xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/atomic8.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X64
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@sc8 = external global i8
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_add8() nounwind {
7*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_add8:
8*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_add8:
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker; 32-bit
11*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw add  i8* @sc8, i8 1 acquire
12*9880d681SAndroid Build Coastguard Worker; X64:       lock
13*9880d681SAndroid Build Coastguard Worker; X64:       incb
14*9880d681SAndroid Build Coastguard Worker; X32:       lock
15*9880d681SAndroid Build Coastguard Worker; X32:       incb
16*9880d681SAndroid Build Coastguard Worker  %t2 = atomicrmw add  i8* @sc8, i8 3 acquire
17*9880d681SAndroid Build Coastguard Worker; X64:       lock
18*9880d681SAndroid Build Coastguard Worker; X64:       addb $3
19*9880d681SAndroid Build Coastguard Worker; X32:       lock
20*9880d681SAndroid Build Coastguard Worker; X32:       addb $3
21*9880d681SAndroid Build Coastguard Worker  %t3 = atomicrmw add  i8* @sc8, i8 5 acquire
22*9880d681SAndroid Build Coastguard Worker; X64:       lock
23*9880d681SAndroid Build Coastguard Worker; X64:       xaddb
24*9880d681SAndroid Build Coastguard Worker; X32:       lock
25*9880d681SAndroid Build Coastguard Worker; X32:       xaddb
26*9880d681SAndroid Build Coastguard Worker  %t4 = atomicrmw add  i8* @sc8, i8 %t3 acquire
27*9880d681SAndroid Build Coastguard Worker; X64:       lock
28*9880d681SAndroid Build Coastguard Worker; X64:       addb
29*9880d681SAndroid Build Coastguard Worker; X32:       lock
30*9880d681SAndroid Build Coastguard Worker; X32:       addb
31*9880d681SAndroid Build Coastguard Worker  ret void
32*9880d681SAndroid Build Coastguard Worker; X64:       ret
33*9880d681SAndroid Build Coastguard Worker; X32:       ret
34*9880d681SAndroid Build Coastguard Worker}
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_sub8() nounwind {
37*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_sub8:
38*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_sub8:
39*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw sub  i8* @sc8, i8 1 acquire
40*9880d681SAndroid Build Coastguard Worker; X64:       lock
41*9880d681SAndroid Build Coastguard Worker; X64:       decb
42*9880d681SAndroid Build Coastguard Worker; X32:       lock
43*9880d681SAndroid Build Coastguard Worker; X32:       decb
44*9880d681SAndroid Build Coastguard Worker  %t2 = atomicrmw sub  i8* @sc8, i8 3 acquire
45*9880d681SAndroid Build Coastguard Worker; X64:       lock
46*9880d681SAndroid Build Coastguard Worker; X64:       subb $3
47*9880d681SAndroid Build Coastguard Worker; X32:       lock
48*9880d681SAndroid Build Coastguard Worker; X32:       subb $3
49*9880d681SAndroid Build Coastguard Worker  %t3 = atomicrmw sub  i8* @sc8, i8 5 acquire
50*9880d681SAndroid Build Coastguard Worker; X64:       lock
51*9880d681SAndroid Build Coastguard Worker; X64:       xaddb
52*9880d681SAndroid Build Coastguard Worker; X32:       lock
53*9880d681SAndroid Build Coastguard Worker; X32:       xaddb
54*9880d681SAndroid Build Coastguard Worker  %t4 = atomicrmw sub  i8* @sc8, i8 %t3 acquire
55*9880d681SAndroid Build Coastguard Worker; X64:       lock
56*9880d681SAndroid Build Coastguard Worker; X64:       subb
57*9880d681SAndroid Build Coastguard Worker; X32:       lock
58*9880d681SAndroid Build Coastguard Worker; X32:       subb
59*9880d681SAndroid Build Coastguard Worker  ret void
60*9880d681SAndroid Build Coastguard Worker; X64:       ret
61*9880d681SAndroid Build Coastguard Worker; X32:       ret
62*9880d681SAndroid Build Coastguard Worker}
63*9880d681SAndroid Build Coastguard Worker
64*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_and8() nounwind {
65*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_and8:
66*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_and8:
67*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw and  i8* @sc8, i8 3 acquire
68*9880d681SAndroid Build Coastguard Worker; X64:       lock
69*9880d681SAndroid Build Coastguard Worker; X64:       andb $3
