146 lines
7.8 KiB
LLVM
146 lines
7.8 KiB
LLVM
; RUN: llc -O0 -fast-isel=true -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-apple-macosx10.6.7"
|
|
; rdar://problem/9321650
|
|
|
|
; C++ source:
|
|
; class A { public: int x; int y; int z; int o; ~A() { x = 1; }};
|
|
;
|
|
; A foo(int i) {
|
|
; int j = 0;
|
|
; if (i == 42) {
|
|
; j = i + 1;
|
|
; };
|
|
; A my_a;
|
|
; my_a.x = j;
|
|
; return my_a;
|
|
; }
|
|
|
|
; CHECK: DW_AT_name {{.*}}"j"
|
|
; CHECK: DW_TAG_variable
|
|
; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (
|
|
; CHECK-NEXT: [0x{{.*}}, 0x{{.*}}): DW_OP_breg7 RSP+8, DW_OP_deref)
|
|
; CHECK-NEXT: DW_AT_name {{.*}}"my_a"
|
|
|
|
%class.A = type { i32, i32, i32, i32 }
|
|
|
|
define void @_Z3fooi(%class.A* sret(%class.A) %agg.result, i32 %i) ssp !dbg !19 {
|
|
entry:
|
|
%i.addr = alloca i32, align 4
|
|
%j = alloca i32, align 4
|
|
%nrvo = alloca i1
|
|
%cleanup.dest.slot = alloca i32
|
|
store i32 %i, i32* %i.addr, align 4
|
|
call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !26, metadata !DIExpression()), !dbg !27
|
|
call void @llvm.dbg.declare(metadata i32* %j, metadata !28, metadata !DIExpression()), !dbg !30
|
|
store i32 0, i32* %j, align 4, !dbg !31
|
|
%tmp = load i32, i32* %i.addr, align 4, !dbg !32
|
|
%cmp = icmp eq i32 %tmp, 42, !dbg !32
|
|
br i1 %cmp, label %if.then, label %if.end, !dbg !32
|
|
|
|
if.then: ; preds = %entry
|
|
%tmp1 = load i32, i32* %i.addr, align 4, !dbg !33
|
|
%add = add nsw i32 %tmp1, 1, !dbg !33
|
|
store i32 %add, i32* %j, align 4, !dbg !33
|
|
br label %if.end, !dbg !35
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
store i1 false, i1* %nrvo, !dbg !36
|
|
call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !37, metadata !DIExpression()), !dbg !39
|
|
%tmp2 = load i32, i32* %j, align 4, !dbg !40
|
|
%x = getelementptr inbounds %class.A, %class.A* %agg.result, i32 0, i32 0, !dbg !40
|
|
store i32 %tmp2, i32* %x, align 4, !dbg !40
|
|
store i1 true, i1* %nrvo, !dbg !41
|
|
store i32 1, i32* %cleanup.dest.slot
|
|
%nrvo.val = load i1, i1* %nrvo, !dbg !42
|
|
br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !42
|
|
|
|
nrvo.unused: ; preds = %if.end
|
|
call void @_ZN1AD1Ev(%class.A* %agg.result), !dbg !42
|
|
br label %nrvo.skipdtor, !dbg !42
|
|
|
|
nrvo.skipdtor: ; preds = %nrvo.unused, %if.end
|
|
ret void, !dbg !42
|
|
}
|
|
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
|
|
|
|
define linkonce_odr void @_ZN1AD1Ev(%class.A* %this) unnamed_addr ssp align 2 !dbg !22 {
|
|
entry:
|
|
%this.addr = alloca %class.A*, align 8
|
|
store %class.A* %this, %class.A** %this.addr, align 8
|
|
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !43, metadata !DIExpression()), !dbg !44
|
|
%this1 = load %class.A*, %class.A** %this.addr
|
|
call void @_ZN1AD2Ev(%class.A* %this1), !dbg !53
|
|
ret void, !dbg !45
|
|
}
|
|
|
|
define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr nounwind ssp align 2 !dbg !25 {
|
|
entry:
|
|
%this.addr = alloca %class.A*, align 8
|
|
store %class.A* %this, %class.A** %this.addr, align 8
|
|
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !46, metadata !DIExpression()), !dbg !47
|
|
%this1 = load %class.A*, %class.A** %this.addr
|
|
%x = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !48
|
|
store i32 1, i32* %x, align 4, !dbg !48
|
|
ret void, !dbg !48
|
|
}
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!52}
|
|
|
|
!0 = !DISubprogram(name: "~A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
