mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
89 lines
3.6 KiB
LLVM
89 lines
3.6 KiB
LLVM
; REQUIRES: object-emission
|
|
|
|
; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
|
|
|
|
; Testing that two distinct (distinct by writing them in separate files, while
|
|
; still fulfilling C++'s ODR by having identical token sequences) functions,
|
|
; linked under LTO, get plausible debug info (and don't crash).
|
|
|
|
; Built from source:
|
|
; $ clang++ a.cpp b.cpp -g -c -emit-llvm
|
|
; $ llvm-link a.bc b.bc -o ab.bc
|
|
|
|
; This change is intended to tickle a case where the subprogram MDNode
|
|
; associated with the llvm::Function will differ from the subprogram
|
|
; referenced by the DbgLocs in the function.
|
|
|
|
; $ sed -ie "s/!12, !0/!0, !12/" ab.ll
|
|
; $ cat a.cpp
|
|
; inline int func(int i) {
|
|
; return i * 2;
|
|
; }
|
|
; int (*x)(int) = &func;
|
|
; $ cat b.cpp
|
|
; inline int func(int i) {
|
|
; return i * 2;
|
|
; }
|
|
; int (*y)(int) = &func;
|
|
|
|
; The DISubprogram should show up in compile unit a.
|
|
; CHECK: DW_TAG_compile_unit
|
|
; CHECK-NOT: DW_TAG
|
|
; CHECK: DW_AT_name {{.*}}"b.cpp"
|
|
; CHECK-NOT: DW_TAG_subprogram
|
|
|
|
; CHECK: DW_TAG_compile_unit
|
|
; CHECK-NOT: DW_TAG
|
|
; CHECK: DW_AT_name {{.*}}"a.cpp"
|
|
; CHECK: DW_AT_name {{.*}} "func"
|
|
|
|
source_filename = "test/DebugInfo/Generic/cross-cu-linkonce-distinct.ll"
|
|
|
|
@x = global i32 (i32)* @_Z4funci, align 8, !dbg !0
|
|
@y = global i32 (i32)* @_Z4funci, align 8, !dbg !7
|
|
|
|
; Function Attrs: inlinehint nounwind uwtable
|
|
define linkonce_odr i32 @_Z4funci(i32 %i) #0 !dbg !18 {
|
|
%1 = alloca i32, align 4
|
|
store i32 %i, i32* %1, align 4
|
|
call void @llvm.dbg.declare(metadata i32* %1, metadata !19, metadata !20), !dbg !21
|
|
%2 = load i32, i32* %1, align 4, !dbg !22
|
|
%3 = mul nsw i32 %2, 2, !dbg !22
|
|
ret i32 %3, !dbg !22
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
|
|
|
|
attributes #0 = { inlinehint nounwind uwtable }
|
|
attributes #1 = { nounwind readnone }
|
|
|
|
!llvm.dbg.cu = !{!10, !13}
|
|
!llvm.module.flags = !{!15, !16}
|
|
!llvm.ident = !{!17, !17}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = !DIGlobalVariable(name: "x", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
|
|
!2 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo")
|
|
!3 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)
|
|
!4 = !DISubroutineType(types: !5)
|
|
!5 = !{!6, !6}
|
|
!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())
|
|
!8 = !DIGlobalVariable(name: "y", scope: null, file: !9, line: 4, type: !3, isLocal: false, isDefinition: true)
|
|
!9 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
|
|
!10 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !9, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !11, retainedTypes: !11, globals: !12, imports: !11)
|
|
!11 = !{}
|
|
!12 = !{!7}
|
|
!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !11, retainedTypes: !11, globals: !14, imports: !11)
|
|
!14 = !{!0}
|
|
!15 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!16 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!17 = !{!"clang version 3.5.0 "}
|
|
!18 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", scope: !2, file: !2, line: 1, type: !4, isLocal: false, isDefinition: true, scopeLine: 1, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !13, variables: !11)
|
|
!19 = !DILocalVariable(name: "i", arg: 1, scope: !18, file: !2, line: 1, type: !6)
|
|
!20 = !DIExpression()
|
|
!21 = !DILocation(line: 1, scope: !18)
|
|
!22 = !DILocation(line: 2, scope: !18)
|
|
|