, $85) | 
 | bitwise_and_int                $83 &= $84 | 
 | copy_slot_masked               [test_scalar].result = Mask($83) | 
 | trace_var                      TraceVar([test_scalar].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $82 is true | 
 | trace_exit                     TraceExit(bool test_scalar()) when $13 is true | 
 | copy_slot_unmasked             $82 = [test_scalar].result | 
 | label                          label 0x00000007 | 
 | copy_constant                  $70 = 0 | 
 | merge_condition_mask           CondMask = $81 & $82 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +82 (label 6 at #166) | 
 | trace_enter                    TraceEnter(bool test_vector()) when $13 is true | 
 | copy_constant                  $71 = 0 | 
 | copy_slot_unmasked             $72 = $13 | 
 | copy_slot_masked               $71 = Mask($72) | 
 | trace_scope                    TraceScope(+1) when $71 is true | 
 | trace_line                     TraceLine(15) when $13 is true | 
 | splat_2_constants              mp2 = 0x40000000 (2.0) | 
 | trace_var                      TraceVar(mp2) when $13 is true | 
 | trace_line                     TraceLine(16) when $13 is true | 
 | copy_2_slots_unmasked          hp2 = mp2 | 
 | trace_var                      TraceVar(hp2) when $13 is true | 
 | trace_line                     TraceLine(17) when $13 is true | 
 | splat_3_constants              mp3 = 0x40400000 (3.0) | 
 | trace_var                      TraceVar(mp3) when $13 is true | 
 | trace_line                     TraceLine(18) when $13 is true | 
 | copy_3_slots_unmasked          hp3 = mp3 | 
 | trace_var                      TraceVar(hp3) when $13 is true | 
 | trace_line                     TraceLine(19) when $13 is true | 
 | splat_4_constants              mp4 = 0x40800000 (4.0) | 
 | trace_var                      TraceVar(mp4) when $13 is true | 
 | trace_line                     TraceLine(20) when $13 is true | 
 | copy_4_slots_unmasked          hp4 = mp4 | 
 | trace_var                      TraceVar(hp4) when $13 is true | 
 | trace_line                     TraceLine(22) when $13 is true | 
 | splat_2_constants              ihp2 = 0x00000002 (2.802597e-45) | 
 | trace_var                      TraceVar(ihp2) when $13 is true | 
 | trace_line                     TraceLine(23) when $13 is true | 
 | copy_2_slots_unmasked          imp2 = ihp2 | 
 | trace_var                      TraceVar(imp2) when $13 is true | 
 | trace_line                     TraceLine(24) when $13 is true | 
 | splat_3_constants              ihp3 = 0x00000003 (4.203895e-45) | 
 | trace_var                      TraceVar(ihp3) when $13 is true | 
 | trace_line                     TraceLine(25) when $13 is true | 
 | copy_3_slots_unmasked          imp3 = ihp3 | 
 | trace_var                      TraceVar(imp3) when $13 is true | 
 | trace_line                     TraceLine(26) when $13 is true | 
 | splat_4_constants              ihp4 = 0x00000004 (5.605194e-45) | 
 | trace_var                      TraceVar(ihp4) when $13 is true | 
 | trace_line                     TraceLine(27) when $13 is true | 
 | copy_4_slots_unmasked          imp4 = ihp4 | 
 | trace_var                      TraceVar(imp4) when $13 is true | 
 | trace_line                     TraceLine(29) when $13 is true | 
 | copy_4_slots_unmasked          $72..75 = mp2, hp2 | 
 | cmpeq_2_floats                 $72..73 = equal($72..73, $74..75) | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_3_slots_unmasked          $73..75 = hp3 | 
 | copy_3_slots_unmasked          $76..78 = mp3 | 
 | cmpeq_3_floats                 $73..75 = equal($73..75, $76..78) | 
 | bitwise_and_int                $74 &= $75 | 
 | bitwise_and_int                $73 &= $74 | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_4_slots_unmasked          $73..76 = mp4 | 