70*9880d681SAndroid Build Coastguard Worker; X32:       lock
71*9880d681SAndroid Build Coastguard Worker; X32:       andb $3
72*9880d681SAndroid Build Coastguard Worker  %t2 = atomicrmw and  i8* @sc8, i8 5 acquire
73*9880d681SAndroid Build Coastguard Worker; X64:       andb
74*9880d681SAndroid Build Coastguard Worker; X64:       lock
75*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
76*9880d681SAndroid Build Coastguard Worker; X32:       andb
77*9880d681SAndroid Build Coastguard Worker; X32:       lock
78*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
79*9880d681SAndroid Build Coastguard Worker  %t3 = atomicrmw and  i8* @sc8, i8 %t2 acquire
80*9880d681SAndroid Build Coastguard Worker; X64:       lock
81*9880d681SAndroid Build Coastguard Worker; X64:       andb
82*9880d681SAndroid Build Coastguard Worker; X32:       lock
83*9880d681SAndroid Build Coastguard Worker; X32:       andb
84*9880d681SAndroid Build Coastguard Worker  ret void
85*9880d681SAndroid Build Coastguard Worker; X64:       ret
86*9880d681SAndroid Build Coastguard Worker; X32:       ret
87*9880d681SAndroid Build Coastguard Worker}
88*9880d681SAndroid Build Coastguard Worker
89*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_or8() nounwind {
90*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_or8:
91*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_or8:
92*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw or   i8* @sc8, i8 3 acquire
93*9880d681SAndroid Build Coastguard Worker; X64:       lock
94*9880d681SAndroid Build Coastguard Worker; X64:       orb $3
95*9880d681SAndroid Build Coastguard Worker; X32:       lock
96*9880d681SAndroid Build Coastguard Worker; X32:       orb $3
97*9880d681SAndroid Build Coastguard Worker  %t2 = atomicrmw or   i8* @sc8, i8 5 acquire
98*9880d681SAndroid Build Coastguard Worker; X64:       orb
99*9880d681SAndroid Build Coastguard Worker; X64:       lock
100*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
101*9880d681SAndroid Build Coastguard Worker; X32:       orb
102*9880d681SAndroid Build Coastguard Worker; X32:       lock
103*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
104*9880d681SAndroid Build Coastguard Worker  %t3 = atomicrmw or   i8* @sc8, i8 %t2 acquire
105*9880d681SAndroid Build Coastguard Worker; X64:       lock
106*9880d681SAndroid Build Coastguard Worker; X64:       orb
107*9880d681SAndroid Build Coastguard Worker; X32:       lock
108*9880d681SAndroid Build Coastguard Worker; X32:       orb
109*9880d681SAndroid Build Coastguard Worker  ret void
110*9880d681SAndroid Build Coastguard Worker; X64:       ret
111*9880d681SAndroid Build Coastguard Worker; X32:       ret
112*9880d681SAndroid Build Coastguard Worker}
113*9880d681SAndroid Build Coastguard Worker
114*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_xor8() nounwind {
115*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_xor8:
116*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_xor8:
117*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw xor  i8* @sc8, i8 3 acquire
118*9880d681SAndroid Build Coastguard Worker; X64:       lock
119*9880d681SAndroid Build Coastguard Worker; X64:       xorb $3
120*9880d681SAndroid Build Coastguard Worker; X32:       lock
121*9880d681SAndroid Build Coastguard Worker; X32:       xorb $3
122*9880d681SAndroid Build Coastguard Worker  %t2 = atomicrmw xor  i8* @sc8, i8 5 acquire
123*9880d681SAndroid Build Coastguard Worker; X64:       xorb
124*9880d681SAndroid Build Coastguard Worker; X64:       lock
125*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
126*9880d681SAndroid Build Coastguard Worker; X32:       xorb
127*9880d681SAndroid Build Coastguard Worker; X32:       lock
128*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
129*9880d681SAndroid Build Coastguard Worker  %t3 = atomicrmw xor  i8* @sc8, i8 %t2 acquire
130*9880d681SAndroid Build Coastguard Worker; X64:       lock
131*9880d681SAndroid Build Coastguard Worker; X64:       xorb
132*9880d681SAndroid Build Coastguard Worker; X32:       lock
133*9880d681SAndroid Build Coastguard Worker; X32:       xorb
134*9880d681SAndroid Build Coastguard Worker  ret void
135*9880d681SAndroid Build Coastguard Worker; X64:       ret
136*9880d681SAndroid Build Coastguard Worker; X32:       ret
