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llvm-mirror/test/DebugInfo/X86/misched-dbg-value.ll
Peter Collingbourne a9fbb2813b DebugInfo: New metadata representation for global variables.
This patch reverses the edge from DIGlobalVariable to GlobalVariable.
This will allow us to more easily preserve debug info metadata when
manipulating global variables.

Fixes PR30362. A program for upgrading test cases is attached to that
bug.

Differential Revision: http://reviews.llvm.org/D20147

llvm-svn: 281284
2016-09-13 01:12:59 +00:00

186 lines
11 KiB
LLVM

; RUN: llc %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t -enable-misched
; RUN: llvm-dwarfdump %t | FileCheck %s
; rdar://13183203
; Make sure when misched is enabled, we still have location information for
; function parameters.
; CHECK: .debug_info contents:
; CHECK: DW_TAG_compile_unit
; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "Proc8"
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "Array1Par"
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "Array2Par"
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "IntParI1"
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "IntParI2"
%struct.Record = type { %struct.Record*, i32, i32, i32, [31 x i8] }
@Version = global [4 x i8] c"1.1\00", align 1, !dbg !30
@IntGlob = common global i32 0, align 4, !dbg !35
@BoolGlob = common global i32 0, align 4, !dbg !36
@Char1Glob = common global i8 0, align 1, !dbg !38
@Char2Glob = common global i8 0, align 1, !dbg !39
@Array1Glob = common global [51 x i32] zeroinitializer, align 16, !dbg !40
@Array2Glob = common global [51 x [51 x i32]] zeroinitializer, align 16, !dbg !42
@PtrGlb = common global %struct.Record* null, align 8, !dbg !46
@PtrGlbNext = common global %struct.Record* null, align 8, !dbg !63
define void @Proc8(i32* nocapture %Array1Par, [51 x i32]* nocapture %Array2Par, i32 %IntParI1, i32 %IntParI2) nounwind optsize !dbg !12 {
entry:
tail call void @llvm.dbg.value(metadata i32* %Array1Par, i64 0, metadata !23, metadata !DIExpression()), !dbg !64
tail call void @llvm.dbg.value(metadata [51 x i32]* %Array2Par, i64 0, metadata !24, metadata !DIExpression()), !dbg !65
tail call void @llvm.dbg.value(metadata i32 %IntParI1, i64 0, metadata !25, metadata !DIExpression()), !dbg !66
tail call void @llvm.dbg.value(metadata i32 %IntParI2, i64 0, metadata !26, metadata !DIExpression()), !dbg !67
%add = add i32 %IntParI1, 5, !dbg !68
tail call void @llvm.dbg.value(metadata i32 %add, i64 0, metadata !27, metadata !DIExpression()), !dbg !68
%idxprom = sext i32 %add to i64, !dbg !69
%arrayidx = getelementptr inbounds i32, i32* %Array1Par, i64 %idxprom, !dbg !69
store i32 %IntParI2, i32* %arrayidx, align 4, !dbg !69
%add3 = add nsw i32 %IntParI1, 6, !dbg !73
%idxprom4 = sext i32 %add3 to i64, !dbg !73
%arrayidx5 = getelementptr inbounds i32, i32* %Array1Par, i64 %idxprom4, !dbg !73
store i32 %IntParI2, i32* %arrayidx5, align 4, !dbg !73
%add6 = add nsw i32 %IntParI1, 35, !dbg !74
%idxprom7 = sext i32 %add6 to i64, !dbg !74
%arrayidx8 = getelementptr inbounds i32, i32* %Array1Par, i64 %idxprom7, !dbg !74
store i32 %add, i32* %arrayidx8, align 4, !dbg !74
tail call void @llvm.dbg.value(metadata i32 %add, i64 0, metadata !28, metadata !DIExpression()), !dbg !75
br label %for.body, !dbg !75
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %idxprom, %entry ], [ %indvars.iv.next, %for.body ]
%IntIndex.046 = phi i32 [ %add, %entry ], [ %inc, %for.body ]
%arrayidx13 = getelementptr inbounds [51 x i32], [51 x i32]* %Array2Par, i64 %idxprom, i64 %indvars.iv, !dbg !77
store i32 %add, i32* %arrayidx13, align 4, !dbg !77
