1 ; REQUIRES: x86_64-linux
2 ; RUN: opt < %s -passes='pseudo-probe,cgscc(inline)' -function-sections -mtriple=x86_64-unknown-linux-gnu -S -o %t
3 ; RUN: FileCheck %s < %t --check-prefix=CHECK-IL
4 ; RUN: llc -function-sections <%t -filetype=asm -o %t1
5 ; RUN: FileCheck %s < %t1 --check-prefix=CHECK-ASM
6 ; RUN: llc -function-sections <%t -filetype=obj -o %t2
7 ; RUN: llvm-objdump --section-headers %t2 | FileCheck %s --check-prefix=CHECK-OBJ
8 ; RUN: llvm-mc -filetype=asm <%t1 -o %t3
9 ; RUN: FileCheck %s < %t3 --check-prefix=CHECK-ASM
10 ; RUN: llvm-mc -filetype=obj <%t1 -o %t4
11 ; RUN: llvm-objdump --section-headers %t4 | FileCheck %s --check-prefix=CHECK-OBJ
14 define dso_local void @foo2() !dbg !7 {
15 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
16 ; CHECK-ASM: .pseudoprobe [[#GUID1:]] 1 0 0 foo2
20 define dso_local void @foo() #0 !dbg !11 {
21 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID2:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
22 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1]], i64 1, i32 0, i64 -1), !dbg ![[#DL1:]]
23 ; CHECK-ASM: .pseudoprobe [[#GUID2:]] 1 0 0 foo
24 ; CHECK-ASM: .pseudoprobe [[#GUID1]] 1 0 0 @ [[#GUID2]]:2 foo
25 call void @foo2(), !dbg !12
29 define dso_local i32 @entry() !dbg !14 {
30 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID3:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
31 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID2]], i64 1, i32 0, i64 -1), !dbg ![[#DL2:]]
32 ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1]], i64 1, i32 0, i64 -1), !dbg ![[#DL3:]]
33 ; CHECK-ASM: .pseudoprobe [[#GUID3:]] 1 0 0 entry
34 ; CHECK-ASM: .pseudoprobe [[#GUID2]] 1 0 0 @ [[#GUID3]]:2 entry
35 ; CHECK-ASM: .pseudoprobe [[#GUID1]] 1 0 0 @ [[#GUID3]]:2 @ [[#GUID2]]:2 entry
36 call void @foo(), !dbg !18
41 ; CHECK-IL: ![[#SCOPE1:]] = distinct !DISubprogram(name: "foo2"
42 ; CHECK-IL: ![[#SCOPE2:]] = distinct !DISubprogram(name: "foo"
43 ; CHECK-IL: ![[#DL1]] = !DILocation(line: 3, column: 1, scope: ![[#SCOPE1]], inlinedAt: ![[#INL1:]])
44 ; CHECK-IL: ![[#INL1]] = distinct !DILocation(line: 7, column: 3, scope: ![[#BL1:]])
45 ;; A discriminator of 455082007 which is 0x1b200017 in hexdecimal, stands for a direct call probe
46 ;; with an index of 2 and a scale of 100%.
47 ; CHECK-IL: ![[#BL1]] = !DILexicalBlockFile(scope: ![[#SCOPE2]], file: !1, discriminator: 455082007)
48 ; CHECK-IL: ![[#SCOPE3:]] = distinct !DISubprogram(name: "entry"
49 ; CHECK-IL: ![[#DL2]] = !DILocation(line: 7, column: 3, scope: ![[#SCOPE2]], inlinedAt: ![[#INL2:]])
50 ; CHECK-IL: ![[#INL2]] = distinct !DILocation(line: 11, column: 3, scope: ![[#BL2:]])
51 ; CHECK-IL: ![[#BL2]] = !DILexicalBlockFile(scope: ![[#SCOPE3]], file: !1, discriminator: 455082007)
52 ; CHECK-IL: ![[#DL3]] = !DILocation(line: 3, column: 1, scope: ![[#SCOPE1]], inlinedAt: ![[#INL3:]])
53 ; CHECK-IL: ![[#INL3]] = distinct !DILocation(line: 7, column: 3, scope: ![[#BL1]], inlinedAt: ![[#INL2]])
56 ; Check the generation of .pseudo_probe_desc section
57 ; CHECK-ASM: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo2,comdat
58 ; CHECK-ASM-NEXT: .quad [[#GUID1]]
59 ; CHECK-ASM-NEXT: .quad [[#HASH1:]]
60 ; CHECK-ASM-NEXT: .byte 4
61 ; CHECK-ASM-NEXT: .ascii "foo2"
62 ; CHECK-ASM-NEXT: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo,comdat
63 ; CHECK-ASM-NEXT: .quad [[#GUID2]]
64 ; CHECK-ASM-NEXT: .quad [[#HASH2:]]
65 ; CHECK-ASM-NEXT: .byte 3
66 ; CHECK-ASM-NEXT: .ascii "foo"
67 ; CHECK-ASM-NEXT: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_entry,comdat
68 ; CHECK-ASM-NEXT: .quad [[#GUID3]]
69 ; CHECK-ASM-NEXT: .quad [[#HASH3:]]
70 ; CHECK-ASM-NEXT: .byte 5
71 ; CHECK-ASM-NEXT: .ascii "entry"
73 ; CHECK-OBJ: .pseudo_probe_desc
74 ; CHECK-OBJ: .pseudo_probe
75 ; CHECK-OBJ-NOT: .rela.pseudo_probe
78 !llvm.module.flags = !{!3, !4}
80 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug)
81 !1 = !DIFile(filename: "foo.c", directory: "any")
83 !3 = !{i32 2, !"Dwarf Version", i32 4}
84 !4 = !{i32 2, !"Debug Info Version", i32 3}
85 !7 = distinct !DISubprogram(name: "foo2", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
86 !8 = !DISubroutineType(types: !9)
88 !10 = !DILocation(line: 3, column: 1, scope: !7)
89 !11 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
90 !12 = !DILocation(line: 7, column: 3, scope: !11)
91 !13 = !DILocation(line: 8, column: 1, scope: !11)
92 !14 = distinct !DISubprogram(name: "entry", scope: !1, file: !1, line: 10, type: !15, scopeLine: 10, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
93 !15 = !DISubroutineType(types: !16)
95 !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
96 !18 = !DILocation(line: 11, column: 3, scope: !14)
97 !19 = !DILocation(line: 12, column: 3, scope: !14)