1 ; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
3 ; When an llvm.dbg.label intrinsic is extracted into a new function, make sure
4 ; that its metadata argument is a DILabel that points to a scope within the new
7 ; In this example, the label "bye" points to the scope for @foo before
8 ; splitting, and should point to the scope for @foo.cold.1 after splitting.
10 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
11 target triple = "x86_64-apple-macosx10.14.0"
13 ; CHECK-LABEL: define {{.*}}@foo.cold.1
14 ; CHECK: #dbg_label([[LABEL:![0-9]+]], [[LINE:![0-9]+]]
15 ; CHECK: #dbg_label([[LABEL_IN_INLINE_ME:![0-9]+]], [[LINE2:![0-9]+]]
16 ; CHECK: #dbg_label([[SCOPED_LABEL:![0-9]+]], [[LINE]]
18 ; CHECK: [[FILE:![0-9]+]] = !DIFile
19 ; CHECK: [[INLINE_ME_SCOPE:![0-9]+]] = distinct !DISubprogram(name: "inline_me"
20 ; CHECK: [[SCOPE:![0-9]+]] = distinct !DISubprogram(name: "foo.cold.1"
21 ; CHECK: [[LABEL]] = !DILabel(scope: [[SCOPE]], name: "bye", file: [[FILE]], line: 28
22 ; CHECK: [[LINE]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]]
23 ; CHECK: [[LABEL_IN_INLINE_ME]] = !DILabel(scope: [[INLINE_ME_SCOPE]], name: "label_in_@inline_me", file: [[FILE]], line: 29
24 ; CHECK: [[LINE2]] = !DILocation(line: 2, column: 2, scope: [[INLINE_ME_SCOPE]], inlinedAt: [[LINE]]
25 ; CHECK: [[SCOPED_LABEL]] = !DILabel(scope: [[SCOPE_IN_FOO:![0-9]+]], name: "scoped_label_in_foo", file: [[FILE]], line: 30
26 ; CHECK: [[SCOPE_IN_FOO]] = !DILexicalBlock(scope: [[SCOPE]], file: [[FILE]], line: 31, column: 31)
28 define void @foo(i32 %arg1) !dbg !6 {
30 %var = add i32 0, 0, !dbg !11
31 br i1 undef, label %if.then, label %if.end
33 if.then: ; preds = %entry
36 if.end: ; preds = %entry
37 call void @llvm.dbg.label(metadata !12), !dbg !11
38 call void @llvm.dbg.label(metadata !14), !dbg !15
39 call void @llvm.dbg.label(metadata !16), !dbg !11
44 declare void @llvm.dbg.label(metadata)
46 declare void @sink() cold
48 define void @inline_me() !dbg !13 {
53 !llvm.debugify = !{!3, !4}
54 !llvm.module.flags = !{!5}
56 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
57 !1 = !DIFile(filename: "<stdin>", directory: "/")
61 !5 = !{i32 2, !"Debug Info Version", i32 3}
62 !6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !8)
63 !7 = !DISubroutineType(types: !2)
65 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
66 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
67 !11 = !DILocation(line: 1, column: 1, scope: !6)
68 !12 = !DILabel(scope: !6, name: "bye", file: !1, line: 28)
69 !13 = distinct !DISubprogram(name: "inline_me", linkageName: "inline_me", scope: null, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !8)
70 !14 = !DILabel(scope: !13, name: "label_in_@inline_me", file: !1, line: 29)
71 !15 = !DILocation(line: 2, column: 2, scope: !13, inlinedAt: !11)
72 !16 = !DILabel(scope: !17, name: "scoped_label_in_foo", file: !1, line: 30)
73 !17 = distinct !DILexicalBlock(scope: !6, file: !1, line: 31, column: 31)