96 lines
4.8 KiB
LLVM
96 lines
4.8 KiB
LLVM
; REQUIRES: x86_64-linux
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; RUN: opt < %s -passes='pseudo-probe,cgscc(inline)' -function-sections -mtriple=x86_64-unknown-linux-gnu -S -o %t
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; RUN: FileCheck %s < %t --check-prefix=CHECK-IL
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; RUN: llc -pseudo-probe-for-profiling -function-sections <%t -filetype=asm -o %t1
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; RUN: FileCheck %s < %t1 --check-prefix=CHECK-ASM
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; RUN: llc -pseudo-probe-for-profiling -function-sections <%t -filetype=obj -o %t2
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; RUN: llvm-objdump --section-headers %t2 | FileCheck %s --check-prefix=CHECK-OBJ
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; RUN: llvm-mc -filetype=asm <%t1 -o %t3
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; RUN: FileCheck %s < %t3 --check-prefix=CHECK-ASM
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; RUN: llvm-mc -filetype=obj <%t1 -o %t4
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; RUN: llvm-objdump --section-headers %t4 | FileCheck %s --check-prefix=CHECK-OBJ
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define dso_local void @foo2() !dbg !7 {
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
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; CHECK-ASM: .pseudoprobe [[#GUID1:]] 1 0 0
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ret void, !dbg !10
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}
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define dso_local void @foo() #0 !dbg !11 {
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID2:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1]], i64 1, i32 0, i64 -1), !dbg ![[#DL1:]]
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; CHECK-ASM: .pseudoprobe [[#GUID2:]] 1 0 0
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; CHECK-ASM: .pseudoprobe [[#GUID1]] 1 0 0 @ [[#GUID2]]:2
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call void @foo2(), !dbg !12
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ret void, !dbg !13
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}
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define dso_local i32 @entry() !dbg !14 {
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID3:]], i64 1, i32 0, i64 -1), !dbg ![[#]]
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID2]], i64 1, i32 0, i64 -1), !dbg ![[#DL2:]]
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; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID1]], i64 1, i32 0, i64 -1), !dbg ![[#DL3:]]
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; CHECK-ASM: .pseudoprobe [[#GUID3:]] 1 0 0
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; CHECK-ASM: .pseudoprobe [[#GUID2]] 1 0 0 @ [[#GUID3]]:2
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; CHECK-ASM: .pseudoprobe [[#GUID1]] 1 0 0 @ [[#GUID3]]:2 @ [[#GUID2]]:2
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call void @foo(), !dbg !18
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ret i32 0, !dbg !19
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}
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; CHECK-IL: ![[#SCOPE1:]] = distinct !DISubprogram(name: "foo2"
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; CHECK-IL: ![[#SCOPE2:]] = distinct !DISubprogram(name: "foo"
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; CHECK-IL: ![[#DL1]] = !DILocation(line: 3, column: 1, scope: ![[#SCOPE1]], inlinedAt: ![[#INL1:]])
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; CHECK-IL: ![[#INL1]] = distinct !DILocation(line: 7, column: 3, scope: ![[#BL1:]])
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;; A discriminator of 186646551 which is 0xb200017 in hexdecimal, stands for a direct call probe
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;; with an index of 2 and a scale of 100%.
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; CHECK-IL: ![[#BL1]] = !DILexicalBlockFile(scope: ![[#SCOPE2]], file: !1, discriminator: 186646551)
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; CHECK-IL: ![[#SCOPE3:]] = distinct !DISubprogram(name: "entry"
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; CHECK-IL: ![[#DL2]] = !DILocation(line: 7, column: 3, scope: ![[#SCOPE2]], inlinedAt: ![[#INL2:]])
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; CHECK-IL: ![[#INL2]] = distinct !DILocation(line: 11, column: 3, scope: ![[#BL2:]])
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; CHECK-IL: ![[#BL2]] = !DILexicalBlockFile(scope: ![[#SCOPE3]], file: !1, discriminator: 186646551)
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; CHECK-IL: ![[#DL3]] = !DILocation(line: 3, column: 1, scope: ![[#SCOPE1]], inlinedAt: ![[#INL3:]])
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; CHECK-IL: ![[#INL3]] = distinct !DILocation(line: 7, column: 3, scope: ![[#BL1]], inlinedAt: ![[#INL2]])
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; Check the generation of .pseudo_probe_desc section
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; CHECK-ASM: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo2,comdat
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; CHECK-ASM-NEXT: .quad [[#GUID1]]
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; CHECK-ASM-NEXT: .quad [[#HASH1:]]
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; CHECK-ASM-NEXT: .byte 4
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; CHECK-ASM-NEXT: .ascii "foo2"
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; CHECK-ASM-NEXT: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo,comdat
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; CHECK-ASM-NEXT: .quad [[#GUID2]]
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; CHECK-ASM-NEXT: .quad [[#HASH2:]]
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; CHECK-ASM-NEXT: .byte 3
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; CHECK-ASM-NEXT: .ascii "foo"
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; CHECK-ASM-NEXT: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_entry,comdat
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; CHECK-ASM-NEXT: .quad [[#GUID3]]
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; CHECK-ASM-NEXT: .quad [[#HASH3:]]
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; CHECK-ASM-NEXT: .byte 5
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; CHECK-ASM-NEXT: .ascii "entry"
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; CHECK-OBJ: .pseudo_probe_desc
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; CHECK-OBJ: .pseudo_probe
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug)
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!1 = !DIFile(filename: "foo.c", directory: "any")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!7 = distinct !DISubprogram(name: "foo2", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}
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!10 = !DILocation(line: 3, column: 1, scope: !7)
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!11 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!12 = !DILocation(line: 7, column: 3, scope: !11)
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!13 = !DILocation(line: 8, column: 1, scope: !11)
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!14 = distinct !DISubprogram(name: "entry", scope: !1, file: !1, line: 10, type: !15, scopeLine: 10, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!17}
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!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!18 = !DILocation(line: 11, column: 3, scope: !14)
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!19 = !DILocation(line: 12, column: 3, scope: !14)
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