%inc = add nsw i32 %IntIndex.046, 1, !dbg !75
tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !28, metadata !DIExpression()), !dbg !75
%cmp = icmp sgt i32 %inc, %add3, !dbg !75
%indvars.iv.next = add i64 %indvars.iv, 1, !dbg !75
br i1 %cmp, label %for.end, label %for.body, !dbg !75
for.end: ; preds = %for.body
%sub = add nsw i32 %IntParI1, 4, !dbg !78
%idxprom14 = sext i32 %sub to i64, !dbg !78
%arrayidx17 = getelementptr inbounds [51 x i32], [51 x i32]* %Array2Par, i64 %idxprom, i64 %idxprom14, !dbg !78
%0 = load i32, i32* %arrayidx17, align 4, !dbg !78
%inc18 = add nsw i32 %0, 1, !dbg !78
store i32 %inc18, i32* %arrayidx17, align 4, !dbg !78
%1 = load i32, i32* %arrayidx, align 4, !dbg !79
%add22 = add nsw i32 %IntParI1, 25, !dbg !79
%idxprom23 = sext i32 %add22 to i64, !dbg !79
%arrayidx25 = getelementptr inbounds [51 x i32], [51 x i32]* %Array2Par, i64 %idxprom23, i64 %idxprom, !dbg !79
store i32 %1, i32* %arrayidx25, align 4, !dbg !79
store i32 5, i32* @IntGlob, align 4, !dbg !80
ret void, !dbg !81
}
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
attributes #0 = { nounwind optsize ssp uwtable }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!83}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 175015)", isOptimized: true, emissionKind: FullDebug, file: !82, enums: !1, retainedTypes: !10, globals: !29, imports: !10)
!1 = !{!2}
!2 = !DICompositeType(tag: DW_TAG_enumeration_type, line: 128, size: 32, align: 32, file: !82, elements: !4)
!3 = !DIFile(filename: "dry.c", directory: "/Users/manmanren/test-Nov/rdar_13183203/test2")
!4 = !{!5, !6, !7, !8, !9}
!5 = !DIEnumerator(name: "Ident1", value: 0) ; [ DW_TAG_enumerator ] [Ident1 :: 0]
!6 = !DIEnumerator(name: "Ident2", value: 10000) ; [ DW_TAG_enumerator ] [Ident2 :: 10000]
!7 = !DIEnumerator(name: "Ident3", value: 10001) ; [ DW_TAG_enumerator ] [Ident3 :: 10001]
!8 = !DIEnumerator(name: "Ident4", value: 10002) ; [ DW_TAG_enumerator ] [Ident4 :: 10002]
!9 = !DIEnumerator(name: "Ident5", value: 10003) ; [ DW_TAG_enumerator ] [Ident5 :: 10003]
!10 = !{}
!12 = distinct !DISubprogram(name: "Proc8", line: 180, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !0, scopeLine: 185, file: !82, scope: !3, type: !13, variables: !22)
!13 = !DISubroutineType(types: !14)
!14 = !{null, !15, !17, !21, !21}
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !16)
!16 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !18)
!18 = !DICompositeType(tag: DW_TAG_array_type, size: 1632, align: 32, baseType: !16, elements: !19)
!19 = !{!20}
!20 = !DISubrange(count: 51)
!21 = !DIDerivedType(tag: DW_TAG_typedef, name: "OneToFifty", line: 132, file: !82, baseType: !16)
!22 = !{!23, !24, !25, !26, !27, !28}
!23 = !DILocalVariable(name: "Array1Par", line: 181, arg: 1, scope: !12, file: !3, type: !15)
!24 = !DILocalVariable(name: "Array2Par", line: 182, arg: 2, scope: !12, file: !3, type: !17)
!25 = !DILocalVariable(name: "IntParI1", line: 183, arg: 3, scope: !12, file: !3, type: !21)
!26 = !DILocalVariable(name: "IntParI2", line: 184, arg: 4, scope: !12, file: !3, type: !21)
!27 = !DILocalVariable(name: "IntLoc", line: 186, scope: !12, file: !3, type: !21)
!28 = !DILocalVariable(name: "IntIndex", line: 187, scope: !12, file: !3, type: !21)
!29 = !{!30, !35, !36, !38, !39, !40, !42, !46, !63}
!30 = !DIGlobalVariable(name: "Version", line: 111, isLocal: false, isDefinition: true, scope: null, file: !3, type: !31)
!31 = !DICompositeType(tag: DW_TAG_array_type, size: 32, align: 8, baseType: !32, elements: !33)
!32 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!33 = !{!34}
!34 = !DISubrange(count: 4)
