;; Function add (add, funcdef_no=0, decl_uid=1318, cgraph_uid=0)

insn=6, live_throughout: 32, dead_or_set: 24, 25, 45
insn=19, live_throughout: 32, 45, dead_or_set: 24
insn=20, live_throughout: 24, 32, dead_or_set: 25, 45
insn=14, live_throughout: 24, 25, 32, dead_or_set: 
changing reg in insn 6
Spilling for insn 6.

Reloads for insn # 6
Reload 0: reload_in (HI) = (reg:HI 24 r24 [ val ])
	reload_out (HI) = (reg:HI 18 r18 [45])
	LD_REGS, RELOAD_OTHER (opnum = 0)
	reload_in_reg: (reg:HI 24 r24 [ val ])
	reload_out_reg: (reg:HI 18 r18 [45])
	reload_reg_rtx: (reg:HI 18 r18 [45])


try_optimize_cfg iteration 1

starting the processing of deferred insns
ending the processing of deferred insns
starting the processing of deferred insns
ending the processing of deferred insns
df_analyze called
df_worklist_dataflow_doublequeue:n_basic_blocks 3 n_edges 2 count 3 (    1)
df_worklist_dataflow_doublequeue:n_basic_blocks 3 n_edges 2 count 3 (    1)


add

Dataflow summary:
;;  invalidated by call 	 0 [r0] 1 [r1] 18 [r18] 19 [r19] 20 [r20] 21 [r21] 22 [r22] 23 [r23] 24 [r24] 25 [r25] 26 [r26] 27 [r27] 30 [r30] 31 [r31] 33 [__SP_H__] 35 [argH]
;;  hardware regs used 	 32 [__SP_L__]
;;  regular block artificial uses 	 32 [__SP_L__]
;;  eh block artificial uses 	 32 [__SP_L__] 34 [argL]
;;  entry block defs 	 8 [r8] 9 [r9] 10 [r10] 11 [r11] 12 [r12] 13 [r13] 14 [r14] 15 [r15] 16 [r16] 17 [r17] 18 [r18] 19 [r19] 20 [r20] 21 [r21] 22 [r22] 23 [r23] 24 [r24] 25 [r25] 32 [__SP_L__]
;;  exit block uses 	 24 [r24] 25 [r25] 32 [__SP_L__]
;;  regs ever live 	 18[r18] 19[r19] 24[r24] 25[r25]
;;  ref usage 	r8={1d} r9={1d} r10={1d} r11={1d} r12={1d} r13={1d} r14={1d} r15={1d} r16={1d} r17={1d} r18={3d,2u} r19={3d,2u} r20={1d} r21={1d} r22={1d} r23={1d} r24={2d,3u} r25={2d,3u} r32={1d,2u} 
;;    total ref usage 37{25d,12u,0e} in 5{5 regular + 0 call} insns.
(note 1 0 4 NOTE_INSN_DELETED)


;; Basic block 2 , prev 0, next 1, loop_depth 0, count 0, freq 10000, maybe hot, flags: reachable rtl modified.
;; Predecessors:  ENTRY [100.0%]  (fallthru)
;; bb 2 artificial_defs: { }
;; bb 2 artificial_uses: { u-1(32){ }}
;; lr  in  	 24 [r24] 25 [r25] 32 [__SP_L__]
;; lr  use 	 24 [r24] 25 [r25] 32 [__SP_L__]
;; lr  def 	 18 [r18] 19 [r19] 24 [r24] 25 [r25]
;; live  in  	 24 [r24] 25 [r25] 32 [__SP_L__]
;; live  gen 	 18 [r18] 19 [r19] 24 [r24] 25 [r25]
;; live  kill	

(note 4 1 2 2 [bb 2] NOTE_INSN_BASIC_BLOCK)

(note 2 4 3 2 NOTE_INSN_DELETED)

(note 3 2 23 2 NOTE_INSN_FUNCTION_BEG)

(insn 23 3 6 2 (set (reg:HI 18 r18 [45])
        (reg:HI 24 r24 [ val ])) add.c:4 22 {*movhi}
     (nil))

(insn 6 23 19 2 (parallel [
            (set (reg:HI 18 r18 [45])
                (plus:HI (reg:HI 18 r18 [45])
                    (const_int 1 [0x1])))
            (clobber (scratch:QI))
        ]) add.c:4 42 {addhi3_clobber}
     (nil))

(insn 19 6 20 2 (set (reg:QI 24 r24)
        (reg:QI 18 r18 [45])) add.c:5 18 {movqi_insn}
     (nil))

(insn 20 19 14 2 (set (reg:QI 25 r25 [+1 ])
        (reg:QI 19 r19 [+1 ])) add.c:5 18 {movqi_insn}
     (nil))

(insn 14 20 21 2 (use (reg/i:HI 24 r24)) add.c:5 -1
     (nil))

;; Successors:  EXIT [100.0%]  (fallthru)
;; lr  out 	 24 [r24] 25 [r25] 32 [__SP_L__]
;; live  out 	 24 [r24] 25 [r25] 32 [__SP_L__]


(note 21 14 0 NOTE_INSN_DELETED)