 | copy_4_slots_unmasked          $77..80 = hp4 | 
 | cmpeq_4_floats                 $73..76 = equal($73..76, $77..80) | 
 | bitwise_and_2_ints             $73..74 &= $75..76 | 
 | bitwise_and_int                $73 &= $74 | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_2_slots_unmasked          $73..74 = imp2 | 
 | copy_2_slots_unmasked          $75..76 = ihp2 | 
 | cmpeq_2_ints                   $73..74 = equal($73..74, $75..76) | 
 | bitwise_and_int                $73 &= $74 | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_4_slots_unmasked          $73..76 = ihp3, imp3(0) | 
 | copy_2_slots_unmasked          $77..78 = imp3(1..2) | 
 | cmpeq_3_ints                   $73..75 = equal($73..75, $76..78) | 
 | bitwise_and_int                $74 &= $75 | 
 | bitwise_and_int                $73 &= $74 | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_4_slots_unmasked          $73..76 = imp4 | 
 | copy_4_slots_unmasked          $77..80 = ihp4 | 
 | cmpeq_4_ints                   $73..76 = equal($73..76, $77..80) | 
 | bitwise_and_2_ints             $73..74 &= $75..76 | 
 | bitwise_and_int                $73 &= $74 | 
 | bitwise_and_int                $72 &= $73 | 
 | copy_slot_masked               [test_vector].result = Mask($72) | 
 | trace_var                      TraceVar([test_vector].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $71 is true | 
 | trace_exit                     TraceExit(bool test_vector()) when $13 is true | 
 | copy_slot_unmasked             $71 = [test_vector].result | 
 | label                          label 0x00000008 | 
 | copy_slot_masked               $70 = Mask($71) | 
 | label                          label 0x00000006 | 
 | load_condition_mask            CondMask = $81 | 
 | copy_constant                  $34 = 0 | 
 | merge_condition_mask           CondMask = $69 & $70 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +74 (label 5 at #244) | 
 | trace_enter                    TraceEnter(bool test_matrix()) when $13 is true | 
 | copy_constant                  $35 = 0 | 
 | copy_slot_unmasked             $36 = $13 | 
 | copy_slot_masked               $35 = Mask($36) | 
 | trace_scope                    TraceScope(+1) when $35 is true | 
 | trace_line                     TraceLine(34) when $13 is true | 
 | copy_4_immutables_unmasked     mp2₁ = i0..3 [0x40000000 (2.0), 0, 0, 0x40000000 (2.0)] | 
 | trace_var                      TraceVar(mp2₁) when $13 is true | 
 | trace_line                     TraceLine(35) when $13 is true | 
 | copy_4_slots_unmasked          hp2₁ = mp2₁ | 
 | trace_var                      TraceVar(hp2₁) when $13 is true | 
 | trace_line                     TraceLine(36) when $13 is true | 
 | copy_4_immutables_unmasked     mp3₁(0..3) = i4..7 [0x40400000 (3.0), 0, 0, 0] | 
 | copy_4_immutables_unmasked     mp3₁(4..7) = i8..11 [0x40400000 (3.0), 0, 0, 0] | 
 | copy_constant                  mp3₁(8) = 0x40400000 (3.0) | 
 | trace_var                      TraceVar(mp3₁) when $13 is true | 
 | trace_line                     TraceLine(37) when $13 is true | 
 | copy_4_slots_unmasked          hp3₁(0..3) = mp3₁(0..3) | 
 | copy_4_slots_unmasked          hp3₁(4..7) = mp3₁(4..7) | 
 | copy_slot_unmasked             hp3₁(8) = mp3₁(8) | 
 | trace_var                      TraceVar(hp3₁) when $13 is true | 
 | trace_line                     TraceLine(38) when $13 is true | 
 | copy_4_immutables_unmasked     mp4₁(0..3) = i13..16 [0x40800000 (4.0), 0, 0, 0] | 
 | copy_4_immutables_unmasked     mp4₁(4..7) = i17..20 [0, 0x40800000 (4.0), 0, 0] | 
 | copy_4_immutables_unmasked     mp4₁(8..11) = i21..24 [0, 0, 0x40800000 (4.0), 0] | 
 | copy_4_immutables_unmasked     mp4₁(12..15) = i25..28 [0, 0, 0, 0x40800000 (4.0)] | 
 | trace_var                      TraceVar(mp4₁) when $13 is true | 
 | trace_line                     TraceLine(39) when $13 is true | 
