File: PR35812-neg-cmpxchg.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (156 lines) | stat: -rw-r--r-- 5,347 bytes parent folder | download | duplicates (4)
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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Make sure that a negative value for the compare-and-swap is zero extended
; from i8/i16 to i32 since it will be compared for equality.
; RUN: llc -mtriple=powerpc64le-linux-gnu -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=powerpc64le-linux-gnu -mcpu=pwr7 -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-P7

@str = private unnamed_addr constant [46 x i8] c"FAILED: __atomic_compare_exchange_n() failed.\00"
@str.1 = private unnamed_addr constant [59 x i8] c"FAILED: __atomic_compare_exchange_n() set the wrong value.\00"
@str.2 = private unnamed_addr constant [7 x i8] c"PASSED\00"

define signext i32 @main() nounwind {
; CHECK-LABEL: main:
; CHECK:       # %bb.0: # %L.entry
; CHECK-NEXT:    mflr 0
; CHECK-NEXT:    stdu 1, -48(1)
; CHECK-NEXT:    li 3, -32477
; CHECK-NEXT:    std 0, 64(1)
; CHECK-NEXT:    li 4, 234
; CHECK-NEXT:    addi 6, 1, 46
; CHECK-NEXT:    sth 3, 46(1)
; CHECK-NEXT:    lis 3, 0
; CHECK-NEXT:    ori 3, 3, 33059
; CHECK-NEXT:    sync
; CHECK-NEXT:  .LBB0_1: # %L.entry
; CHECK-NEXT:    #
; CHECK-NEXT:    lharx 5, 0, 6
; CHECK-NEXT:    cmpw 5, 3
; CHECK-NEXT:    bne 0, .LBB0_3
; CHECK-NEXT:  # %bb.2: # %L.entry
; CHECK-NEXT:    #
; CHECK-NEXT:    sthcx. 4, 0, 6
; CHECK-NEXT:    bne 0, .LBB0_1
; CHECK-NEXT:  .LBB0_3: # %L.entry
; CHECK-NEXT:    cmplwi 5, 33059
; CHECK-NEXT:    lwsync
; CHECK-NEXT:    bne 0, .LBB0_6
; CHECK-NEXT:  # %bb.4: # %L.B0000
; CHECK-NEXT:    lhz 3, 46(1)
; CHECK-NEXT:    cmplwi 3, 234
; CHECK-NEXT:    bne 0, .LBB0_7
; CHECK-NEXT:  # %bb.5: # %L.B0001
; CHECK-NEXT:    addis 3, 2, .Lstr.2@toc@ha
; CHECK-NEXT:    addi 3, 3, .Lstr.2@toc@l
; CHECK-NEXT:    bl puts
; CHECK-NEXT:    nop
; CHECK-NEXT:    li 3, 0
; CHECK-NEXT:    b .LBB0_9
; CHECK-NEXT:  .LBB0_6: # %L.B0003
; CHECK-NEXT:    addis 3, 2, .Lstr@toc@ha
; CHECK-NEXT:    addi 3, 3, .Lstr@toc@l
; CHECK-NEXT:    b .LBB0_8
; CHECK-NEXT:  .LBB0_7: # %L.B0005
; CHECK-NEXT:    addis 3, 2, .Lstr.1@toc@ha
; CHECK-NEXT:    addi 3, 3, .Lstr.1@toc@l
; CHECK-NEXT:  .LBB0_8: # %L.B0003
; CHECK-NEXT:    bl puts
; CHECK-NEXT:    nop
; CHECK-NEXT:    li 3, 1
; CHECK-NEXT:  .LBB0_9: # %L.B0003
; CHECK-NEXT:    addi 1, 1, 48
; CHECK-NEXT:    ld 0, 16(1)
; CHECK-NEXT:    mtlr 0
; CHECK-NEXT:    blr
;
; CHECK-P7-LABEL: main:
; CHECK-P7:       # %bb.0: # %L.entry
; CHECK-P7-NEXT:    mflr 0
; CHECK-P7-NEXT:    stdu 1, -48(1)
; CHECK-P7-NEXT:    li 3, -32477
; CHECK-P7-NEXT:    lis 5, 0
; CHECK-P7-NEXT:    addi 4, 1, 46
; CHECK-P7-NEXT:    li 7, 0
; CHECK-P7-NEXT:    std 0, 64(1)
