1 ; RUN: opt < %s -passes=inline -S | FileCheck %s
3 ; This tests that functions with the attribute `no-inline-line-tables` have the
4 ; correct debug information when they are inlined.
7 source_filename = "t.c"
8 target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
9 target triple = "x86_64-unknown-windows-msvc"
11 ; Function Attrs: alwaysinline nounwind
12 define dso_local i32 @f(i32 %x) #0 !dbg !7 {
14 %x.addr = alloca i32, align 4
15 store i32 %x, ptr %x.addr, align 4
16 call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
17 %0 = load i32, ptr %x.addr, align 4, !dbg !14
21 ; Function Attrs: nounwind readnone speculatable willreturn
22 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
24 ; Function Attrs: alwaysinline nounwind
25 define i32 @g(i32 %x) #0 !dbg !15 {
27 %x.addr = alloca i32, align 4
28 store i32 %x, ptr %x.addr, align 4
29 call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !16, metadata !DIExpression()), !dbg !17
33 call void @llvm.dbg.label(metadata !18), !dbg !19
34 store i32 42, ptr %x.addr, align 4, !dbg !20
35 %0 = load i32, ptr %x.addr, align 4, !dbg !21
39 ; Function Attrs: nounwind readnone speculatable willreturn
40 declare void @llvm.dbg.label(metadata) #1
42 ; Check that debug info for inlined code uses the call location and that debug
43 ; intrinsics are removed.
44 ; Function Attrs: noinline nounwind optnone
45 define i32 @main() #2 !dbg !22 {
47 ; CHECK-LABEL: @main()
49 ; CHECK-NOT: @llvm.dbg.declare
50 ; CHECK: %{{[0-9]+}} = load i32, ptr %x.addr.i, align 4, !dbg ![[VAR1:[0-9]+]]
51 %call = call i32 @f(i32 3), !dbg !25
53 ; Another test for inlining debug intrinsics where the intrinsic appears at the
54 ; start of the basic block.
56 ; CHECK-NOT: @llvm.dbg.label
57 ; CHECK: %{{[0-9]+}} = load i32, ptr %x.addr.i1, align 4, !dbg ![[VAR2:[0-9]+]]
58 %call1 = call i32 @g(i32 340), !dbg !26
62 ; CHECK: ![[VAR1]] = !DILocation(line: 10, scope: ![[SCOPE:[0-9]+]])
63 ; CHECK: ![[VAR2]] = !DILocation(line: 11, scope: ![[SCOPE]])
65 attributes #0 = { alwaysinline nounwind "no-inline-line-tables" }
66 attributes #2 = { noinline nounwind optnone "no-inline-line-tables"}
69 !llvm.module.flags = !{!3, !4, !5}
72 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 03ec3a12a94bbbaa11999b6da3a43221a5aa54a5)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
73 !1 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/akhuang/testing/inline-line-tables", checksumkind: CSK_MD5, checksum: "38a4785b48742d3ea655b8f3461436a4")
75 !3 = !{i32 2, !"CodeView", i32 1}
76 !4 = !{i32 2, !"Debug Info Version", i32 3}
77 !5 = !{i32 1, !"wchar_size", i32 4}
78 !6 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 03ec3a12a94bbbaa11999b6da3a43221a5aa54a5)"}
79 !7 = distinct !DISubprogram(name: "f", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
80 !8 = !DIFile(filename: "t.c", directory: "/usr/local/google/home/akhuang/testing/inline-line-tables", checksumkind: CSK_MD5, checksum: "38a4785b48742d3ea655b8f3461436a4")
81 !9 = !DISubroutineType(types: !10)
83 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
84 !12 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !8, line: 1, type: !11)
85 !13 = !DILocation(line: 1, scope: !7)
86 !14 = !DILocation(line: 2, scope: !7)
87 !15 = distinct !DISubprogram(name: "g", scope: !8, file: !8, line: 4, type: !9, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
88 !16 = !DILocalVariable(name: "x", arg: 1, scope: !15, file: !8, line: 4, type: !11)
89 !17 = !DILocation(line: 4, scope: !15)
90 !18 = !DILabel(scope: !15, name: "L", file: !8, line: 5)
91 !19 = !DILocation(line: 5, scope: !15)
92 !20 = !DILocation(line: 6, scope: !15)
93 !21 = !DILocation(line: 7, scope: !15)
94 !22 = distinct !DISubprogram(name: "main", scope: !8, file: !8, line: 9, type: !23, scopeLine: 9, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
95 !23 = !DISubroutineType(types: !24)
97 !25 = !DILocation(line: 10, scope: !22)
98 !26 = !DILocation(line: 11, scope: !22)
99 !27 = !DILocation(line: 12, scope: !22)