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1; RUN: llc < %s -mcpu=generic -mtriple=i686-- -mattr=+cmov,cx16 -verify-machineinstrs | FileCheck %s
2
3target 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"
4
5define void @func(i32 %argc, i8** %argv) nounwind {
6entry:
7	%argc.addr = alloca i32		; <i32*> [#uses=1]
8	%argv.addr = alloca i8**		; <i8***> [#uses=1]
9	%val1 = alloca i32		; <i32*> [#uses=2]
10	%val2 = alloca i32		; <i32*> [#uses=15]
11	%andt = alloca i32		; <i32*> [#uses=2]
12	%ort = alloca i32		; <i32*> [#uses=2]
13	%xort = alloca i32		; <i32*> [#uses=2]
14	%old = alloca i32		; <i32*> [#uses=18]
15	%temp = alloca i32		; <i32*> [#uses=2]
16	%temp64 = alloca i64
17	store i32 %argc, i32* %argc.addr
18	store i8** %argv, i8*** %argv.addr
19	store i32 0, i32* %val1
20	store i32 31, i32* %val2
21	store i32 3855, i32* %andt
22	store i32 3855, i32* %ort
23	store i32 3855, i32* %xort
24	store i32 4, i32* %temp
25	%tmp = load i32, i32* %temp
26        ; CHECK: lock
27        ; CHECK: xaddl
28  %0 = atomicrmw add i32* %val1, i32 %tmp monotonic
29	store i32 %0, i32* %old
30        ; CHECK: lock
31        ; CHECK: xaddl
32  %1 = atomicrmw sub i32* %val2, i32 30 monotonic
33	store i32 %1, i32* %old
34        ; CHECK: lock
35        ; CHECK: xaddl
36  %2 = atomicrmw add i32* %val2, i32 1 monotonic
37	store i32 %2, i32* %old
38        ; CHECK: lock
39        ; CHECK: xaddl
40  %3 = atomicrmw sub i32* %val2, i32 1 monotonic
41	store i32 %3, i32* %old
42        ; CHECK: andl
43        ; CHECK: lock
44        ; CHECK: cmpxchgl
45  %4 = atomicrmw and i32* %andt, i32 4080 monotonic
46	store i32 %4, i32* %old
47        ; CHECK: orl
48        ; CHECK: lock
49        ; CHECK: cmpxchgl
50  %5 = atomicrmw or i32* %ort, i32 4080 monotonic
51	store i32 %5, i32* %old
52        ; CHECK: xorl
53        ; CHECK: lock
54        ; CHECK: cmpxchgl
55  %6 = atomicrmw xor i32* %xort, i32 4080 monotonic
56	store i32 %6, i32* %old
57        ; CHECK: cmov
58        ; CHECK: lock
59        ; CHECK: cmpxchgl
60  %7 = atomicrmw min i32* %val2, i32 16 monotonic
61	store i32 %7, i32* %old
62	%neg = sub i32 0, 1		; <i32> [#uses=1]
63        ; CHECK: cmov
64        ; CHECK: lock
65        ; CHECK: cmpxchgl
66  %8 = atomicrmw min i32* %val2, i32 %neg monotonic
67	store i32 %8, i32* %old
68        ; CHECK: cmov
69        ; CHECK: lock
70        ; CHECK: cmpxchgl
71  %9 = atomicrmw max i32* %val2, i32 1 monotonic
72	store i32 %9, i32* %old
73        ; CHECK: cmov
74        ; CHECK: lock
75        ; CHECK: cmpxchgl
76  %10 = atomicrmw max i32* %val2, i32 0 monotonic
77	store i32 %10, i32* %old
78        ; CHECK: cmov
79        ; CHECK: lock
80        ; CHECK: cmpxchgl
81  %11 = atomicrmw umax i32* %val2, i32 65535 monotonic
82	store i32 %11, i32* %old
83        ; CHECK: cmov
84        ; CHECK: lock
85        ; CHECK: cmpxchgl
86  %12 = atomicrmw umax i32* %val2, i32 10 monotonic
87	store i32 %12, i32* %old
88        ; CHECK: cmov
89        ; CHECK: lock
90        ; CHECK: cmpxchgl
91  %13 = atomicrmw umin i32* %val2, i32 1 monotonic
92	store i32 %13, i32* %old
93        ; CHECK: cmov
94        ; CHECK: lock
95        ; CHECK: cmpxchgl
96  %14 = atomicrmw umin i32* %val2, i32 10 monotonic
97	store i32 %14, i32* %old
98        ; CHECK: xchgl   %{{.*}}, {{.*}}(%esp)
99  %15 = atomicrmw xchg i32* %val2, i32 1976 monotonic
100	store i32 %15, i32* %old
101	%neg1 = sub i32 0, 10		; <i32> [#uses=1]
102        ; CHECK: lock
103        ; CHECK: cmpxchgl
104  %pair16 = cmpxchg i32* %val2, i32 %neg1, i32 1 monotonic monotonic
105  %16 = extractvalue { i32, i1 } %pair16, 0
106	store i32 %16, i32* %old
107        ; CHECK: lock
108        ; CHECK: cmpxchgl
109  %pair17 = cmpxchg i32* %val2, i32 1976, i32 1 monotonic monotonic
110  %17 = extractvalue { i32, i1 } %pair17, 0
111	store i32 %17, i32* %old
112        ; CHECK: movl  [[R17atomic:.*]], %eax
113        ; CHECK: movl %eax, %[[R17mask:[a-z]*]]
114        ; CHECK: notl %[[R17mask]]
115        ; CHECK: orl $-1402, %[[R17mask]]
116        ; CHECK: lock
117        ; CHECK: cmpxchgl	%[[R17mask]], [[R17atomic]]
118        ; CHECK: jne
119        ; CHECK: movl	%eax,
120  %18 = atomicrmw nand i32* %val2, i32 1401 monotonic
121  store i32 %18, i32* %old
122        ; CHECK: notl
123        ; CHECK: notl
124        ; CHECK: orl $252645135
125        ; CHECK: orl $252645135
126        ; CHECK: lock
127        ; CHECK: cmpxchg8b
128  %19 = atomicrmw nand i64* %temp64, i64 17361641481138401520 monotonic
129  store i64 %19, i64* %temp64
130	ret void
131}
132
133define void @test2(i32 addrspace(256)* nocapture %P) nounwind {
134entry:
135; CHECK: lock
136; CHECK:	cmpxchgl	%{{.*}}, %gs:(%{{.*}})
137
138  %pair0 = cmpxchg i32 addrspace(256)* %P, i32 0, i32 1 monotonic monotonic
139  %0 = extractvalue { i32, i1 } %pair0, 0
140  ret void
141}
142