|
|
!1 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 128, align: 32, file: !51, scope: !2, elements: !4)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130127)", isOptimized: false, emissionKind: FullDebug, file: !51, enums: !{}, retainedTypes: !{})
|
|
!3 = !DIFile(filename: "a.cc", directory: "/private/tmp")
|
|
!4 = !{!5, !7, !8, !9, !0, !10, !14}
|
|
!5 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 32, align: 32, file: !51, scope: !3, baseType: !6)
|
|
!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!7 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 2, size: 32, align: 32, offset: 32, file: !51, scope: !3, baseType: !6)
|
|
!8 = !DIDerivedType(tag: DW_TAG_member, name: "z", line: 2, size: 32, align: 32, offset: 64, file: !51, scope: !3, baseType: !6)
|
|
!9 = !DIDerivedType(tag: DW_TAG_member, name: "o", line: 2, size: 32, align: 32, offset: 96, file: !51, scope: !3, baseType: !6)
|
|
!10 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
|
|
!11 = !DISubroutineType(types: !12)
|
|
!12 = !{null, !13}
|
|
!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !3, baseType: !1)
|
|
!14 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !15)
|
|
!15 = !DISubroutineType(types: !16)
|
|
!16 = !{null, !13, !17}
|
|
!17 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !2, baseType: !18)
|
|
!18 = !DIDerivedType(tag: DW_TAG_const_type, file: !3, baseType: !1)
|
|
!19 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !20)
|
|
!20 = !DISubroutineType(types: !21)
|
|
!21 = !{!1}
|
|
!22 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !23)
|
|
!23 = !DISubroutineType(types: !24)
|
|
!24 = !{null}
|
|
!25 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !23)
|
|
!26 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !19, file: !3, type: !6)
|
|
!27 = !DILocation(line: 4, column: 11, scope: !19)
|
|
!28 = !DILocalVariable(name: "j", line: 5, scope: !29, file: !3, type: !6)
|
|
!29 = distinct !DILexicalBlock(line: 4, column: 14, file: !51, scope: !19)
|
|
!30 = !DILocation(line: 5, column: 7, scope: !29)
|
|
!31 = !DILocation(line: 5, column: 12, scope: !29)
|
|
!32 = !DILocation(line: 6, column: 3, scope: !29)
|
|
!33 = !DILocation(line: 7, column: 5, scope: !34)
|
|
!34 = distinct !DILexicalBlock(line: 6, column: 16, file: !51, scope: !29)
|
|
!35 = !DILocation(line: 8, column: 3, scope: !34)
|
|
!36 = !DILocation(line: 9, column: 9, scope: !29)
|
|
!37 = !DILocalVariable(name: "my_a", line: 9, scope: !29, file: !3, type: !38)
|
|
!38 = !DIDerivedType(tag: DW_TAG_reference_type, file: !3, baseType: !1)
|
|
!39 = !DILocation(line: 9, column: 5, scope: !29)
|
|
!40 = !DILocation(line: 10, column: 3, scope: !29)
|
|
!41 = !DILocation(line: 11, column: 3, scope: !29)
|
|
!42 = !DILocation(line: 12, column: 1, scope: !29)
|
|
!43 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !22, file: !3, type: !13)
|
|
!44 = !DILocation(line: 2, column: 47, scope: !22)
|
|
!45 = !DILocation(line: 2, column: 61, scope: !22)
|
|
!46 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !25, file: !3, type: !13)
|
|
!47 = !DILocation(line: 2, column: 47, scope: !25)
|
|
!48 = !DILocation(line: 2, column: 54, scope: !49)
|
|
!49 = distinct !DILexicalBlock(line: 2, column: 52, file: !51, scope: !25)
|
|
!51 = !DIFile(filename: "a.cc", directory: "/private/tmp")
|
|
!52 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!53 = !DILocation(line: 0, scope: !22)
|