38 instructions

store_src_rg                   xy = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
copy_constant                  i = 0
copy_slot_unmasked             i₁ = i
copy_constant                  x = 0
label                          label 0x00000002
copy_slot_unmasked             i₂ = i₁
copy_constant                  x₁ = 0
label                          label 0x00000005
copy_slot_unmasked             i₃ = i₂
copy_constant                  x₂ = 0
label                          label 0x00000008
copy_slot_unmasked             i₄ = i₃
copy_constant                  x₃ = 0
label                          label 0x0000000B
add_imm_int                    i₄ += 0x00000001
add_imm_int                    x₃ += 0x00000001
copy_slot_unmasked             $0 = x₃
cmplt_imm_int                  $0 = lessThan($0, 0x0000000A)
stack_rewind
branch_if_no_active_lanes_eq   branch -6 (label 11 at #15) if no lanes of $0 == 0
label                          label 0x0000000A
copy_slot_unmasked             i₃ = i₄
label                          label 0x00000009
add_imm_int                    x₂ += 0x00000001
copy_slot_unmasked             $0 = x₂
cmplt_imm_int                  $0 = lessThan($0, 0x0000000A)
stack_rewind
branch_if_no_active_lanes_eq   branch -17 (label 8 at #12) if no lanes of $0 == 0
label                          label 0x00000007
copy_slot_unmasked             i₂ = i₃
label                          label 0x00000006
add_imm_int                    x₁ += 0x00000001
copy_slot_unmasked             $0 = x₁
cmplt_imm_int                  $0 = lessThan($0, 0x0000000A)
stack_rewind
branch_if_no_active_lanes_eq   branch -28 (label 5 at #9) if no lanes of $0 == 0
label                          label 0x00000004
copy_slot_unmasked             i₁ = i₂
label                          label 0x00000003
add_imm_int                    x += 0x00000001
copy_slot_unmasked             $0 = x
cmplt_imm_int                  $0 = lessThan($0, 0x0000000A)
stack_rewind
branch_if_no_active_lanes_eq   branch -39 (label 2 at #6) if no lanes of $0 == 0
label                          label 0x00000001
copy_slot_unmasked             i = i₁
label                          label 0
splat_4_constants              $0..3 = 0
load_src                       src.rgba = $0..3