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1; RUN: split-file %s %t2; RUN: llvm-as %t/key-instr-enabled.ll -o %t/key-instr-enabled.bc3; RUN: llvm-as %t/key-instr-disabled.ll -o %t/key-instr-disabled.bc4; RUN: llvm-link %t/key-instr-enabled.bc %t/key-instr-disabled.bc -o - | llvm-dis | FileCheck %s5 6;; Check the Key Instructions metadata is preserved correctly when linking a7;; modules with Key Instructions enabled/disabled.8 9;; Key Instructions enabled.10; CHECK: void @f() !dbg [[f:!.*]] {11; CHECK-NEXT: entry:12; CHECK-NEXT: ret void, !dbg [[enabled:!.*]]13; CHECK-NEXT: }14 15;; Key Instructions disabled.16; CHECK: void @g() !dbg [[g:!.*]] {17; CHECK-NEXT: entry:18; CHECK-NEXT: ret void, !dbg [[disabled:!.*]]19; CHECK-NEXT: }20 21; CHECK: !llvm.dbg.cu = !{!0, !2}22; CHECK-NEXT: !llvm.module.flags = !{!4}23 24; CHECK: [[file1:!.*]] = !DIFile(filename: "key-instr-enabled.cpp", directory: "/")25; CHECK: [[file2:!.*]] = !DIFile(filename: "key-instr-disabled.cpp", directory: "/")26; CHECK: [[f]] = distinct !DISubprogram(name: "f", scope: [[file1]]{{.*}}, keyInstructions: true)27; CHECK: [[enabled]] = !DILocation(line: 1, column: 11, scope: [[f]], atomGroup: 1, atomRank: 1)28; CHECK: [[g]] = distinct !DISubprogram(name: "g", scope: [[file2]]29; CHECK-NOT: keyInstructions30; CHECK-SAME: )31; CHECK: [[disabled]] = !DILocation(line: 1, column: 11, scope: [[g]])32 33;--- key-instr-enabled.ll34define dso_local void @f() !dbg !10 {35entry:36 ret void, !dbg !1337}38 39!llvm.dbg.cu = !{!0}40!llvm.module.flags = !{!3}41 42!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 21.0.0git", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)43!1 = !DIFile(filename: "key-instr-enabled.cpp", directory: "/")44!3 = !{i32 2, !"Debug Info Version", i32 3}45!9 = !{!"clang version 21.0.0git"}46!10 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, keyInstructions: true)47!11 = !DISubroutineType(types: !12)48!12 = !{null}49!13 = !DILocation(line: 1, column: 11, scope: !10, atomGroup: 1, atomRank: 1)50 51;--- key-instr-disabled.ll52define dso_local void @g() !dbg !10 {53entry:54 ret void, !dbg !1355}56 57!llvm.dbg.cu = !{!0}58!llvm.module.flags = !{!3}59 60!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 21.0.0git", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)61!1 = !DIFile(filename: "key-instr-disabled.cpp", directory: "/")62!3 = !{i32 2, !"Debug Info Version", i32 3}63!9 = !{!"clang version 21.0.0git"}64!10 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, keyInstructions: false)65!11 = !DISubroutineType(types: !12)66!12 = !{null}67!13 = !DILocation(line: 1, column: 11, scope: !10)68