;; Function sext_hi (sext_hi, funcdef_no=1, decl_uid=1321, cgraph_uid=1)

insn=2, live_throughout: 32, dead_or_set: 24, 25, 44
insn=6, live_throughout: 32, dead_or_set: 44, 45
insn=21, live_throughout: 32, 45, dead_or_set: 22
insn=22, live_throughout: 22, 32, 45, dead_or_set: 23
insn=23, live_throughout: 22, 23, 32, 45, dead_or_set: 24
insn=24, live_throughout: 22, 23, 24, 32, dead_or_set: 25, 45
insn=14, live_throughout: 22, 23, 24, 25, 32, dead_or_set: 
changing reg in insn 2
changing reg in insn 6
changing reg in insn 6
deleting insn with uid = 2.


try_optimize_cfg iteration 1

starting the processing of deferred insns
ending the processing of deferred insns
starting the processing of deferred insns
ending the processing of deferred insns
df_analyze called
df_worklist_dataflow_doublequeue:n_basic_blocks 3 n_edges 2 count 3 (    1)
df_worklist_dataflow_doublequeue:n_basic_blocks 3 n_edges 2 count 3 (    1)


sext_hi

Dataflow summary:
;;  invalidated by call 	 0 [r0] 1 [r1] 18 [r18] 19 [r19] 20 [r20] 21 [r21] 22 [r22] 23 [r23] 24 [r24] 25 [r25] 26 [r26] 27 [r27] 30 [r30] 31 [r31] 33 [__SP_H__] 35 [argH]
;;  hardware regs used 	 32 [__SP_L__]
;;  regular block artificial uses 	 32 [__SP_L__]
;;  eh block artificial uses 	 32 [__SP_L__] 34 [argL]
;;  entry block defs 	 8 [r8] 9 [r9] 10 [r10] 11 [r11] 12 [r12] 13 [r13] 14 [r14] 15 [r15] 16 [r16] 17 [r17] 18 [r18] 19 [r19] 20 [r20] 21 [r21] 22 [r22] 23 [r23] 24 [r24] 25 [r25] 32 [__SP_L__]
;;  exit block uses 	 22 [r22] 23 [r23] 24 [r24] 25 [r25] 32 [__SP_L__]
;;  regs ever live 	 16[r16] 17[r17] 18[r18] 19[r19] 22[r22] 23[r23] 24[r24] 25[r25]
;;  ref usage 	r8={1d} r9={1d} r10={1d} r11={1d} r12={1d} r13={1d} r14={1d} r15={1d} r16={2d,1u} r17={2d,1u} r18={2d,1u} r19={2d,1u} r20={1d} r21={1d} r22={2d,2u} r23={2d,2u} r24={2d,3u} r25={2d,3u} r32={1d,2u} 
;;    total ref usage 43{27d,16u,0e} in 6{6 regular + 0 call} insns.
(note 1 0 4 NOTE_INSN_DELETED)


;; Basic block 2 , prev 0, next 1, loop_depth 0, count 0, freq 10000, maybe hot, flags: reachable rtl modified.
;; Predecessors:  ENTRY [100.0%]  (fallthru)
;; bb 2 artificial_defs: { }
;; bb 2 artificial_uses: { u-1(32){ }}
;; lr  in  	 24 [r24] 25 [r25] 32 [__SP_L__]
;; lr  use 	 24 [r24] 25 [r25] 32 [__SP_L__]
;; lr  def 	 16 [r16] 17 [r17] 18 [r18] 19 [r19] 22 [r22] 23 [r23] 24 [r24] 25 [r25]
;; live  in  	 24 [r24] 25 [r25] 32 [__SP_L__]
;; live  gen 	 16 [r16] 17 [r17] 18 [r18] 19 [r19] 22 [r22] 23 [r23] 24 [r24] 25 [r25]
;; live  kill	

(note 4 1 3 2 [bb 2] NOTE_INSN_BASIC_BLOCK)

(note 3 4 6 2 NOTE_INSN_FUNCTION_BEG)

(insn 6 3 21 2 (set (reg:SI 16 r16 [orig:45 val ] [45])
        (sign_extend:SI (reg/v:HI 24 r24 [orig:44 val ] [44]))) add.c:11 227 {extendhisi2}
     (nil))

(insn 21 6 22 2 (set (reg:QI 22 r22)
        (reg:QI 16 r16 [orig:45 val ] [45])) add.c:12 18 {movqi_insn}
     (nil))

(insn 22 21 23 2 (set (reg:QI 23 r23 [+1 ])
        (reg:QI 17 r17 [ val+1 ])) add.c:12 18 {movqi_insn}
     (nil))

(insn 23 22 24 2 (set (reg:QI 24 r24 [+2 ])
        (reg:QI 18 r18 [ val+2 ])) add.c:12 18 {movqi_insn}
     (nil))

(insn 24 23 14 2 (set (reg:QI 25 r25 [+3 ])
        (reg:QI 19 r19 [ val+3 ])) add.c:12 18 {movqi_insn}
     (nil))

(insn 14 24 25 2 (use (reg/i:SI 22 r22)) add.c:12 -1
     (nil))

;; Successors:  EXIT [100.0%]  (fallthru)
;; lr  out 	 22 [r22] 23 [r23] 24 [r24] 25 [r25] 32 [__SP_L__]
;; live  out 	 22 [r22] 23 [r23] 24 [r24] 25 [r25] 32 [__SP_L__]


(note 25 14 0 NOTE_INSN_DELETED)