 | copy_4_slots_unmasked          hp4₁(0..3) = mp4₁(0..3) | 
 | copy_4_slots_unmasked          hp4₁(4..7) = mp4₁(4..7) | 
 | copy_4_slots_unmasked          hp4₁(8..11) = mp4₁(8..11) | 
 | copy_4_slots_unmasked          hp4₁(12..15) = mp4₁(12..15) | 
 | trace_var                      TraceVar(hp4₁) when $13 is true | 
 | trace_line                     TraceLine(41) when $13 is true | 
 | copy_4_slots_unmasked          $36..39 = mp2₁ | 
 | copy_4_slots_unmasked          $40..43 = hp2₁ | 
 | cmpeq_4_floats                 $36..39 = equal($36..39, $40..43) | 
 | bitwise_and_2_ints             $36..37 &= $38..39 | 
 | bitwise_and_int                $36 &= $37 | 
 | copy_4_slots_unmasked          $37..40 = hp3₁(0..3) | 
 | copy_4_slots_unmasked          $41..44 = hp3₁(4..7) | 
 | copy_slot_unmasked             $45 = hp3₁(8) | 
 | copy_4_slots_unmasked          $46..49 = mp3₁(0..3) | 
 | copy_4_slots_unmasked          $50..53 = mp3₁(4..7) | 
 | copy_slot_unmasked             $54 = mp3₁(8) | 
 | cmpeq_n_floats                 $37..45 = equal($37..45, $46..54) | 
 | bitwise_and_4_ints             $38..41 &= $42..45 | 
 | bitwise_and_2_ints             $38..39 &= $40..41 | 
 | bitwise_and_int                $38 &= $39 | 
 | bitwise_and_int                $37 &= $38 | 
 | bitwise_and_int                $36 &= $37 | 
 | copy_4_slots_unmasked          $37..40 = mp4₁(0..3) | 
 | copy_4_slots_unmasked          $41..44 = mp4₁(4..7) | 
 | copy_4_slots_unmasked          $45..48 = mp4₁(8..11) | 
 | copy_4_slots_unmasked          $49..52 = mp4₁(12..15) | 
 | copy_4_slots_unmasked          $53..56 = hp4₁(0..3) | 
 | copy_4_slots_unmasked          $57..60 = hp4₁(4..7) | 
 | copy_4_slots_unmasked          $61..64 = hp4₁(8..11) | 
 | copy_4_slots_unmasked          $65..68 = hp4₁(12..15) | 
 | cmpeq_n_floats                 $37..52 = equal($37..52, $53..68) | 
 | bitwise_and_4_ints             $45..48 &= $49..52 | 
 | bitwise_and_4_ints             $41..44 &= $45..48 | 
 | bitwise_and_4_ints             $37..40 &= $41..44 | 
 | bitwise_and_2_ints             $37..38 &= $39..40 | 
 | bitwise_and_int                $37 &= $38 | 
 | bitwise_and_int                $36 &= $37 | 
 | copy_slot_masked               [test_matrix].result = Mask($36) | 
 | trace_var                      TraceVar([test_matrix].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $35 is true | 
 | trace_exit                     TraceExit(bool test_matrix()) when $13 is true | 
 | copy_slot_unmasked             $35 = [test_matrix].result | 
 | label                          label 0x00000009 | 
 | copy_slot_masked               $34 = Mask($35) | 
 | label                          label 0x00000005 | 
 | load_condition_mask            CondMask = $69 | 
 | copy_constant                  $26 = 0 | 
 | merge_condition_mask           CondMask = $33 & $34 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +62 (label 4 at #310) | 
 | trace_enter                    TraceEnter(bool test_array()) when $13 is true | 
 | copy_constant                  $27 = 0 | 
 | copy_slot_unmasked             $28 = $13 | 
 | copy_slot_masked               $27 = Mask($28) | 
 | trace_scope                    TraceScope(+1) when $27 is true | 
 | trace_line                     TraceLine(45) when $13 is true | 
 | copy_constant                  mf[0] = 0 | 
 | trace_var                      TraceVar(mf[0]) when $13 is true | 
 | trace_line                     TraceLine(45) when $13 is true | 
 | copy_constant                  $28 = 0x3F800000 (1.0) | 
 | copy_slot_masked               mf[0] = Mask($28) | 
 | trace_var                      TraceVar(mf[0]) when $13 is true | 
 | trace_line                     TraceLine(46) when $13 is true | 
 | copy_constant                  hf[0] = 0 | 
 | trace_var                      TraceVar(hf[0]) when $13 is true | 
