forked from OSchip/llvm-project
65 lines
3.0 KiB
LLVM
65 lines
3.0 KiB
LLVM
; RUN: llc -mtriple i686-pc-cygwin -O2 %s -o - | FileCheck %s
|
|
; Check struct X for dead variable xyz from inlined function foo.
|
|
|
|
; CHECK: Lsection_info
|
|
; CHECK: DW_TAG_structure_type
|
|
; CHECK-NEXT: info_string
|
|
|
|
source_filename = "test/DebugInfo/X86/InlinedFnLocalVar.ll"
|
|
|
|
@i = common global i32 0, !dbg !0
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #0
|
|
|
|
; Function Attrs: nounwind ssp
|
|
define i32 @bar() #1 !dbg !8 {
|
|
entry:
|
|
%0 = load i32, i32* @i, align 4, !dbg !11
|
|
tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !13, metadata !24), !dbg !25
|
|
tail call void @llvm.dbg.declare(metadata !5, metadata !18, metadata !24), !dbg !26
|
|
%1 = mul nsw i32 %0, %0, !dbg !27
|
|
store i32 %1, i32* @i, align 4, !dbg !11
|
|
ret i32 %1, !dbg !28
|
|
}
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
attributes #1 = { nounwind ssp }
|
|
|
|
!llvm.dbg.cu = !{!4}
|
|
!llvm.module.flags = !{!7}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1)
|
|
!1 = !DIGlobalVariable(name: "i", scope: !2, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)
|
|
!2 = !DIFile(filename: "bar.c", directory: "/tmp/")
|
|
!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!4 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)
|
|
!5 = !{}
|
|
!6 = !{!0}
|
|
!7 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!8 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !2, file: !2, line: 14, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !4)
|
|
!9 = !DISubroutineType(types: !10)
|
|
!10 = !{!3}
|
|
!11 = !DILocation(line: 15, scope: !12)
|
|
!12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 14)
|
|
!13 = !DILocalVariable(name: "j", arg: 1, scope: !14, file: !2, line: 9, type: !3)
|
|
!14 = distinct !DISubprogram(name: "foo", scope: !2, file: !2, line: 9, type: !15, isLocal: true, isDefinition: true, scopeLine: 9, virtualIndex: 6, isOptimized: true, unit: !4, variables: !17)
|
|
!15 = !DISubroutineType(types: !16)
|
|
!16 = !{!3, !3}
|
|
!17 = !{!13, !18}
|
|
!18 = !DILocalVariable(name: "xyz", scope: !19, file: !2, line: 10, type: !20)
|
|
!19 = distinct !DILexicalBlock(scope: !14, file: !2, line: 9)
|
|
!20 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !14, file: !2, line: 10, size: 64, align: 32, elements: !21)
|
|
!21 = !{!22, !23}
|
|
!22 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32)
|
|
!23 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32, offset: 32)
|
|
!24 = !DIExpression()
|
|
!25 = !DILocation(line: 9, scope: !14, inlinedAt: !11)
|
|
!26 = !DILocation(line: 9, scope: !19, inlinedAt: !11)
|
|
!27 = !DILocation(line: 11, scope: !19, inlinedAt: !11)
|
|
!28 = !DILocation(line: 16, scope: !12)
|
|
|