65 lines
2.8 KiB
LLVM
65 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=x86_64-linux-gnu -dwarfehprepare < %s | FileCheck %s
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; PR57469: If _Unwind_Resume is defined in the same module and we have debug
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; info, then the inserted _Unwind_Resume calls also need to have a dummy debug
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; location to satisfy inlining requirements.
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define void @_Unwind_Resume(ptr %ptr) !dbg !4 {
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; CHECK-LABEL: @_Unwind_Resume(
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; CHECK-NEXT: ret void, !dbg [[DBG11:![0-9]+]]
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;
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ret void, !dbg !11
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}
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declare i32 @__gxx_personality_v0(...)
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declare void @might_throw()
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define void @simple_cleanup_catch() personality ptr @__gxx_personality_v0 !dbg !12 {
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; CHECK-LABEL: @simple_cleanup_catch(
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; CHECK-NEXT: invoke void @might_throw()
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; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[LANDINGPAD:%.*]], !dbg [[DBG15:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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; CHECK: landingpad:
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; CHECK-NEXT: [[EX:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: [[EXN_OBJ:%.*]] = extractvalue { ptr, i32 } [[EX]], 0
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; CHECK-NEXT: call void @_Unwind_Resume(ptr [[EXN_OBJ]]) #[[ATTR0:[0-9]+]], !dbg [[DBG16:![0-9]+]]
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; CHECK-NEXT: unreachable
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;
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invoke void @might_throw()
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to label %exit unwind label %landingpad, !dbg !15
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exit:
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ret void
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landingpad:
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%ex = landingpad { ptr, i32 }
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cleanup
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resume { ptr, i32 } %ex
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 16.0.0 (https://github.com/llvm/llvm-project.git a4c8fb9d1f46f30c66a9ca0dd07c7933f338bb34)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "/app/example.c", directory: "/app")
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!2 = !{i32 7, !"Dwarf Version", i32 4}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = distinct !DISubprogram(name: "_Unwind_Resume", scope: !5, file: !5, line: 1, type: !6, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !9)
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!5 = !DIFile(filename: "example.c", directory: "/app")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null, !8}
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "exception", arg: 1, scope: !4, file: !5, line: 1, type: !8)
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!11 = !DILocation(line: 2, column: 1, scope: !4)
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!12 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !13, scopeLine: 4, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null}
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!15 = !DILocation(line: 6, column: 1, scope: !12)
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; CHECK: [[DBG_SCOPE:![0-9]+]] = distinct !DISubprogram(name: "test"
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; CHECK: [[DBG16]] = !DILocation(line: 0, scope: [[DBG_SCOPE]])
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