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
|
; RUN: llc < %s -mcpu=generic -march=x86 -mattr=+cmov -verify-machineinstrs | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
define void @func(i32 %argc, i8** %argv) nounwind {
entry:
%argc.addr = alloca i32 ; <i32*> [#uses=1]
%argv.addr = alloca i8** ; <i8***> [#uses=1]
%val1 = alloca i32 ; <i32*> [#uses=2]
%val2 = alloca i32 ; <i32*> [#uses=15]
%andt = alloca i32 ; <i32*> [#uses=2]
%ort = alloca i32 ; <i32*> [#uses=2]
%xort = alloca i32 ; <i32*> [#uses=2]
%old = alloca i32 ; <i32*> [#uses=18]
%temp = alloca i32 ; <i32*> [#uses=2]
%temp64 = alloca i64
store i32 %argc, i32* %argc.addr
store i8** %argv, i8*** %argv.addr
store i32 0, i32* %val1
store i32 31, i32* %val2
store i32 3855, i32* %andt
store i32 3855, i32* %ort
store i32 3855, i32* %xort
store i32 4, i32* %temp
%tmp = load i32* %temp
; CHECK: lock
; CHECK: xaddl
%0 = atomicrmw add i32* %val1, i32 %tmp monotonic
store i32 %0, i32* %old
; CHECK: lock
; CHECK: xaddl
%1 = atomicrmw sub i32* %val2, i32 30 monotonic
store i32 %1, i32* %old
; CHECK: lock
; CHECK: xaddl
%2 = atomicrmw add i32* %val2, i32 1 monotonic
store i32 %2, i32* %old
; CHECK: lock
; CHECK: xaddl
%3 = atomicrmw sub i32* %val2, i32 1 monotonic
store i32 %3, i32* %old
; CHECK: andl
; CHECK: lock
; CHECK: cmpxchgl
%4 = atomicrmw and i32* %andt, i32 4080 monotonic
store i32 %4, i32* %old
; CHECK: orl
; CHECK: lock
; CHECK: cmpxchgl
%5 = atomicrmw or i32* %ort, i32 4080 monotonic
store i32 %5, i32* %old
; CHECK: xorl
; CHECK: lock
; CHECK: cmpxchgl
%6 = atomicrmw xor i32* %xort, i32 4080 monotonic
store i32 %6, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%7 = atomicrmw min i32* %val2, i32 16 monotonic
store i32 %7, i32* %old
%neg = sub i32 0, 1 ; <i32> [#uses=1]
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%8 = atomicrmw min i32* %val2, i32 %neg monotonic
store i32 %8, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%9 = atomicrmw max i32* %val2, i32 1 monotonic
store i32 %9, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%10 = atomicrmw max i32* %val2, i32 0 monotonic
store i32 %10, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%11 = atomicrmw umax i32* %val2, i32 65535 monotonic
store i32 %11, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%12 = atomicrmw umax i32* %val2, i32 10 monotonic
store i32 %12, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%13 = atomicrmw umin i32* %val2, i32 1 monotonic
store i32 %13, i32* %old
; CHECK: cmov
; CHECK: lock
; CHECK: cmpxchgl
%14 = atomicrmw umin i32* %val2, i32 10 monotonic
store i32 %14, i32* %old
; CHECK: xchgl %{{.*}}, {{.*}}(%esp)
%15 = atomicrmw xchg i32* %val2, i32 1976 monotonic
store i32 %15, i32* %old
%neg1 = sub i32 0, 10 ; <i32> [#uses=1]
; CHECK: lock
; CHECK: cmpxchgl
%16 = cmpxchg i32* %val2, i32 %neg1, i32 1 monotonic
store i32 %16, i32* %old
; CHECK: lock
; CHECK: cmpxchgl
%17 = cmpxchg i32* %val2, i32 1976, i32 1 monotonic
store i32 %17, i32* %old
; CHECK: movl [[R17atomic:.*]], %eax
; CHECK: movl $1401, %[[R17mask:[a-z]*]]
; CHECK: andl %eax, %[[R17mask]]
; CHECK: notl %[[R17mask]]
; CHECK: lock
; CHECK: cmpxchgl %[[R17mask]], [[R17atomic]]
; CHECK: jne
; CHECK: movl %eax,
%18 = atomicrmw nand i32* %val2, i32 1401 monotonic
store i32 %18, i32* %old
; CHECK: andl
; CHECK: andl
; CHECK: notl
; CHECK: notl
; CHECK: lock
; CHECK: cmpxchg8b
%19 = atomicrmw nand i64* %temp64, i64 17361641481138401520 monotonic
store i64 %19, i64* %temp64
ret void
}
define void @test2(i32 addrspace(256)* nocapture %P) nounwind {
entry:
; CHECK: lock
; CHECK: cmpxchgl %{{.*}}, %gs:(%{{.*}})
%0 = cmpxchg i32 addrspace(256)* %P, i32 0, i32 1 monotonic
ret void
}
|
