xref: /llvm-project/llvm/test/CodeGen/X86/addrsig.ll (revision 739ea090323ad50104a2a22e6da3e326d372e2ba)
1; RUN: llc < %s -mtriple=x86_64-unknown-linux | FileCheck --check-prefix=NO-ADDRSIG %s
2; RUN: llc < %s -mtriple=x86_64-unknown-linux -addrsig | FileCheck %s
3; RUN: llc %s -filetype=obj -mtriple=x86_64-unknown-linux -addrsig -o %t
4; RUN: llvm-readobj --addrsig %t | FileCheck %s --check-prefix=SYM
5
6; NO-ADDRSIG-NOT: .addrsig
7
8; SYM:      Addrsig [
9; SYM-NEXT:   Sym: f1
10; SYM-NEXT:   Sym: metadata_f2
11; SYM-NEXT:   Sym: g1
12; SYM-NEXT:   Sym: a1
13; SYM-NEXT:   Sym: i1
14; SYM-NEXT: ]
15
16; CHECK: .addrsig
17
18; CHECK: .addrsig_sym f1
19define ptr @f1() {
20  %f1 = bitcast ptr @f1 to ptr
21  %f2 = bitcast ptr @f2 to ptr
22  %f3 = bitcast ptr @f3 to ptr
23  %g1 = bitcast ptr @g1 to ptr
24  %g2 = bitcast ptr @g2 to ptr
25  %g3 = bitcast ptr @g3 to ptr
26  %dllimport = bitcast ptr @dllimport to ptr
27  %tls = bitcast ptr @tls to ptr
28  %a1 = bitcast ptr @a1 to ptr
29  %a2 = bitcast ptr @a2 to ptr
30  %i1 = bitcast ptr @i1 to ptr
31  %i2 = bitcast ptr @i2 to ptr
32  call void @llvm.dbg.value(metadata ptr @metadata_f1, metadata !5, metadata !DIExpression()), !dbg !7
33  call void @llvm.dbg.value(metadata ptr @metadata_f2, metadata !5, metadata !DIExpression()), !dbg !7
34  call void @f4(ptr @metadata_f2)
35  unreachable
36}
37
38declare void @f4(ptr) unnamed_addr
39
40;; f1 is unreferenced, so this directive would not emit an entry anyway.
41; CHECK-NOT: .addrsig_sym metadata_f1
42declare void @metadata_f1()
43
44; CHECK: .addrsig_sym metadata_f2
45declare void @metadata_f2()
46
47; CHECK-NOT: .addrsig_sym f2
48define internal ptr @f2() local_unnamed_addr {
49  unreachable
50}
51
52; CHECK-NOT: .addrsig_sym f3
53declare void @f3() unnamed_addr
54
55; CHECK: .addrsig_sym g1
56@g1 = global i32 0
57; CHECK-NOT: .addrsig_sym g2
58@g2 = internal local_unnamed_addr global i32 0
59; CHECK-NOT: .addrsig_sym g3
60@g3 = external unnamed_addr global i32
61
62; CHECK-NOT: .addrsig_sym unref
63@unref = external global i32
64
65; CHECK-NOT: .addrsig_sym dllimport
66@dllimport = external dllimport global i32
67
68; CHECK-NOT: .addrsig_sym tls
69@tls = thread_local global i32 0
70
71; CHECK: .addrsig_sym a1
72@a1 = alias i32, ptr @g1
73; CHECK-NOT: .addrsig_sym a2
74@a2 = internal local_unnamed_addr alias i32, ptr @g2
75
76; CHECK: .addrsig_sym i1
77@i1 = ifunc void(), ptr @f1
78; CHECK-NOT: .addrsig_sym i2
79@i2 = internal local_unnamed_addr ifunc void(), ptr @f2
80
81declare void @llvm.dbg.value(metadata, metadata, metadata)
82
83!llvm.dbg.cu = !{!0}
84!llvm.module.flags = !{!2}
85
86!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
87!1 = !DIFile(filename: "a", directory: "")
88!2 = !{i32 2, !"Debug Info Version", i32 3}
89!3 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
90!4 = !DILocation(line: 0, scope: !3)
91!5 = !DILocalVariable(scope: !6)
92!6 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
93!7 = !DILocation(line: 0, scope: !6, inlinedAt: !4)
94