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llvm-mirror/test/CodeGen/X86/2010-05-28-Crash.ll
Keno Fischer 0efdadb478 [Verifier] Fix !dbg validation if Scope is the Subprogram
Summary:
We are inserting both Scope and SP into the Seen map and check whether
it was already there in which case we skip the validation (the idea
being that we already checked this Subprogram before). However,
if (Scope == SP) as MDNodes, then inserting the Scope, will trigger
the Seen check causing us to incorrectly not validate this !dbg
attachment. Fix this by not performing the SP Seen check if Scope == SP

Reviewers: pcc, dexonsmith, dblaikie

Subscribers: dblaikie, llvm-commits

Differential Revision: http://reviews.llvm.org/D14697

llvm-svn: 254887
2015-12-06 23:05:38 +00:00

53 lines
2.6 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
; RUN: llc -mtriple=x86_64-apple-darwin -regalloc=basic < %s | FileCheck %s
; Test to check separate label for inlined function argument.
define i32 @foo(i32 %y) nounwind optsize ssp !dbg !1 {
entry:
tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1)
%0 = tail call i32 (...) @zoo(i32 %y) nounwind, !dbg !9 ; <i32> [#uses=1]
ret i32 %0, !dbg !9
}
declare i32 @zoo(...)
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
define i32 @bar(i32 %x) nounwind optsize ssp !dbg !8 {
entry:
tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !7, metadata !DIExpression()), !dbg !DILocation(scope: !8)
tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !0, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !1, inlinedAt: !DILocation(scope: !8))
%0 = tail call i32 (...) @zoo(i32 1) nounwind, !dbg !12 ; <i32> [#uses=1]
%1 = add nsw i32 %0, %x, !dbg !13 ; <i32> [#uses=1]
ret i32 %1, !dbg !13
}
!llvm.dbg.cu = !{!3}
!llvm.module.flags = !{!20}
!0 = !DILocalVariable(name: "y", line: 2, arg: 1, scope: !1, file: !2, type: !6)
!1 = distinct !DISubprogram(name: "foo", linkageName: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 2, file: !18, scope: !2, type: !4, variables: !15)
!2 = !DIFile(filename: "f.c", directory: "/tmp")
!3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 1, file: !18, enums: !19, retainedTypes: !19, subprograms: !17, imports: null)
!4 = !DISubroutineType(types: !5)
!5 = !{!6, !6}
!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!7 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !2, type: !6)
!8 = distinct !DISubprogram(name: "bar", linkageName: "bar", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 6, file: !18, scope: !2, type: !4, variables: !16)
!9 = !DILocation(line: 3, scope: !10)
!10 = distinct !DILexicalBlock(line: 2, column: 0, file: !18, scope: !1)
!11 = !{i32 1}
!12 = !DILocation(line: 3, scope: !10, inlinedAt: !13)
!13 = !DILocation(line: 7, scope: !14)
!14 = distinct !DILexicalBlock(line: 6, column: 0, file: !18, scope: !8)
!15 = !{!0}
!16 = !{!7}
!17 = !{!1, !8}
!18 = !DIFile(filename: "f.c", directory: "/tmp")
!19 = !{}
;CHECK: DEBUG_VALUE: bar:x <- %E
;CHECK: Ltmp
;CHECK: DEBUG_VALUE: foo:y <- 1{{$}}
!20 = !{i32 1, !"Debug Info Version", i32 3}