137*9880d681SAndroid Build Coastguard Worker}
138*9880d681SAndroid Build Coastguard Worker
139*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_nand8(i8 %x) nounwind {
140*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_nand8:
141*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_nand8:
142*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw nand i8* @sc8, i8 %x acquire
143*9880d681SAndroid Build Coastguard Worker; X64:       andb
144*9880d681SAndroid Build Coastguard Worker; X64:       notb
145*9880d681SAndroid Build Coastguard Worker; X64:       lock
146*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
147*9880d681SAndroid Build Coastguard Worker; X32:       andb
148*9880d681SAndroid Build Coastguard Worker; X32:       notb
149*9880d681SAndroid Build Coastguard Worker; X32:       lock
150*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
151*9880d681SAndroid Build Coastguard Worker  ret void
152*9880d681SAndroid Build Coastguard Worker; X64:       ret
153*9880d681SAndroid Build Coastguard Worker; X32:       ret
154*9880d681SAndroid Build Coastguard Worker}
155*9880d681SAndroid Build Coastguard Worker
156*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_max8(i8 %x) nounwind {
157*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_max8:
158*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_max8:
159*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw max  i8* @sc8, i8 %x acquire
160*9880d681SAndroid Build Coastguard Worker; X64:       movb
161*9880d681SAndroid Build Coastguard Worker; X64:       movb
162*9880d681SAndroid Build Coastguard Worker; X64:       subb
163*9880d681SAndroid Build Coastguard Worker; X64:       lock
164*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
165*9880d681SAndroid Build Coastguard Worker
166*9880d681SAndroid Build Coastguard Worker; X32:       movb
167*9880d681SAndroid Build Coastguard Worker; X32:       movb
168*9880d681SAndroid Build Coastguard Worker; X32:       subb
169*9880d681SAndroid Build Coastguard Worker; X32:       lock
170*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
171*9880d681SAndroid Build Coastguard Worker  ret void
172*9880d681SAndroid Build Coastguard Worker; X64:       ret
173*9880d681SAndroid Build Coastguard Worker; X32:       ret
174*9880d681SAndroid Build Coastguard Worker}
175*9880d681SAndroid Build Coastguard Worker
176*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_min8(i8 %x) nounwind {
177*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_min8:
178*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_min8:
179*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw min  i8* @sc8, i8 %x acquire
180*9880d681SAndroid Build Coastguard Worker; X64:       movb
181*9880d681SAndroid Build Coastguard Worker; X64:       movb
182*9880d681SAndroid Build Coastguard Worker; X64:       subb
183*9880d681SAndroid Build Coastguard Worker; X64:       lock
184*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
185*9880d681SAndroid Build Coastguard Worker
186*9880d681SAndroid Build Coastguard Worker; X32:       movb
187*9880d681SAndroid Build Coastguard Worker; X32:       movb
188*9880d681SAndroid Build Coastguard Worker; X32:       subb
189*9880d681SAndroid Build Coastguard Worker; X32:       lock
190*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
191*9880d681SAndroid Build Coastguard Worker  ret void
192*9880d681SAndroid Build Coastguard Worker; X64:       ret
193*9880d681SAndroid Build Coastguard Worker; X32:       ret
194*9880d681SAndroid Build Coastguard Worker}
195*9880d681SAndroid Build Coastguard Worker
196*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_umax8(i8 %x) nounwind {
197*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_umax8:
198*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_umax8:
199*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw umax i8* @sc8, i8 %x acquire
200*9880d681SAndroid Build Coastguard Worker; X64:       movb
201*9880d681SAndroid Build Coastguard Worker; X64:       movb
202*9880d681SAndroid Build Coastguard Worker; X64:       subb
203*9880d681SAndroid Build Coastguard Worker; X64:       lock
204*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
205*9880d681SAndroid Build Coastguard Worker