 | trace_line                     TraceLine(46) when $13 is true | 
 | copy_constant                  $28 = 0x3F800000 (1.0) | 
 | copy_slot_masked               hf[0] = Mask($28) | 
 | trace_var                      TraceVar(hf[0]) when $13 is true | 
 | trace_line                     TraceLine(47) when $13 is true | 
 | splat_4_constants              mv[0], mv[1] = 0 | 
 | trace_var                      TraceVar(mv[0], mv[1]) when $13 is true | 
 | trace_line                     TraceLine(47) when $13 is true | 
 | copy_2_immutables_unmasked     $28..29 = i29..30 [0, 0x3F800000 (1.0)] | 
 | copy_2_slots_masked            mv[0] = Mask($28..29) | 
 | trace_var                      TraceVar(mv[0]) when $13 is true | 
 | trace_line                     TraceLine(47) when $13 is true | 
 | copy_2_immutables_unmasked     $28..29 = i3..4 [0x40000000 (2.0), 0x40400000 (3.0)] | 
 | copy_2_slots_masked            mv[1] = Mask($28..29) | 
 | trace_var                      TraceVar(mv[1]) when $13 is true | 
 | trace_line                     TraceLine(48) when $13 is true | 
 | splat_4_constants              hv[0], hv[1] = 0 | 
 | trace_var                      TraceVar(hv[0], hv[1]) when $13 is true | 
 | trace_line                     TraceLine(48) when $13 is true | 
 | copy_2_immutables_unmasked     $28..29 = i29..30 [0, 0x3F800000 (1.0)] | 
 | copy_2_slots_masked            hv[0] = Mask($28..29) | 
 | trace_var                      TraceVar(hv[0]) when $13 is true | 
 | trace_line                     TraceLine(48) when $13 is true | 
 | copy_2_immutables_unmasked     $28..29 = i3..4 [0x40000000 (2.0), 0x40400000 (3.0)] | 
 | copy_2_slots_masked            hv[1] = Mask($28..29) | 
 | trace_var                      TraceVar(hv[1]) when $13 is true | 
 | trace_line                     TraceLine(50) when $13 is true | 
 | copy_2_slots_unmasked          $28..29 = mf[0], hf[0] | 
 | cmpeq_float                    $28 = equal($28, $29) | 
 | copy_2_slots_unmasked          $29..30 = hv[0] | 
 | copy_2_slots_unmasked          $31..32 = mv[0] | 
 | cmpeq_2_floats                 $29..30 = equal($29..30, $31..32) | 
 | bitwise_and_int                $29 &= $30 | 
 | bitwise_and_int                $28 &= $29 | 
 | copy_2_slots_unmasked          $29..30 = mv[1] | 
 | copy_2_slots_unmasked          $31..32 = hv[1] | 
 | cmpeq_2_floats                 $29..30 = equal($29..30, $31..32) | 
 | bitwise_and_int                $29 &= $30 | 
 | bitwise_and_int                $28 &= $29 | 
 | copy_slot_masked               [test_array].result = Mask($28) | 
 | trace_var                      TraceVar([test_array].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $27 is true | 
 | trace_exit                     TraceExit(bool test_array()) when $13 is true | 
 | copy_slot_unmasked             $27 = [test_array].result | 
 | label                          label 0x0000000A | 
 | copy_slot_masked               $26 = Mask($27) | 
 | label                          label 0x00000004 | 
 | load_condition_mask            CondMask = $33 | 
 | copy_constant                  $22 = 0 | 
 | merge_condition_mask           CondMask = $25 & $26 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +18 (label 3 at #332) | 
 | trace_enter                    TraceEnter(bool highp_param(float value)) when $13 is true | 
 | copy_constant                  value = 0x3F800000 (1.0) | 
 | trace_var                      TraceVar(value) when $13 is true | 
 | copy_constant                  $23 = 0 | 
 | copy_slot_unmasked             $24 = $13 | 
 | copy_slot_masked               $23 = Mask($24) | 
 | trace_scope                    TraceScope(+1) when $23 is true | 
 | trace_line                     TraceLine(53) when $13 is true | 
 | copy_slot_unmasked             $24 = value | 
 | cmpeq_imm_float                $24 = equal($24, 0x3F800000 (1.0)) | 
 | copy_slot_masked               [highp_param].result = Mask($24) | 
