forked from OSchip/llvm-project
63 lines
2.8 KiB
LLVM
63 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin10 < %s | FileCheck %s
|
|
|
|
%struct.a = type { i32 }
|
|
|
|
define i32 @bar(%struct.a* nocapture %b) nounwind ssp {
|
|
entry:
|
|
tail call void @llvm.dbg.value(metadata %struct.a* %b, i64 0, metadata !6, metadata !DIExpression()), !dbg !13
|
|
%tmp1 = getelementptr inbounds %struct.a, %struct.a* %b, i64 0, i32 0, !dbg !14
|
|
%tmp2 = load i32, i32* %tmp1, align 4, !dbg !14
|
|
tail call void @llvm.dbg.value(metadata i32 %tmp2, i64 0, metadata !11, metadata !DIExpression()), !dbg !14
|
|
%call = tail call i32 (...) @foo(i32 %tmp2) nounwind , !dbg !18
|
|
%add = add nsw i32 %tmp2, 1, !dbg !19
|
|
ret i32 %add, !dbg !19
|
|
}
|
|
|
|
declare i32 @foo(...)
|
|
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!24}
|
|
|
|
!0 = distinct !DISubprogram(name: "bar", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, file: !22, scope: !1, type: !3, function: i32 (%struct.a*)* @bar, variables: !21)
|
|
!1 = !DIFile(filename: "bar.c", directory: "/private/tmp")
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 122997)", isOptimized: true, emissionKind: 1, file: !22, enums: !23, retainedTypes: !23, subprograms: !20, imports: null)
|
|
!3 = !DISubroutineType(types: !4)
|
|
!4 = !{!5}
|
|
!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!6 = !DILocalVariable(name: "b", line: 5, arg: 1, scope: !0, file: !1, type: !7)
|
|
!7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !2, baseType: !8)
|
|
!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "a", line: 1, size: 32, align: 32, file: !22, scope: !2, elements: !9)
|
|
!9 = !{!10}
|
|
!10 = !DIDerivedType(tag: DW_TAG_member, name: "c", line: 2, size: 32, align: 32, file: !22, scope: !1, baseType: !5)
|
|
!11 = !DILocalVariable(name: "x", line: 6, scope: !12, file: !1, type: !5)
|
|
!12 = distinct !DILexicalBlock(line: 5, column: 22, file: !22, scope: !0)
|
|
!13 = !DILocation(line: 5, column: 19, scope: !0)
|
|
!14 = !DILocation(line: 6, column: 14, scope: !12)
|
|
!18 = !DILocation(line: 7, column: 2, scope: !12)
|
|
!19 = !DILocation(line: 8, column: 2, scope: !12)
|
|
!20 = !{!0}
|
|
!21 = !{!6, !11}
|
|
!22 = !DIFile(filename: "bar.c", directory: "/private/tmp")
|
|
!23 = !{}
|
|
|
|
; Check that variable bar:b value range is appropriately truncated in debug info.
|
|
; The variable is in %rdi which is clobbered by 'movl %ebx, %edi'
|
|
; Here Ltmp7 is the end of the location range.
|
|
|
|
;CHECK: .loc 1 7 2
|
|
;CHECK: movl
|
|
;CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]]
|
|
|
|
;CHECK:Ldebug_loc0:
|
|
;CHECK-NEXT: Lset{{.*}} =
|
|
;CHECK-NEXT: .quad
|
|
;CHECK-NEXT: [[CLOBBER_OFF:Lset.*]] = [[CLOBBER]]-{{.*}}
|
|
;CHECK-NEXT: .quad [[CLOBBER_OFF]]
|
|
;CHECK-NEXT: .short 1 ## Loc expr size
|
|
;CHECK-NEXT: .byte 85 ## DW_OP_reg
|
|
;CHECK-NEXT: .quad 0
|
|
;CHECK-NEXT: .quad 0
|
|
!24 = !{i32 1, !"Debug Info Version", i32 3}
|