1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux -run-pass=block-placement -o - %s | FileCheck %s
---
# check loop bb.7 is not merged with bb.10, bb.13
# check loop bb.9 is not merged with bb.12
name: foo
body: |
; CHECK-LABEL: name: foo
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK: TEST8ri $dl, 1, implicit-def $eflags, implicit killed $edx
; CHECK: JCC_1 %bb.1, 5, implicit $eflags
; CHECK: bb.2:
; CHECK: successors: %bb.1(0x30000000), %bb.3(0x50000000)
; CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
; CHECK: TEST64rr $rax, $rax, implicit-def $eflags
; CHECK: JCC_1 %bb.1, 4, implicit $eflags
; CHECK: bb.3:
; CHECK: successors: %bb.6(0x30000000), %bb.4(0x50000000)
; CHECK: CMP64mi32 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load (s64))
; CHECK: JCC_1 %bb.6, 4, implicit $eflags
; CHECK: bb.4:
; CHECK: $ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
; CHECK: dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al
; CHECK: RET64 $eax
; CHECK: bb.6:
; CHECK: successors: %bb.1(0x30000000), %bb.7(0x50000000)
; CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
; CHECK: TEST64rr $rax, $rax, implicit-def $eflags
; CHECK: JCC_1 %bb.1, 4, implicit $eflags
; CHECK: bb.7 (align 16):
; CHECK: successors: %bb.8(0x71555555), %bb.4(0x0eaaaaab)
; CHECK: CMP64mi32 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load (s64)), (load (s64))
; CHECK: JCC_1 %bb.4, 5, implicit $eflags
; CHECK: bb.8:
; CHECK: successors: %bb.1(0x04000000), %bb.7(0x7c000000)
; CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
; CHECK: TEST64rr $rax, $rax, implicit-def $eflags
; CHECK: JCC_1 %bb.7, 5, implicit $eflags
; CHECK: bb.1:
; CHECK: $ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
; CHECK: RET64 $eax
bb.0:
successors: %bb.1(0x40000000), %bb.7(0x40000000)
TEST8ri $dl, 1, implicit-def $eflags, implicit killed $edx
JCC_1 %bb.7, 4, implicit $eflags
bb.1:
successors: %bb.16(0x80000000)
$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
JMP_1 %bb.16
bb.7:
successors: %bb.8(0x30000000), %bb.9(0x50000000)
$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
TEST64rr $rax, $rax, implicit-def $eflags
JCC_1 %bb.9, 5, implicit killed $eflags
bb.8:
successors: %bb.16(0x80000000)
$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
JMP_1 %bb.16
bb.9:
successors: %bb.10(0x30000000), %bb.15(0x50000000)
CMP64mi32 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load (s64))
JCC_1 %bb.15, 5, implicit $eflags
bb.10:
successors: %bb.11(0x30000000), %bb.12(0x50000000)
$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
TEST64rr $rax, $rax, implicit-def $eflags
JCC_1 %bb.12, 5, implicit $eflags
bb.11:
successors: %bb.16(0x80000000)
$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
JMP_1 %bb.16
bb.12:
successors: %bb.13(0x71555555), %bb.15(0x0eaaaaab)
CMP64mi32 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load (s64)), (load (s64))
JCC_1 %bb.15, 5, implicit $eflags
bb.13:
successors: %bb.14(0x04000000), %bb.12(0x7c000000)
$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load (s64))
TEST64rr $rax, $rax, implicit-def $eflags
JCC_1 %bb.12, 5, implicit $eflags
bb.14:
successors: %bb.16(0x80000000)
$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
JMP_1 %bb.16
bb.15:
successors: %bb.16(0x80000000)
$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al
bb.16:
RET64 $eax
...
|
