1; RUN: verify-uselistorder < %s
2
3@a = global [4 x i1] [i1 0, i1 1, i1 0, i1 1]
4@b = alias i1, getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)
5
6; Check use-list order of constants used by globals.
7@glob1 = global i5 7
8@glob2 = global i5 7
9@glob3 = global i5 7
10
11; Check use-list order between variables and aliases.
12@target = global i3 zeroinitializer
13@alias1 = alias i3, i3* @target
14@alias2 = alias i3, i3* @target
15@alias3 = alias i3, i3* @target
16@var1 = global i3* @target
17@var2 = global i3* @target
18@var3 = global i3* @target
19
20; Check use-list order for a global when used both by a global and in a
21; function.
22@globalAndFunction = global i4 4
23@globalAndFunctionGlobalUser = global i4* @globalAndFunction
24
25; Check use-list order for constants used by globals that are themselves used
26; as aliases.  This confirms that this globals are recognized as GlobalValues
27; (not general constants).
28@const.global = global i63 0
29@const.global.ptr = global i63* @const.global
30@const.global.2 = global i63 0
31
32; Same as above, but for aliases.
33@const.target = global i62 1
34@const.alias = alias i62, i62* @const.target
35@const.alias.ptr = alias i62, i62* @const.alias
36@const.alias.2 = alias i62, i62* @const.target
37
38define i64 @f(i64 %f) {
39entry:
40  %sum = add i64 %f, 0
41  ret i64 %sum
42}
43
44define i64 @g(i64 %g) {
45entry:
46  %sum = add i64 %g, 0
47  ret i64 %sum
48}
49
50define i64 @h(i64 %h) {
51entry:
52  %sum = add i64 %h, 0
53  ret i64 %sum
54}
55
56define i64 @i(i64 %i) {
57entry:
58  %sum = add i64 %i, 1
59  ret i64 %sum
60}
61
62define i64 @j(i64 %j) {
63entry:
64  %sum = add i64 %j, 1
65  ret i64 %sum
66}
67
68define i64 @k(i64 %k) {
69entry:
70  %sum = add i64 %k, 1
71  ret i64 %sum
72}
73
74define i64 @l(i64 %l) {
75entry:
76  %sum = add i64 %l, 1
77  ret i64 %sum
78}
79
80define i1 @loadb() {
81entry:
82  %b = load i1, i1* @b
83  ret i1 %b
84}
85
86define i1 @loada() {
87entry:
88  %a = load i1, i1* getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)
89  ret i1 %a
90}
91
92define i32 @f32(i32 %a, i32 %b, i32 %c, i32 %d) {
93entry:
94  br label %first
95
96second:
97  %eh = mul i32 %e, %h
98  %sum = add i32 %eh, %ef
99  br label %exit
100
101exit:
102  %product = phi i32 [%ef, %first], [%sum, %second]
103  ret i32 %product
104
105first:
106  %e = add i32 %a, 7
107  %f = add i32 %b, 7
108  %g = add i32 %c, 8
109  %h = add i32 %d, 8
110  %ef = mul i32 %e, %f
111  %gh = mul i32 %g, %h
112  %gotosecond = icmp slt i32 %gh, -9
113  br i1 %gotosecond, label %second, label %exit
114}
115
116define i4 @globalAndFunctionFunctionUser() {
117entry:
118  %local = load i4, i4* @globalAndFunction
119  ret i4 %local
120}
121
122; Check for when an instruction is its own user.
123define void @selfUser(i1 %a) {
124entry:
125  ret void
126
127loop1:
128  br label %loop2
129
130loop2:
131  %var = phi i32 [ %var, %loop1 ], [ %var, %loop2 ]
132  br label %loop2
133}
134
135; Check that block addresses work.
136@ba1 = constant i8* blockaddress (@bafunc1, %bb)
137@ba2 = constant i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
138@ba3 = constant i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
139
140define i8* @babefore() {
141  ret i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
142bb1:
143  ret i8* blockaddress (@bafunc1, %bb)
144bb2:
145  ret i8* blockaddress (@bafunc3, %bb)
146}
147define void @bafunc1() {
148  unreachable
149bb:
150  unreachable
151}
152define void @bafunc2() {
153  unreachable
154bb:
155  unreachable
156}
157define void @bafunc3() {
158  unreachable
159bb:
160  unreachable
161}
162define i8* @baafter() {
163  ret i8* blockaddress (@bafunc2, %bb)
164bb1:
165  ret i8* blockaddress (@bafunc1, %bb)
166bb2:
167  ret i8* blockaddress (@bafunc3, %bb)
168}
169