diff options
Diffstat (limited to 'llvm/test/DebugInfo/Generic/inlined-static-var.ll')
| -rw-r--r-- | llvm/test/DebugInfo/Generic/inlined-static-var.ll | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Generic/inlined-static-var.ll b/llvm/test/DebugInfo/Generic/inlined-static-var.ll new file mode 100644 index 0000000..1d24646 --- /dev/null +++ b/llvm/test/DebugInfo/Generic/inlined-static-var.ll @@ -0,0 +1,93 @@ +; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck --implicit-check-not "{{DW_TAG|NULL}}" %s + +; inline __attribute__((always_inline)) +; int removed() { static int A; return A++; } +; +; __attribute__((always_inline)) +; int not_removed() { static int B; return B++; } +; +; int foo() { return removed() + not_removed(); } + +; Ensure that global variables belong to the correct subprograms even if those +; subprograms are inlined. + +; CHECK: DW_TAG_compile_unit +; CHECK: DW_TAG_subprogram +; CHECK: DW_AT_abstract_origin {{.*}} "_Z11not_removedv" +; TODO: This variable should be emitted in abstract subprogram DIE. +; CHECK: DW_TAG_variable +; CHECK: DW_AT_name ("B") +; CHECK: NULL +; CHECK: DW_TAG_base_type +; CHECK: DW_TAG_subprogram +; CHECK: DW_AT_name ("removed") +; CHECK: DW_TAG_variable +; CHECK: DW_AT_name ("A") +; CHECK: NULL +; CHECK: DW_TAG_subprogram +; CHECK: DW_AT_name ("not_removed") +; CHECK: DW_TAG_subprogram +; CHECK: DW_AT_name ("foo") +; CHECK: DW_TAG_inlined_subroutine +; CHECK: DW_TAG_inlined_subroutine +; CHECK: NULL +; CHECK: NULL + +@_ZZ11not_removedvE1A = internal global i32 0, align 4, !dbg !0 +@_ZZ7removedvE1A = linkonce_odr dso_local global i32 0, align 4, !dbg !10 + +define dso_local i32 @_Z11not_removedv() !dbg !2 { + %1 = load i32, i32* @_ZZ11not_removedvE1A, align 4, !dbg !24 + %2 = add nsw i32 %1, 1, !dbg !24 + store i32 %2, i32* @_ZZ11not_removedvE1A, align 4, !dbg !24 + ret i32 %1, !dbg !25 +} + +define dso_local i32 @_Z3foov() !dbg !26 { + %1 = load i32, i32* @_ZZ7removedvE1A, align 4, !dbg !27 + %2 = add nsw i32 %1, 1, !dbg !27 + store i32 %2, i32* @_ZZ7removedvE1A, align 4, !dbg !27 + %3 = load i32, i32* @_ZZ11not_removedvE1A, align 4, !dbg !29 + %4 = add nsw i32 %3, 1, !dbg !29 + store i32 %4, i32* @_ZZ11not_removedvE1A, align 4, !dbg !29 + %5 = add nsw i32 %1, %3, !dbg !31 + ret i32 %5, !dbg !32 +} + +!llvm.dbg.cu = !{!7} +!llvm.module.flags = !{!14, !15, !16, !17, !18, !19, !20, !21, !22} +!llvm.ident = !{!23} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "B", scope: !2, file: !3, line: 5, type: !6, isLocal: true, isDefinition: true) +!2 = distinct !DISubprogram(name: "not_removed", linkageName: "_Z11not_removedv", scope: !3, file: !3, line: 5, type: !4, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !7, retainedNodes: !13) +!3 = !DIFile(filename: "example.cpp", directory: "") +!4 = !DISubroutineType(types: !5) +!5 = !{!6} +!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!7 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !8, producer: "clang version 14.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !9, splitDebugInlining: false, nameTableKind: None) +!8 = !DIFile(filename: "example.cpp", directory: "") +!9 = !{!0, !10} +!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) +!11 = distinct !DIGlobalVariable(name: "A", scope: !12, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) +!12 = distinct !DISubprogram(name: "removed", linkageName: "_Z7removedv", scope: !3, file: !3, line: 2, type: !4, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !7, retainedNodes: !13) +!13 = !{} +!14 = !{i32 7, !"Dwarf Version", i32 4} +!15 = !{i32 2, !"Debug Info Version", i32 3} +!16 = !{i32 1, !"wchar_size", i32 4} +!17 = !{i32 1, !"branch-target-enforcement", i32 0} +!18 = !{i32 1, !"sign-return-address", i32 0} +!19 = !{i32 1, !"sign-return-address-all", i32 0} +!20 = !{i32 1, !"sign-return-address-with-bkey", i32 0} +!21 = !{i32 7, !"uwtable", i32 1} +!22 = !{i32 7, !"frame-pointer", i32 1} +!23 = !{!"clang version 14.0.0"} +!24 = !DILocation(line: 5, column: 43, scope: !2) +!25 = !DILocation(line: 5, column: 35, scope: !2) +!26 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !3, file: !3, line: 7, type: !4, scopeLine: 7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !7, retainedNodes: !13) +!27 = !DILocation(line: 2, column: 39, scope: !12, inlinedAt: !28) +!28 = distinct !DILocation(line: 7, column: 20, scope: !26) +!29 = !DILocation(line: 5, column: 43, scope: !2, inlinedAt: !30) +!30 = distinct !DILocation(line: 7, column: 32, scope: !26) +!31 = !DILocation(line: 7, column: 30, scope: !26) +!32 = !DILocation(line: 7, column: 13, scope: !26) |