xref: /llvm-project/llvm/test/Transforms/CrossDSOCFI/basic.ll (revision 055fb7795aa219a3d274d280ec9129784f169f56) 
1; RUN: opt -S -passes=cross-dso-cfi < %s | FileCheck %s
2
3; CHECK:     define void @__cfi_check(i64 %[[TYPE:.*]], ptr %[[ADDR:.*]], ptr %[[DATA:.*]]) align 4096
4; CHECK:     switch i64 %[[TYPE]], label %[[FAIL:.*]] [
5; CHECK-NEXT:   i64 111, label %[[L1:.*]]
6; CHECK-NEXT:   i64 222, label %[[L2:.*]]
7; CHECK-NEXT:   i64 333, label %[[L3:.*]]
8; CHECK-NEXT:   i64 444, label %[[L4:.*]]
9; CHECK-NEXT: {{]$}}
10
11; CHECK:     [[EXIT:.*]]:
12; CHECK-NEXT:   ret void
13
14; CHECK:     [[FAIL]]:
15; CHECK-NEXT:   call void @__cfi_check_fail(ptr %[[DATA]], ptr %[[ADDR]])
16; CHECK-NEXT:   br label %[[EXIT]]
17
18; CHECK:     [[L1]]:
19; CHECK-NEXT:   call i1 @llvm.type.test(ptr %[[ADDR]], metadata i64 111)
20; CHECK-NEXT:   br {{.*}} label %[[EXIT]], label %[[FAIL]]
21
22; CHECK:     [[L2]]:
23; CHECK-NEXT:   call i1 @llvm.type.test(ptr %[[ADDR]], metadata i64 222)
24; CHECK-NEXT:   br {{.*}} label %[[EXIT]], label %[[FAIL]]
25
26; CHECK:     [[L3]]:
27; CHECK-NEXT:   call i1 @llvm.type.test(ptr %[[ADDR]], metadata i64 333)
28; CHECK-NEXT:   br {{.*}} label %[[EXIT]], label %[[FAIL]]
29
30; CHECK:     [[L4]]:
31; CHECK-NEXT:   call i1 @llvm.type.test(ptr %[[ADDR]], metadata i64 444)
32; CHECK-NEXT:   br {{.*}} label %[[EXIT]], label %[[FAIL]]
33
34target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
35target triple = "x86_64-unknown-linux-gnu"
36
37@_ZTV1A = constant i8 0, !type !4, !type !5
38@_ZTV1B = constant i8 0, !type !4, !type !5, !type !6, !type !7
39
40define signext i8 @f11() !type !0 !type !1 {
41entry:
42  ret i8 1
43}
44
45define signext i8 @f12() !type !0 !type !1 {
46entry:
47  ret i8 2
48}
49
50define signext i8 @f13() !type !0 !type !1 {
51entry:
52  ret i8 3
53}
54
55define i32 @f21() !type !2 !type !3 {
56entry:
57  ret i32 4
58}
59
60define i32 @f22() !type !2 !type !3 {
61entry:
62  ret i32 5
63}
64
65define weak_odr hidden void @__cfi_check_fail(ptr, ptr) {
66entry:
67  ret void
68}
69
70!llvm.module.flags = !{!8}
71
72!0 = !{i64 0, !"_ZTSFcvE"}
73!1 = !{i64 0, i64 111}
74!2 = !{i64 0, !"_ZTSFivE"}
75!3 = !{i64 0, i64 222}
76!4 = !{i64 16, !"_ZTS1A"}
77!5 = !{i64 16, i64 333}
78!6 = !{i64 16, !"_ZTS1B"}
79!7 = !{i64 16, i64 444}
80!8 = !{i32 4, !"Cross-DSO CFI", i32 1}
81