| blob | 896825fcda8a81f2db86caf646abf167d31d3ecf |
1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; Make sure that a negative value for the compare-and-swap is zero extended
3 ; from i8/i16 to i32 since it will be compared for equality.
4 ; RUN: llc -mtriple=powerpc64le-linux-gnu -verify-machineinstrs < %s | FileCheck %s
5 ; RUN: llc -mtriple=powerpc64le-linux-gnu -mcpu=pwr7 -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-P7
7 @str = private unnamed_addr constant [46 x i8] c"FAILED: __atomic_compare_exchange_n() failed.\00"
8 @str.1 = private unnamed_addr constant [59 x i8] c"FAILED: __atomic_compare_exchange_n() set the wrong value.\00"
9 @str.2 = private unnamed_addr constant [7 x i8] c"PASSED\00"
11 define signext i32 @main() nounwind {
12 ; CHECK-LABEL: main:
13 ; CHECK: # %bb.0: # %L.entry
14 ; CHECK-NEXT: mflr 0
15 ; CHECK-NEXT: stdu 1, -48(1)
16 ; CHECK-NEXT: li 3, -32477
17 ; CHECK-NEXT: std 0, 64(1)
18 ; CHECK-NEXT: li 4, 234
19 ; CHECK-NEXT: addi 6, 1, 46
20 ; CHECK-NEXT: sth 3, 46(1)
21 ; CHECK-NEXT: lis 3, 0
22 ; CHECK-NEXT: sync
23 ; CHECK-NEXT: ori 3, 3, 33059
24 ; CHECK-NEXT: .LBB0_1: # %L.entry
25 ; CHECK-NEXT: #
26 ; CHECK-NEXT: lharx 5, 0, 6
27 ; CHECK-NEXT: cmpw 5, 3
28 ; CHECK-NEXT: bne 0, .LBB0_3
29 ; CHECK-NEXT: # %bb.2: # %L.entry
30 ; CHECK-NEXT: #
31 ; CHECK-NEXT: sthcx. 4, 0, 6
32 ; CHECK-NEXT: bne 0, .LBB0_1
33 ; CHECK-NEXT: .LBB0_3: # %L.entry
34 ; CHECK-NEXT: cmplwi 5, 33059
35 ; CHECK-NEXT: lwsync
36 ; CHECK-NEXT: bne 0, .LBB0_6
37 ; CHECK-NEXT: # %bb.4: # %L.B0000
38 ; CHECK-NEXT: lhz 3, 46(1)
39 ; CHECK-NEXT: cmplwi 3, 234
40 ; CHECK-NEXT: bne 0, .LBB0_7
41 ; CHECK-NEXT: # %bb.5: # %L.B0001
42 ; CHECK-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
43 ; CHECK-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
44 ; CHECK-NEXT: bl puts
45 ; CHECK-NEXT: nop
46 ; CHECK-NEXT: li 3, 0
47 ; CHECK-NEXT: b .LBB0_9
48 ; CHECK-NEXT: .LBB0_6: # %L.B0003
49 ; CHECK-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
50 ; CHECK-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
51 ; CHECK-NEXT: addi 3, 3, 7
52 ; CHECK-NEXT: b .LBB0_8
53 ; CHECK-NEXT: .LBB0_7: # %L.B0005
54 ; CHECK-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
55 ; CHECK-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
56 ; CHECK-NEXT: addi 3, 3, 53
57 ; CHECK-NEXT: .LBB0_8: # %L.B0003
58 ; CHECK-NEXT: bl puts
59 ; CHECK-NEXT: nop
60 ; CHECK-NEXT: li 3, 1
61 ; CHECK-NEXT: .LBB0_9: # %L.B0003
62 ; CHECK-NEXT: addi 1, 1, 48
63 ; CHECK-NEXT: ld 0, 16(1)
64 ; CHECK-NEXT: mtlr 0
65 ; CHECK-NEXT: blr
66 ;
67 ; CHECK-P7-LABEL: main:
68 ; CHECK-P7: # %bb.0: # %L.entry
69 ; CHECK-P7-NEXT: mflr 0
70 ; CHECK-P7-NEXT: stdu 1, -48(1)
71 ; CHECK-P7-NEXT: li 3, -32477
72 ; CHECK-P7-NEXT: std 0, 64(1)
73 ; CHECK-P7-NEXT: addi 4, 1, 46
74 ; CHECK-P7-NEXT: li 6, 234
75 ; CHECK-P7-NEXT: sth 3, 46(1)