; CHECK-P7-NEXT:    sth 3, 46(1)
; CHECK-P7-NEXT:    li 6, 234
; CHECK-P7-NEXT:    rlwinm 3, 4, 3, 27, 27
; CHECK-P7-NEXT:    ori 5, 5, 33059
; CHECK-P7-NEXT:    ori 7, 7, 65535
; CHECK-P7-NEXT:    sync
; CHECK-P7-NEXT:    slw 6, 6, 3
; CHECK-P7-NEXT:    slw 8, 5, 3
; CHECK-P7-NEXT:    slw 5, 7, 3
; CHECK-P7-NEXT:    rldicr 4, 4, 0, 61
; CHECK-P7-NEXT:    and 6, 6, 5
; CHECK-P7-NEXT:    and 7, 8, 5
; CHECK-P7-NEXT:  .LBB0_1: # %L.entry
; CHECK-P7-NEXT:    #
; CHECK-P7-NEXT:    lwarx 9, 0, 4
; CHECK-P7-NEXT:    and 8, 9, 5
; CHECK-P7-NEXT:    cmpw 8, 7
; CHECK-P7-NEXT:    bne 0, .LBB0_3
; CHECK-P7-NEXT:  # %bb.2: # %L.entry
; CHECK-P7-NEXT:    #
; CHECK-P7-NEXT:    andc 9, 9, 5
; CHECK-P7-NEXT:    or 9, 9, 6
; CHECK-P7-NEXT:    stwcx. 9, 0, 4
; CHECK-P7-NEXT:    bne 0, .LBB0_1
; CHECK-P7-NEXT:  .LBB0_3: # %L.entry
; CHECK-P7-NEXT:    srw 3, 8, 3
; CHECK-P7-NEXT:    lwsync
; CHECK-P7-NEXT:    cmplwi 3, 33059
; CHECK-P7-NEXT:    bne 0, .LBB0_6
; CHECK-P7-NEXT:  # %bb.4: # %L.B0000
; CHECK-P7-NEXT:    lhz 3, 46(1)
; CHECK-P7-NEXT:    cmplwi 3, 234
; CHECK-P7-NEXT:    bne 0, .LBB0_7
; CHECK-P7-NEXT:  # %bb.5: # %L.B0001
; CHECK-P7-NEXT:    addis 3, 2, .Lstr.2@toc@ha
; CHECK-P7-NEXT:    addi 3, 3, .Lstr.2@toc@l
; CHECK-P7-NEXT:    bl puts
; CHECK-P7-NEXT:    nop
; CHECK-P7-NEXT:    li 3, 0
; CHECK-P7-NEXT:    b .LBB0_9
; CHECK-P7-NEXT:  .LBB0_6: # %L.B0003
; CHECK-P7-NEXT:    addis 3, 2, .Lstr@toc@ha
; CHECK-P7-NEXT:    addi 3, 3, .Lstr@toc@l
; CHECK-P7-NEXT:    b .LBB0_8
; CHECK-P7-NEXT:  .LBB0_7: # %L.B0005
; CHECK-P7-NEXT:    addis 3, 2, .Lstr.1@toc@ha
; CHECK-P7-NEXT:    addi 3, 3, .Lstr.1@toc@l
; CHECK-P7-NEXT:  .LBB0_8: # %L.B0003
; CHECK-P7-NEXT:    bl puts
; CHECK-P7-NEXT:    nop
; CHECK-P7-NEXT:    li 3, 1
; CHECK-P7-NEXT:  .LBB0_9: # %L.B0003
; CHECK-P7-NEXT:    addi 1, 1, 48
; CHECK-P7-NEXT:    ld 0, 16(1)
; CHECK-P7-NEXT:    mtlr 0
; CHECK-P7-NEXT:    blr
L.entry:
  %value.addr = alloca i16, align 2
  store i16 -32477, ptr %value.addr, align 2
  %0 = cmpxchg ptr %value.addr, i16 -32477, i16 234 seq_cst seq_cst
  %1 = extractvalue { i16, i1 } %0, 1
  br i1 %1, label %L.B0000, label %L.B0003

L.B0003:                                          ; preds = %L.entry
  %puts = call i32 @puts(ptr @str)
  ret i32 1

L.B0000:                                          ; preds = %L.entry
  %2 = load i16, ptr %value.addr, align 2
  %3 = icmp eq i16 %2, 234
  br i1 %3, label %L.B0001, label %L.B0005

L.B0005:                                          ; preds = %L.B0000
  %puts1 = call i32 @puts(ptr @str.1)
  ret i32 1

L.B0001:                                          ; preds = %L.B0000
  %puts2 = call i32 @puts(ptr @str.2)
  ret i32 0
}

; Function Attrs: nounwind
declare i32 @puts(ptr nocapture readonly) #0