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1; This test checks that strip-dead-debug-info pass deletes debug compile units2; if global constants from those units are absent in the module.3 4; RUN: opt -passes='strip-dead-debug-info,verify' -strip-global-constants %s -S | FileCheck %s5 6; CHECK: !llvm.dbg.cu = !{!{{[0-9]+}}, !{{[0-9]+}}}7; CHECK-COUNT-2: !DICompileUnit8 9;target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"10;target triple = "spir64-unknown-unknown"11 12; Function Attrs: convergent nounwind13define void @dev_func1() #0 !dbg !16 {14 %1 = call i32 @dev_subfunc1(i32 0) #1, !dbg !1915 ret void, !dbg !2016}17 18; Function Attrs: convergent nounwind19define i32 @dev_subfunc1(i32 %0) #0 !dbg !21 {20 ret i32 %0, !dbg !2421}22 23; Function Attrs: convergent nounwind24define void @dev_func2() #0 !dbg !25 {25 ret void, !dbg !2626}27 28attributes #0 = { convergent nounwind }29attributes #1 = { convergent }30 31!llvm.dbg.cu = !{!0, !8, !10}32!llvm.module.flags = !{!15}33 34!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3, imports: !2, splitDebugInlining: false, nameTableKind: None)35!1 = !DIFile(filename: "dev_func1.cpp", directory: "/home/usr/test")36!2 = !{}37!3 = !{!4}38!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))39!5 = distinct !DIGlobalVariable(name: "ZERO", scope: !1, file: !1, line: 32, type: !6, isLocal: true, isDefinition: true)40!6 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !7)41!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)42!8 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !9, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, imports: !2, splitDebugInlining: false, nameTableKind: None)43!9 = !DIFile(filename: "dev_func2.cpp", directory: "/home/usr/test")44!10 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !11, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !12, imports: !2, splitDebugInlining: false, nameTableKind: None)45!11 = !DIFile(filename: "file3.cpp", directory: "/home/usr/test")46!12 = !{!13}47!13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))48!14 = distinct !DIGlobalVariable(name: "ZERO", scope: !11, file: !11, line: 145, type: !6, isLocal: true, isDefinition: true)49!15 = !{i32 2, !"Debug Info Version", i32 3}50!16 = distinct !DISubprogram(name: "dev_func1", linkageName: "dev_func1", scope: !1, file: !1, line: 22, type: !17, scopeLine: 22, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)51!17 = !DISubroutineType(types: !18)52!18 = !{null}53!19 = !DILocation(line: 12, column: 1, scope: !16)54!20 = !DILocation(line: 29, column: 5, scope: !16)55!21 = distinct !DISubprogram(name: "dev_subfunc1", linkageName: "dev_subfunc1", scope: !1, file: !1, line: 42, type: !22, scopeLine: 42, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)56!22 = !DISubroutineType(types: !23)57!23 = !{!7, !7}58!24 = !DILocation(line: 5, column: 1, scope: !21)59!25 = distinct !DISubprogram(name: "dev_func2", linkageName: "dev_func2", scope: !9, file: !9, line: 22, type: !17, scopeLine: 22, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !8, retainedNodes: !2)60!26 = !DILocation(line: 29, column: 5, scope: !25)61 62