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wasmtime/cranelift/filetests/domtree/loops2.clif
2018-07-13 09:15:16 -07:00

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test domtree
function %loop1(i32) {
ebb0(v0: i32):
brz v0, ebb1 ; dominates: ebb1 ebb6
brnz v0, ebb2 ; dominates: ebb2 ebb9
jump ebb3 ; dominates: ebb3
ebb1:
jump ebb6
ebb2:
brz v0, ebb4 ; dominates: ebb4 ebb7 ebb8
jump ebb5 ; dominates: ebb5
ebb3:
jump ebb9
ebb4:
brz v0, ebb4
brnz v0, ebb6
jump ebb7
ebb5:
brz v0, ebb7
brnz v0, ebb8
jump ebb9
ebb6:
return
ebb7:
jump ebb8
ebb8:
return
ebb9:
return
}
; check: domtree_preorder {
; nextln: ebb0: ebb1 ebb2 ebb6 ebb3 ebb9
; nextln: ebb1:
; nextln: ebb2: ebb4 ebb5 ebb7 ebb8
; nextln: ebb4:
; nextln: ebb5:
; nextln: ebb7:
; nextln: ebb8:
; nextln: ebb6:
; nextln: ebb3:
; nextln: ebb9:
; nextln: }
function %loop2(i32) system_v {
ebb0(v0: i32):
brz v0, ebb1 ; dominates: ebb1 ebb3 ebb4 ebb5
jump ebb2 ; dominates: ebb2
ebb1:
jump ebb3
ebb2:
brz v0, ebb4
jump ebb5
ebb3:
jump ebb4
ebb4:
brz v0, ebb3
jump ebb5
ebb5:
brz v0, ebb4
return
}
; check: cfg_postorder:
; sameln: ebb5
; sameln: ebb3
; sameln: ebb4
; sameln: ebb2
; sameln: ebb1
; sameln: ebb0
; check: domtree_preorder {
; nextln: ebb0: ebb1 ebb2 ebb4 ebb3 ebb5
; nextln: ebb1:
; nextln: ebb2:
; nextln: ebb4:
; nextln: ebb3:
; nextln: ebb5:
; nextln: }