1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -mtriple=x86_64-linux-gnu -dwarf-eh-prepare < %s | FileCheck %s
3 ; RUN: opt -S -mtriple=x86_64-linux-gnu -passes=dwarf-eh-prepare < %s | FileCheck %s
5 ; PR57469: If _Unwind_Resume is defined in the same module and we have debug
6 ; info, then the inserted _Unwind_Resume calls also need to have a dummy debug
7 ; location to satisfy inlining requirements.
9 define void @_Unwind_Resume(ptr %ptr) !dbg !4 {
10 ; CHECK-LABEL: @_Unwind_Resume(
11 ; CHECK-NEXT: ret void, !dbg [[DBG11:![0-9]+]]
16 declare i32 @__gxx_personality_v0(...)
17 declare void @might_throw()
19 define void @simple_cleanup_catch() personality ptr @__gxx_personality_v0 !dbg !12 {
20 ; CHECK-LABEL: @simple_cleanup_catch(
21 ; CHECK-NEXT: invoke void @might_throw()
22 ; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[LANDINGPAD:%.*]], !dbg [[DBG15:![0-9]+]]
24 ; CHECK-NEXT: ret void
26 ; CHECK-NEXT: [[EX:%.*]] = landingpad { ptr, i32 }
28 ; CHECK-NEXT: [[EXN_OBJ:%.*]] = extractvalue { ptr, i32 } [[EX]], 0
29 ; CHECK-NEXT: call void @_Unwind_Resume(ptr [[EXN_OBJ]]) #[[ATTR0:[0-9]+]], !dbg [[DBG16:![0-9]+]]
30 ; CHECK-NEXT: unreachable
32 invoke void @might_throw()
33 to label %exit unwind label %landingpad, !dbg !15
39 %ex = landingpad { ptr, i32 }
41 resume { ptr, i32 } %ex
45 !llvm.module.flags = !{!2, !3}
47 !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)
48 !1 = !DIFile(filename: "/app/example.c", directory: "/app")
49 !2 = !{i32 7, !"Dwarf Version", i32 4}
50 !3 = !{i32 2, !"Debug Info Version", i32 3}
51 !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)
52 !5 = !DIFile(filename: "example.c", directory: "/app")
53 !6 = !DISubroutineType(types: !7)
55 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
57 !10 = !DILocalVariable(name: "exception", arg: 1, scope: !4, file: !5, line: 1, type: !8)
58 !11 = !DILocation(line: 2, column: 1, scope: !4)
59 !12 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !13, scopeLine: 4, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
60 !13 = !DISubroutineType(types: !14)
62 !15 = !DILocation(line: 6, column: 1, scope: !12)
64 ; CHECK: [[DBG_SCOPE:![0-9]+]] = distinct !DISubprogram(name: "test"
65 ; CHECK: [[DBG16]] = !DILocation(line: 0, scope: [[DBG_SCOPE]])