!35 = !DIGlobalVariable(name: "IntGlob", line: 171, isLocal: false, isDefinition: true, scope: null, file: !3, type: !16)
!36 = !DIGlobalVariable(name: "BoolGlob", line: 172, isLocal: false, isDefinition: true, scope: null, file: !3, type: !37)
!37 = !DIDerivedType(tag: DW_TAG_typedef, name: "boolean", line: 149, file: !82, baseType: !16)
!38 = !DIGlobalVariable(name: "Char1Glob", line: 173, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32)
!39 = !DIGlobalVariable(name: "Char2Glob", line: 174, isLocal: false, isDefinition: true, scope: null, file: !3, type: !32)
!40 = !DIGlobalVariable(name: "Array1Glob", line: 175, isLocal: false, isDefinition: true, scope: null, file: !3, type: !41)
!41 = !DIDerivedType(tag: DW_TAG_typedef, name: "Array1Dim", line: 135, file: !82, baseType: !18)
!42 = !DIGlobalVariable(name: "Array2Glob", line: 176, isLocal: false, isDefinition: true, scope: null, file: !3, type: !43)
!43 = !DIDerivedType(tag: DW_TAG_typedef, name: "Array2Dim", line: 136, file: !82, baseType: !44)
!44 = !DICompositeType(tag: DW_TAG_array_type, size: 83232, align: 32, baseType: !16, elements: !45)
!45 = !{!20, !20}
!46 = !DIGlobalVariable(name: "PtrGlb", line: 177, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47)
!47 = !DIDerivedType(tag: DW_TAG_typedef, name: "RecordPtr", line: 148, file: !82, baseType: !48)
!48 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !49)
!49 = !DIDerivedType(tag: DW_TAG_typedef, name: "RecordType", line: 147, file: !82, baseType: !50)
!50 = !DICompositeType(tag: DW_TAG_structure_type, name: "Record", line: 138, size: 448, align: 64, file: !82, elements: !51)
!51 = !{!52, !54, !56, !57, !58}
!52 = !DIDerivedType(tag: DW_TAG_member, name: "PtrComp", line: 140, size: 64, align: 64, file: !82, scope: !50, baseType: !53)
!53 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !50)
!54 = !DIDerivedType(tag: DW_TAG_member, name: "Discr", line: 141, size: 32, align: 32, offset: 64, file: !82, scope: !50, baseType: !55)
!55 = !DIDerivedType(tag: DW_TAG_typedef, name: "Enumeration", line: 128, file: !82, baseType: !2)
!56 = !DIDerivedType(tag: DW_TAG_member, name: "EnumComp", line: 142, size: 32, align: 32, offset: 96, file: !82, scope: !50, baseType: !55)
!57 = !DIDerivedType(tag: DW_TAG_member, name: "IntComp", line: 143, size: 32, align: 32, offset: 128, file: !82, scope: !50, baseType: !21)
!58 = !DIDerivedType(tag: DW_TAG_member, name: "StringComp", line: 144, size: 248, align: 8, offset: 160, file: !82, scope: !50, baseType: !59)
!59 = !DIDerivedType(tag: DW_TAG_typedef, name: "String30", line: 134, file: !82, baseType: !60)
!60 = !DICompositeType(tag: DW_TAG_array_type, size: 248, align: 8, baseType: !32, elements: !61)
!61 = !{!62}
!62 = !DISubrange(count: 31)
!63 = !DIGlobalVariable(name: "PtrGlbNext", line: 178, isLocal: false, isDefinition: true, scope: null, file: !3, type: !47)
!64 = !DILocation(line: 181, scope: !12)
!65 = !DILocation(line: 182, scope: !12)
!66 = !DILocation(line: 183, scope: !12)
!67 = !DILocation(line: 184, scope: !12)
!68 = !DILocation(line: 189, scope: !12)
!69 = !DILocation(line: 190, scope: !12)
!73 = !DILocation(line: 191, scope: !12)
!74 = !DILocation(line: 192, scope: !12)
!75 = !DILocation(line: 193, scope: !76)
!76 = distinct !DILexicalBlock(line: 193, column: 0, file: !82, scope: !12)
!77 = !DILocation(line: 194, scope: !76)
!78 = !DILocation(line: 195, scope: !12)
!79 = !DILocation(line: 196, scope: !12)
!80 = !DILocation(line: 197, scope: !12)
!81 = !DILocation(line: 198, scope: !12)
!82 = !DIFile(filename: "dry.c", directory: "/Users/manmanren/test-Nov/rdar_13183203/test2")
!83 = !{i32 1, !"Debug Info Version", i32 3}