X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FLinker%2Ftype-unique-simple-a.ll;h=2ff60a12ba4eb6c03fd9e86c7011b79848ff6d9a;hb=14ef491582a945b98f1c16648e008335fdf5952c;hp=c8f9462d80db477960ca95d11f581e3ac2c4ad9d;hpb=3f045005bf96b6521b2769fc824283589bfa133a;p=oota-llvm.git

diff --git a/test/Linker/type-unique-simple-a.ll b/test/Linker/type-unique-simple-a.ll
index c8f9462d80d..2ff60a12ba4 100644
--- a/test/Linker/type-unique-simple-a.ll
+++ b/test/Linker/type-unique-simple-a.ll
@@ -1,7 +1,27 @@
-; RUN: llvm-link %s %p/type-unique-simple-b.ll -S -o - | FileCheck %s
+; REQUIRES: object-emission
 
-; CHECK: DW_TAG_structure_type
+; RUN: llvm-link %s %p/type-unique-simple-b.ll -S -o %t
+; RUN: cat %t | FileCheck %s -check-prefix=LINK
+; RUN: %llc_dwarf -filetype=obj -O0 < %t > %t2
+; RUN: llvm-dwarfdump -debug-dump=info %t2 | FileCheck %s
+
+; Make sure the backend generates a single DIE and uses ref_addr.
+; CHECK: 0x[[BASE:.*]]: DW_TAG_structure_type
+; CHECK-NEXT: DW_AT_name {{.*}} = "Base"
 ; CHECK-NOT: DW_TAG_structure_type
+; CHECK: 0x[[INT:.*]]: DW_TAG_base_type
+; CHECK-NEXT: DW_AT_name {{.*}} = "int"
+; CHECK-NOT: DW_TAG_base_type
+
+; CHECK: DW_TAG_compile_unit
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[INT]])
+; CHECK: DW_TAG_variable
+; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[BASE]])
+
+; Make sure llvm-link only generates a single copy of the struct.
+; LINK: DW_TAG_structure_type
+; LINK-NOT: DW_TAG_structure_type
 ; Content of header files:
 ; struct Base {
 ;   int a;
@@ -34,37 +54,38 @@ entry:
   %a.addr = alloca i32, align 4
   %t = alloca %struct.Base, align 4
   store i32 %a, i32* %a.addr, align 4
-  call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !15), !dbg !16
-  call void @llvm.dbg.declare(metadata !{%struct.Base* %t}, metadata !17), !dbg !18
+  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !MDExpression()), !dbg !16
+  call void @llvm.dbg.declare(metadata %struct.Base* %t, metadata !17, metadata !MDExpression()), !dbg !18
   ret void, !dbg !19
 }
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 attributes #0 = { 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 #1 = { nounwind readnone }
 
 !llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!14}
+!llvm.module.flags = !{!14, !20}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !9, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus]
-!1 = metadata !{metadata !"foo.cpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
-!2 = metadata !{i32 0}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786451, metadata !5, null, metadata !"Base", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
-!5 = metadata !{metadata !"./a.hpp", metadata !"/Users/mren/c_testing/type_unique_air/simple"}
-!6 = metadata !{metadata !7}
-!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS4Base", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{metadata !10}
-!10 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"f", metadata !"f", metadata !"_Z1fi", i32 3, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_Z1fi, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
-!11 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp]
-!12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!13 = metadata !{null, metadata !8}
-!14 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!15 = metadata !{i32 786689, metadata !10, metadata !"a", metadata !11, i32 16777219, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 3]
-!16 = metadata !{i32 3, i32 0, metadata !10, null}
-!17 = metadata !{i32 786688, metadata !10, metadata !"t", metadata !11, i32 4, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 4]
-!18 = metadata !{i32 4, i32 0, metadata !10, null}
-!19 = metadata !{i32 5, i32 0, metadata !10, null}
+!0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !9, globals: !2, imports: !2)
+!1 = !MDFile(filename: "foo.cpp", directory: "/Users/mren/c_testing/type_unique_air/simple")
+!2 = !{}
+!3 = !{!4}
+!4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "Base", line: 1, size: 32, align: 32, file: !5, elements: !6, identifier: "_ZTS4Base")
+!5 = !MDFile(filename: "./a.hpp", directory: "/Users/mren/c_testing/type_unique_air/simple")
+!6 = !{!7}
+!7 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !5, scope: !"_ZTS4Base", baseType: !8)
+!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !{!10}
+!10 = !MDSubprogram(name: "f", linkageName: "_Z1fi", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !11, type: !12, function: void (i32)* @_Z1fi, variables: !2)
+!11 = !MDFile(filename: "foo.cpp", directory: "/Users/mren/c_testing/type_unique_air/simple")
+!12 = !MDSubroutineType(types: !13)
+!13 = !{null, !8}
+!14 = !{i32 2, !"Dwarf Version", i32 2}
+!15 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 3, arg: 1, scope: !10, file: !11, type: !8)
+!16 = !MDLocation(line: 3, scope: !10)
+!17 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "t", line: 4, scope: !10, file: !11, type: !4)
+!18 = !MDLocation(line: 4, scope: !10)
+!19 = !MDLocation(line: 5, scope: !10)
+!20 = !{i32 1, !"Debug Info Version", i32 3}