| ; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s |
| |
| ; When an llvm.dbg.label intrinsic is extracted into a new function, make sure |
| ; that its metadata argument is a DILabel that points to a scope within the new |
| ; function. |
| ; |
| ; In this example, the label "bye" points to the scope for @foo before |
| ; splitting, and should point to the scope for @foo.cold.1 after splitting. |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.14.0" |
| |
| ; CHECK-LABEL: define {{.*}}@foo.cold.1 |
| ; CHECK: llvm.dbg.label(metadata [[LABEL:![0-9]+]]), !dbg [[LINE:![0-9]+]] |
| |
| ; CHECK: [[FILE:![0-9]+]] = !DIFile |
| ; CHECK: [[SCOPE:![0-9]+]] = distinct !DISubprogram(name: "foo.cold.1" |
| ; CHECK: [[LINE]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]] |
| ; CHECK: [[LABEL]] = !DILabel(scope: [[SCOPE]], name: "bye", file: [[FILE]], line: 28 |
| |
| define void @foo(i32 %arg1) !dbg !6 { |
| entry: |
| %var = add i32 0, 0, !dbg !11 |
| br i1 undef, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| ret void |
| |
| if.end: ; preds = %entry |
| call void @llvm.dbg.label(metadata !12), !dbg !11 |
| call void @sink() |
| ret void |
| } |
| |
| declare void @llvm.dbg.label(metadata) |
| |
| declare void @sink() cold |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.debugify = !{!3, !4} |
| !llvm.module.flags = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "<stdin>", directory: "/") |
| !2 = !{} |
| !3 = !{i32 7} |
| !4 = !{i32 1} |
| !5 = !{i32 2, !"Debug Info Version", i32 3} |
| !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) |
| !7 = !DISubroutineType(types: !2) |
| !8 = !{!9} |
| !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10) |
| !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) |
| !11 = !DILocation(line: 1, column: 1, scope: !6) |
| !12 = !DILabel(scope: !6, name: "bye", file: !1, line: 28) |