xref: /aosp_15_r20/external/llvm/test/Verifier/dereferenceable-md.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare i8* @foo()
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @f1() {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  call i8* @foo(), !dereferenceable !{i64 2}
8*9880d681SAndroid Build Coastguard Worker  ret void
9*9880d681SAndroid Build Coastguard Worker}
10*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null apply only to load instructions, use attributes for calls or invokes
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call i8* @foo()
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine void @f2() {
14*9880d681SAndroid Build Coastguard Workerentry:
15*9880d681SAndroid Build Coastguard Worker  call i8* @foo(), !dereferenceable_or_null !{i64 2}
16*9880d681SAndroid Build Coastguard Worker  ret void
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null apply only to load instructions, use attributes for calls or invokes
19*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call i8* @foo()
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdefine i8 @f3(i8* %x) {
22*9880d681SAndroid Build Coastguard Workerentry:
23*9880d681SAndroid Build Coastguard Worker  %y = load i8, i8* %x, !dereferenceable !{i64 2}
24*9880d681SAndroid Build Coastguard Worker  ret i8 %y
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null apply only to pointer types
27*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8, i8* %x
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerdefine i8 @f4(i8* %x) {
30*9880d681SAndroid Build Coastguard Workerentry:
31*9880d681SAndroid Build Coastguard Worker  %y = load i8, i8* %x, !dereferenceable_or_null !{i64 2}
32*9880d681SAndroid Build Coastguard Worker  ret i8 %y
33*9880d681SAndroid Build Coastguard Worker}
34*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null apply only to pointer types
35*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8, i8* %x
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerdefine i8* @f5(i8** %x) {
38*9880d681SAndroid Build Coastguard Workerentry:
39*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable !{}
40*9880d681SAndroid Build Coastguard Worker  ret i8* %y
41*9880d681SAndroid Build Coastguard Worker}
42*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null take one operand
43*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Workerdefine i8* @f6(i8** %x) {
47*9880d681SAndroid Build Coastguard Workerentry:
48*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable_or_null !{}
49*9880d681SAndroid Build Coastguard Worker  ret i8* %y
50*9880d681SAndroid Build Coastguard Worker}
51*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null take one operand
52*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Workerdefine i8* @f7(i8** %x) {
55*9880d681SAndroid Build Coastguard Workerentry:
56*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable !{!"str"}
57*9880d681SAndroid Build Coastguard Worker  ret i8* %y
58*9880d681SAndroid Build Coastguard Worker}
59*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
60*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x
61*9880d681SAndroid Build Coastguard Worker
62*9880d681SAndroid Build Coastguard Worker
63*9880d681SAndroid Build Coastguard Workerdefine i8* @f8(i8** %x) {
64*9880d681SAndroid Build Coastguard Workerentry:
65*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable_or_null !{!"str"}
66*9880d681SAndroid Build Coastguard Worker  ret i8* %y
67*9880d681SAndroid Build Coastguard Worker}
68*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
69*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x
70*9880d681SAndroid Build Coastguard Worker
71*9880d681SAndroid Build Coastguard Workerdefine i8* @f9(i8** %x) {
72*9880d681SAndroid Build Coastguard Workerentry:
73*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable !{i32 2}
74*9880d681SAndroid Build Coastguard Worker  ret i8* %y
75*9880d681SAndroid Build Coastguard Worker}
76*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
77*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x
78*9880d681SAndroid Build Coastguard Worker
79*9880d681SAndroid Build Coastguard Worker
80*9880d681SAndroid Build Coastguard Workerdefine i8* @f10(i8** %x) {
81*9880d681SAndroid Build Coastguard Workerentry:
82*9880d681SAndroid Build Coastguard Worker  %y = load i8*, i8** %x, !dereferenceable_or_null !{i32 2}
83*9880d681SAndroid Build Coastguard Worker  ret i8* %y
84*9880d681SAndroid Build Coastguard Worker}
85*9880d681SAndroid Build Coastguard Worker; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
86*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i8*, i8** %x