76 ; CHECK-P7-NEXT: lis 3, 0
77 ; CHECK-P7-NEXT: sync
78 ; CHECK-P7-NEXT: ori 5, 3, 33059
79 ; CHECK-P7-NEXT: rlwinm 3, 4, 3, 27, 27
80 ; CHECK-P7-NEXT: rldicr 4, 4, 0, 61
81 ; CHECK-P7-NEXT: slw 7, 5, 3
82 ; CHECK-P7-NEXT: li 5, 0
83 ; CHECK-P7-NEXT: slw 6, 6, 3
84 ; CHECK-P7-NEXT: ori 5, 5, 65535
85 ; CHECK-P7-NEXT: slw 5, 5, 3
86 ; CHECK-P7-NEXT: and 6, 6, 5
87 ; CHECK-P7-NEXT: and 7, 7, 5
88 ; CHECK-P7-NEXT: .LBB0_1: # %L.entry
89 ; CHECK-P7-NEXT: #
90 ; CHECK-P7-NEXT: lwarx 9, 0, 4
91 ; CHECK-P7-NEXT: and 8, 9, 5
92 ; CHECK-P7-NEXT: cmpw 8, 7
93 ; CHECK-P7-NEXT: bne 0, .LBB0_3
94 ; CHECK-P7-NEXT: # %bb.2: # %L.entry
95 ; CHECK-P7-NEXT: #
96 ; CHECK-P7-NEXT: andc 9, 9, 5
97 ; CHECK-P7-NEXT: or 9, 9, 6
98 ; CHECK-P7-NEXT: stwcx. 9, 0, 4
99 ; CHECK-P7-NEXT: bne 0, .LBB0_1
100 ; CHECK-P7-NEXT: .LBB0_3: # %L.entry
101 ; CHECK-P7-NEXT: srw 3, 8, 3
102 ; CHECK-P7-NEXT: lwsync
103 ; CHECK-P7-NEXT: cmplwi 3, 33059
104 ; CHECK-P7-NEXT: bne 0, .LBB0_6
105 ; CHECK-P7-NEXT: # %bb.4: # %L.B0000
106 ; CHECK-P7-NEXT: lhz 3, 46(1)
107 ; CHECK-P7-NEXT: cmplwi 3, 234
108 ; CHECK-P7-NEXT: bne 0, .LBB0_7
109 ; CHECK-P7-NEXT: # %bb.5: # %L.B0001
110 ; CHECK-P7-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
111 ; CHECK-P7-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
112 ; CHECK-P7-NEXT: bl puts
113 ; CHECK-P7-NEXT: nop
114 ; CHECK-P7-NEXT: li 3, 0
115 ; CHECK-P7-NEXT: b .LBB0_9
116 ; CHECK-P7-NEXT: .LBB0_6: # %L.B0003
117 ; CHECK-P7-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
118 ; CHECK-P7-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
119 ; CHECK-P7-NEXT: addi 3, 3, 7
120 ; CHECK-P7-NEXT: b .LBB0_8
121 ; CHECK-P7-NEXT: .LBB0_7: # %L.B0005
122 ; CHECK-P7-NEXT: addis 3, 2, .L__ModuleStringPool@toc@ha
123 ; CHECK-P7-NEXT: addi 3, 3, .L__ModuleStringPool@toc@l
124 ; CHECK-P7-NEXT: addi 3, 3, 53
125 ; CHECK-P7-NEXT: .LBB0_8: # %L.B0003
126 ; CHECK-P7-NEXT: bl puts
127 ; CHECK-P7-NEXT: nop
128 ; CHECK-P7-NEXT: li 3, 1
129 ; CHECK-P7-NEXT: .LBB0_9: # %L.B0003
130 ; CHECK-P7-NEXT: addi 1, 1, 48
131 ; CHECK-P7-NEXT: ld 0, 16(1)
132 ; CHECK-P7-NEXT: mtlr 0
133 ; CHECK-P7-NEXT: blr
134 L.entry:
135 %value.addr = alloca i16, align 2
136 store i16 -32477, ptr %value.addr, align 2
137 %0 = cmpxchg ptr %value.addr, i16 -32477, i16 234 seq_cst seq_cst
138 %1 = extractvalue { i16, i1 } %0, 1
139 br i1 %1, label %L.B0000, label %L.B0003
141 L.B0003: ; preds = %L.entry
142 %puts = call i32 @puts(ptr @str)
143 ret i32 1
145 L.B0000: ; preds = %L.entry
146 %2 = load i16, ptr %value.addr, align 2
147 %3 = icmp eq i16 %2, 234
148 br i1 %3, label %L.B0001, label %L.B0005
150 L.B0005: ; preds = %L.B0000
151 %puts1 = call i32 @puts(ptr @str.1)
152 ret i32 1
154 L.B0001: ; preds = %L.B0000
155 %puts2 = call i32 @puts(ptr @str.2)
156 ret i32 0
157 }
159 ; Function Attrs: nounwind
160 declare i32 @puts(ptr nocapture readonly) #0