62 lines
3.4 KiB
LLVM
62 lines
3.4 KiB
LLVM
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; This test checks that strip-dead-debug-info pass deletes debug compile units
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; if global constants from those units are absent in the module.
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; RUN: opt -passes='strip-dead-debug-info,verify' -strip-global-constants %s -S | FileCheck %s
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; CHECK: !llvm.dbg.cu = !{!{{[0-9]+}}, !{{[0-9]+}}}
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; CHECK-COUNT-2: !DICompileUnit
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;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"
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;target triple = "spir64-unknown-unknown"
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; Function Attrs: convergent nounwind
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define void @dev_func1() #0 !dbg !16 {
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%1 = call i32 @dev_subfunc1(i32 0) #1, !dbg !19
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ret void, !dbg !20
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}
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; Function Attrs: convergent nounwind
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define i32 @dev_subfunc1(i32 %0) #0 !dbg !21 {
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ret i32 %0, !dbg !24
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}
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; Function Attrs: convergent nounwind
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define void @dev_func2() #0 !dbg !25 {
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ret void, !dbg !26
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}
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attributes #0 = { convergent nounwind }
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attributes #1 = { convergent }
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!llvm.dbg.cu = !{!0, !8, !10}
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!llvm.module.flags = !{!15}
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!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)
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!1 = !DIFile(filename: "dev_func1.cpp", directory: "/home/usr/test")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))
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!5 = distinct !DIGlobalVariable(name: "ZERO", scope: !1, file: !1, line: 32, type: !6, isLocal: true, isDefinition: true)
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!6 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !7)
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!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)
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!9 = !DIFile(filename: "dev_func2.cpp", directory: "/home/usr/test")
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!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)
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!11 = !DIFile(filename: "file3.cpp", directory: "/home/usr/test")
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!12 = !{!13}
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!13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))
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!14 = distinct !DIGlobalVariable(name: "ZERO", scope: !11, file: !11, line: 145, type: !6, isLocal: true, isDefinition: true)
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!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)
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!17 = !DISubroutineType(types: !18)
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!18 = !{null}
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!19 = !DILocation(line: 12, column: 1, scope: !16)
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!20 = !DILocation(line: 29, column: 5, scope: !16)
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!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)
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!22 = !DISubroutineType(types: !23)
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!23 = !{!7, !7}
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!24 = !DILocation(line: 5, column: 1, scope: !21)
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!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)
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!26 = !DILocation(line: 29, column: 5, scope: !25)
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