 | trace_var                      TraceVar([highp_param].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $23 is true | 
 | trace_exit                     TraceExit(bool highp_param(float value)) when $13 is true | 
 | copy_slot_unmasked             $23 = [highp_param].result | 
 | label                          label 0x0000000B | 
 | copy_slot_masked               $22 = Mask($23) | 
 | label                          label 0x00000003 | 
 | load_condition_mask            CondMask = $25 | 
 | copy_constant                  $18 = 0 | 
 | merge_condition_mask           CondMask = $21 & $22 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +18 (label 2 at #354) | 
 | trace_enter                    TraceEnter(bool mediump_param(half value)) when $13 is true | 
 | copy_constant                  value₁ = 0x40000000 (2.0) | 
 | trace_var                      TraceVar(value₁) when $13 is true | 
 | copy_constant                  $19 = 0 | 
 | copy_slot_unmasked             $20 = $13 | 
 | copy_slot_masked               $19 = Mask($20) | 
 | trace_scope                    TraceScope(+1) when $19 is true | 
 | trace_line                     TraceLine(54) when $13 is true | 
 | copy_slot_unmasked             $20 = value₁ | 
 | cmpeq_imm_float                $20 = equal($20, 0x40000000 (2.0)) | 
 | copy_slot_masked               [mediump_param].result = Mask($20) | 
 | trace_var                      TraceVar([mediump_param].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $19 is true | 
 | trace_exit                     TraceExit(bool mediump_param(half value)) when $13 is true | 
 | copy_slot_unmasked             $19 = [mediump_param].result | 
 | label                          label 0x0000000C | 
 | copy_slot_masked               $18 = Mask($19) | 
 | label                          label 0x00000002 | 
 | load_condition_mask            CondMask = $21 | 
 | copy_constant                  $1 = 0 | 
 | merge_condition_mask           CondMask = $17 & $18 | 
 | branch_if_no_lanes_active      branch_if_no_lanes_active +18 (label 1 at #376) | 
 | trace_enter                    TraceEnter(bool lowp_param(half value)) when $13 is true | 
 | copy_constant                  value₂ = 0x40400000 (3.0) | 
 | trace_var                      TraceVar(value₂) when $13 is true | 
 | copy_constant                  $2 = 0 | 
 | copy_slot_unmasked             $3 = $13 | 
 | copy_slot_masked               $2 = Mask($3) | 
 | trace_scope                    TraceScope(+1) when $2 is true | 
 | trace_line                     TraceLine(55) when $13 is true | 
 | copy_slot_unmasked             $3 = value₂ | 
 | cmpeq_imm_float                $3 = equal($3, 0x40400000 (3.0)) | 
 | copy_slot_masked               [lowp_param].result = Mask($3) | 
 | trace_var                      TraceVar([lowp_param].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $2 is true | 
 | trace_exit                     TraceExit(bool lowp_param(half value)) when $13 is true | 
 | copy_slot_unmasked             $2 = [lowp_param].result | 
 | label                          label 0x0000000D | 
 | copy_slot_masked               $1 = Mask($2) | 
 | label                          label 0x00000001 | 
 | load_condition_mask            CondMask = $17 | 
 | swizzle_4                      $1..4 = ($1..4).xxxx | 
 | copy_4_slots_unmasked          $5..8 = red | 
 | copy_4_slots_unmasked          $9..12 = green | 
 | mix_4_ints                     $1..4 = mix($5..8, $9..12, $1..4) | 
 | copy_4_slots_unmasked          [main].result = $1..4 | 
 | trace_var                      TraceVar([main].result) when $13 is true | 
 | trace_scope                    TraceScope(-1) when $0 is true | 
 | trace_exit                     TraceExit(vec4 main(vec2 coords)) when $13 is true | 
 | load_src                       src.rgba = [main].result |