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archived-llvm/test/Linker/type-unique-type-array-a.ll
Mehdi Amini 793a2b15e7 Make the default triple optional by allowing an empty string 
When building LLVM as a (potentially dynamic) library that can be linked against
by multiple compilers, the default triple is not really meaningful.
We allow to explicitely set it to an empty string when configuring LLVM.
In this case, said "target independent" tests in the test suite that are using
the default triple are disabled by matching the newly available feature
"default_triple".

Reviewers: probinson, echristo
Differential Revision: http://reviews.llvm.org/D12660

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247775 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-16 05:34:32 +00:00

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; REQUIRES: default_triple, object-emission
;
; RUN: llvm-link %s %p/type-unique-type-array-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
;
; rdar://problem/17628609
;
; cat -n a.cpp
; 1 struct SA {
; 2 int a;
; 3 };
; 4
; 5 class A {
; 6 public:
; 7 void testA(SA a) {
; 8 }
; 9 };
; 10
; 11 void topA(A *a, SA sa) {
; 12 a->testA(sa);
; 13 }
;
; CHECK: DW_TAG_compile_unit
; CHECK: DW_TAG_class_type
; CHECK-NEXT: DW_AT_name {{.*}} "A"
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_name {{.*}} "testA"
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[STRUCT:.*]]})
; CHECK: 0x[[STRUCT]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "SA"
; CHECK: DW_TAG_compile_unit
; CHECK: DW_TAG_class_type
; CHECK-NEXT: DW_AT_name {{.*}} "B"
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_name {{.*}} "testB"
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[STRUCT]]
%class.A = type { i8 }
%struct.SA = type { i32 }
; Function Attrs: ssp uwtable
define void @_Z4topAP1A2SA(%class.A* %a, i32 %sa.coerce) #0 {
entry:
%sa = alloca %struct.SA, align 4
%a.addr = alloca %class.A*, align 8
%agg.tmp = alloca %struct.SA, align 4
%coerce.dive = getelementptr %struct.SA, %struct.SA* %sa, i32 0, i32 0
store i32 %sa.coerce, i32* %coerce.dive
store %class.A* %a, %class.A** %a.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %a.addr, metadata !24, metadata !DIExpression()), !dbg !25
call void @llvm.dbg.declare(metadata %struct.SA* %sa, metadata !26, metadata !DIExpression()), !dbg !27
%0 = load %class.A*, %class.A** %a.addr, align 8, !dbg !28
%1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28
%2 = bitcast %struct.SA* %sa to i8*, !dbg !28
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28
%coerce.dive1 = getelementptr %struct.SA, %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28
%3 = load i32, i32* %coerce.dive1, !dbg !28
call void @_ZN1A5testAE2SA(%class.A* %0, i32 %3), !dbg !28
ret void, !dbg !29
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind ssp uwtable
define linkonce_odr void @_ZN1A5testAE2SA(%class.A* %this, i32 %a.coerce) #2 align 2 {
entry:
%a = alloca %struct.SA, align 4
%this.addr = alloca %class.A*, align 8
%coerce.dive = getelementptr %struct.SA, %struct.SA* %a, i32 0, i32 0
store i32 %a.coerce, i32* %coerce.dive
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31
call void @llvm.dbg.declare(metadata %struct.SA* %a, metadata !32, metadata !DIExpression()), !dbg !33
%this1 = load %class.A*, %class.A** %this.addr
ret void, !dbg !34
}
; Function Attrs: nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!21, !22}
!llvm.ident = !{!23}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !2, imports: !2)
!1 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
!2 = !{}
!3 = !{!4, !10}
!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 5, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1A")
!5 = !{!6}
!6 = !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !"_ZTS1A", type: !7)
!7 = !DISubroutineType(types: !8)
!8 = !{null, !9, !"_ZTS2SA"}
!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A")
!10 = !DICompositeType(tag: DW_TAG_structure_type, name: "SA", line: 1, size: 32, align: 32, file: !1, elements: !11, identifier: "_ZTS2SA")
!11 = !{!12}
!12 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !"_ZTS2SA", baseType: !13)
!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!14 = !{!15, !20}
!15 = distinct !DISubprogram(name: "topA", linkageName: "_Z4topAP1A2SA", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 11, file: !1, scope: !16, type: !17, function: void (%class.A*, i32)* @_Z4topAP1A2SA, variables: !2)
!16 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
!17 = !DISubroutineType(types: !18)
!18 = !{null, !19, !"_ZTS2SA"}
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A")
!20 = distinct !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !"_ZTS1A", type: !7, function: void (%class.A*, i32)* @_ZN1A5testAE2SA, declaration: !6, variables: !2)
!21 = !{i32 2, !"Dwarf Version", i32 2}
!22 = !{i32 2, !"Debug Info Version", i32 3}
!23 = !{!"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"}
!24 = !DILocalVariable(name: "a", line: 11, arg: 1, scope: !15, file: !16, type: !19)
!25 = !DILocation(line: 11, column: 14, scope: !15)
!26 = !DILocalVariable(name: "sa", line: 11, arg: 2, scope: !15, file: !16, type: !"_ZTS2SA")
!27 = !DILocation(line: 11, column: 20, scope: !15)
!28 = !DILocation(line: 12, column: 3, scope: !15)
!29 = !DILocation(line: 13, column: 1, scope: !15)
!30 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !19)
!31 = !DILocation(line: 0, scope: !20)
!32 = !DILocalVariable(name: "a", line: 7, arg: 2, scope: !20, file: !16, type: !"_ZTS2SA")
!33 = !DILocation(line: 7, column: 17, scope: !20)
!34 = !DILocation(line: 8, column: 3, scope: !20)
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