206*9880d681SAndroid Build Coastguard Worker; X32:       movb
207*9880d681SAndroid Build Coastguard Worker; X32:       movb
208*9880d681SAndroid Build Coastguard Worker; X32:       subb
209*9880d681SAndroid Build Coastguard Worker; X32:       lock
210*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
211*9880d681SAndroid Build Coastguard Worker  ret void
212*9880d681SAndroid Build Coastguard Worker; X64:       ret
213*9880d681SAndroid Build Coastguard Worker; X32:       ret
214*9880d681SAndroid Build Coastguard Worker}
215*9880d681SAndroid Build Coastguard Worker
216*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_umin8(i8 %x) nounwind {
217*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_umin8:
218*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_umin8:
219*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw umin i8* @sc8, i8 %x acquire
220*9880d681SAndroid Build Coastguard Worker; X64:       movb
221*9880d681SAndroid Build Coastguard Worker; X64:       movb
222*9880d681SAndroid Build Coastguard Worker; X64:       subb
223*9880d681SAndroid Build Coastguard Worker; X64:       lock
224*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
225*9880d681SAndroid Build Coastguard Worker
226*9880d681SAndroid Build Coastguard Worker; X32:       movb
227*9880d681SAndroid Build Coastguard Worker; X32:       movb
228*9880d681SAndroid Build Coastguard Worker; X32:       subb
229*9880d681SAndroid Build Coastguard Worker; X32:       lock
230*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
231*9880d681SAndroid Build Coastguard Worker  ret void
232*9880d681SAndroid Build Coastguard Worker; X64:       ret
233*9880d681SAndroid Build Coastguard Worker; X32:       ret
234*9880d681SAndroid Build Coastguard Worker}
235*9880d681SAndroid Build Coastguard Worker
236*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_cmpxchg8() nounwind {
237*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_cmpxchg8:
238*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_cmpxchg8:
239*9880d681SAndroid Build Coastguard Worker  %t1 = cmpxchg i8* @sc8, i8 0, i8 1 acquire acquire
240*9880d681SAndroid Build Coastguard Worker; X64:       lock
241*9880d681SAndroid Build Coastguard Worker; X64:       cmpxchgb
242*9880d681SAndroid Build Coastguard Worker; X32:       lock
243*9880d681SAndroid Build Coastguard Worker; X32:       cmpxchgb
244*9880d681SAndroid Build Coastguard Worker  ret void
245*9880d681SAndroid Build Coastguard Worker; X64:       ret
246*9880d681SAndroid Build Coastguard Worker; X32:       ret
247*9880d681SAndroid Build Coastguard Worker}
248*9880d681SAndroid Build Coastguard Worker
249*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_store8(i8 %x) nounwind {
250*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_store8:
251*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_store8:
252*9880d681SAndroid Build Coastguard Worker  store atomic i8 %x, i8* @sc8 release, align 4
253*9880d681SAndroid Build Coastguard Worker; X64-NOT:   lock
254*9880d681SAndroid Build Coastguard Worker; X64:       movb
255*9880d681SAndroid Build Coastguard Worker; X32-NOT:   lock
256*9880d681SAndroid Build Coastguard Worker; X32:       movb
257*9880d681SAndroid Build Coastguard Worker  ret void
258*9880d681SAndroid Build Coastguard Worker; X64:       ret
259*9880d681SAndroid Build Coastguard Worker; X32:       ret
260*9880d681SAndroid Build Coastguard Worker}
261*9880d681SAndroid Build Coastguard Worker
262*9880d681SAndroid Build Coastguard Workerdefine void @atomic_fetch_swap8(i8 %x) nounwind {
263*9880d681SAndroid Build Coastguard Worker; X64-LABEL:   atomic_fetch_swap8:
264*9880d681SAndroid Build Coastguard Worker; X32-LABEL:   atomic_fetch_swap8:
265*9880d681SAndroid Build Coastguard Worker  %t1 = atomicrmw xchg i8* @sc8, i8 %x acquire
266*9880d681SAndroid Build Coastguard Worker; X64-NOT:   lock
267*9880d681SAndroid Build Coastguard Worker; X64:       xchgb
268*9880d681SAndroid Build Coastguard Worker; X32-NOT:   lock
269*9880d681SAndroid Build Coastguard Worker; X32:       xchgb
270*9880d681SAndroid Build Coastguard Worker  ret void
271*9880d681SAndroid Build Coastguard Worker; X64:       ret
272*9880d681SAndroid Build Coastguard Worker; X32:       ret
273*9880d681SAndroid Build Coastguard Worker}
274