1 ; RUN: llc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s
3 ; Generated by clang++ -S -c -std=c++11 -emit-llvm -g from the following C++11 source:
6 ;[[noreturn]] void foo_member(){throw 1;}
9 ;[[ noreturn ]] void f() {
15 ; object.foo_member();
18 ; CHECK-LABEL: FunctionType: f (0x1002)
19 ; CHECK-NEXT: CodeOffset: ?f@@YAXXZ+0x0
20 ; CHECK-NEXT: Segment: 0x0
21 ; CHECK-NEXT: Flags [ (0xC8)
22 ; CHECK-NEXT: HasOptimizedDebugInfo (0x80)
23 ; CHECK-NEXT: IsNoInline (0x40)
24 ; CHECK-NEXT: IsNoReturn (0x8)
26 ; CHECK-NEXT: DisplayName: f
27 ; CHECK-NEXT: LinkageName: ?f@@YAXXZ
28 ; CHECK-LABEL: FunctionType: foo_member (0x100B)
29 ; CHECK-NEXT: CodeOffset: ?foo_member@foo@@QEAAXXZ+0x0
30 ; CHECK-NEXT: Segment: 0x0
31 ; CHECK-NEXT: Flags [ (0xC8)
32 ; CHECK-NEXT: HasOptimizedDebugInfo (0x80)
33 ; CHECK-NEXT: IsNoInline (0x40)
34 ; CHECK-NEXT: IsNoReturn (0x8)
36 ; CHECK-NEXT: DisplayName: foo::foo_member
37 ; CHECK-NEXT: LinkageName: ?foo_member@foo@@QEAAXXZ
40 ; ModuleID = 'noreturn.cpp'
41 source_filename = "noreturn.cpp"
42 target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
43 target triple = "x86_64-pc-windows-msvc19.35.32216"
45 %rtti.TypeDescriptor2 = type { ptr, ptr, [3 x i8] }
46 %eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
47 %eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
48 %eh.ThrowInfo = type { i32, i32, i32, i32 }
49 %class.foo = type { i8 }
51 $"?foo_member@foo@@QEAAXXZ" = comdat any
53 $"??_R0H@8" = comdat any
55 $"_CT??_R0H@84" = comdat any
61 @"??_7type_info@@6B@" = external constant ptr
62 @"??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { ptr @"??_7type_info@@6B@", ptr null, [3 x i8] c".H\00" }, comdat
63 @__ImageBase = external dso_local constant i8
64 @"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"??_R0H@8" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
65 @_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"_CT??_R0H@84" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
66 @_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @_CTA1H to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32) }, section ".xdata", comdat
67 @"__const.?func@@YAXXZ.object" = private unnamed_addr constant %class.foo undef, align 1
69 ; Function Attrs: mustprogress noinline noreturn optnone uwtable
70 define dso_local void @"?f@@YAXXZ"() #0 !dbg !8 {
71 %1 = alloca i32, align 4
72 store i32 1, ptr %1, align 4, !dbg !13
73 call void @_CxxThrowException(ptr %1, ptr @_TI1H) #4, !dbg !13
77 declare dso_local void @_CxxThrowException(ptr, ptr)
79 ; Function Attrs: mustprogress noinline optnone uwtable
80 define dso_local void @"?func@@YAXXZ"() #1 !dbg !14 {
81 %1 = alloca %class.foo, align 1
82 call void @llvm.dbg.declare(metadata ptr %1, metadata !15, metadata !DIExpression()), !dbg !22
83 call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr align 1 @"__const.?func@@YAXXZ.object", i64 1, i1 false), !dbg !22
84 call void @"?foo_member@foo@@QEAAXXZ"(ptr noundef nonnull align 1 dereferenceable(1) %1) #4, !dbg !23
88 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
89 declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
91 ; Function Attrs: argmemonly nocallback nofree nounwind willreturn
92 declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3
94 ; Function Attrs: mustprogress noinline noreturn optnone uwtable
95 define linkonce_odr dso_local void @"?foo_member@foo@@QEAAXXZ"(ptr noundef nonnull align 1 dereferenceable(1) %0) #0 comdat align 2 !dbg !24 {
96 %2 = alloca ptr, align 8
97 %3 = alloca i32, align 4
98 store ptr %0, ptr %2, align 8
99 call void @llvm.dbg.declare(metadata ptr %2, metadata !25, metadata !DIExpression()), !dbg !27
100 %4 = load ptr, ptr %2, align 8
101 store i32 1, ptr %3, align 4, !dbg !28
102 call void @_CxxThrowException(ptr %3, ptr @_TI1H) #4, !dbg !28
103 unreachable, !dbg !28
106 attributes #0 = { mustprogress noinline noreturn optnone uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
107 attributes #1 = { mustprogress noinline optnone uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
108 attributes #2 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
109 attributes #3 = { argmemonly nocallback nofree nounwind willreturn }
110 attributes #4 = { noreturn }
113 !llvm.module.flags = !{!2, !3, !4, !5, !6}
116 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_11, file: !1, producer: "clang version 15.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
117 !1 = !DIFile(filename: "noreturn.cpp", directory: "C:\\llvm", checksumkind: CSK_MD5, checksum: "4431274b41f9156c1861249cc2d5fbc6")
118 !2 = !{i32 2, !"CodeView", i32 1}
119 !3 = !{i32 2, !"Debug Info Version", i32 3}
120 !4 = !{i32 1, !"wchar_size", i32 2}
121 !5 = !{i32 7, !"PIC Level", i32 2}
122 !6 = !{i32 7, !"uwtable", i32 2}
123 !7 = !{!"clang version 15.0.1"}
124 !8 = distinct !DISubprogram(name: "f", linkageName: "?f@@YAXXZ", scope: !9, file: !9, line: 6, type: !10, scopeLine: 6, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12)
125 !9 = !DIFile(filename: "noreturn.cpp", directory: "", checksumkind: CSK_MD5, checksum: "4431274b41f9156c1861249cc2d5fbc6")
126 !10 = !DISubroutineType(types: !11)
129 !13 = !DILocation(line: 7, scope: !8)
130 !14 = distinct !DISubprogram(name: "func", linkageName: "?func@@YAXXZ", scope: !9, file: !9, line: 10, type: !10, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12)
131 !15 = !DILocalVariable(name: "object", scope: !14, file: !9, line: 11, type: !16)
132 !16 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo", file: !9, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !17, identifier: ".?AVfoo@@")
134 !18 = !DISubprogram(name: "foo_member", linkageName: "?foo_member@foo@@QEAAXXZ", scope: !16, file: !9, line: 3, type: !19, scopeLine: 3, flags: DIFlagPublic | DIFlagPrototyped | DIFlagNoReturn, spFlags: 0)
135 !19 = !DISubroutineType(types: !20)
137 !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
138 !22 = !DILocation(line: 11, scope: !14)
139 !23 = !DILocation(line: 12, scope: !14)
140 !24 = distinct !DISubprogram(name: "foo_member", linkageName: "?foo_member@foo@@QEAAXXZ", scope: !16, file: !9, line: 3, type: !19, scopeLine: 3, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagDefinition, unit: !0, declaration: !18, retainedNodes: !12)
141 !25 = !DILocalVariable(name: "this", arg: 1, scope: !24, type: !26, flags: DIFlagArtificial | DIFlagObjectPointer)
142 !26 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
143 !27 = !DILocation(line: 0, scope: !24)
144 !28 = !DILocation(line: 3, scope: !24)