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llvm-6502/test/DebugInfo/X86/byvalstruct.ll
Manman Ren 6e3cd0ebe2 Debug Info: add an identifier field to DICompositeType. 
DICompositeType will have an identifier field at position 14. For now, the
field is set to null in DIBuilder.
For DICompositeTypes where the template argument field (the 13th field)
was optional, modify DIBuilder to make sure the template argument field is set.
Now DICompositeType has 15 fields.

Update DIBuilder to use NULL instead of "i32 0" for null value of a MDNode.
Update verifier to check that DICompositeType has 15 fields and the last
field is null or a MDString.

Update testing cases to include an extra field for DICompositeType.
The identifier field will be used by type uniquing so a front end can
genearte a DICompositeType with a unique identifer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189282 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-26 22:39:55 +00:00

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; RUN: llc -mtriple=x86_64-apple-macosx10.8.0 -O0 -filetype=obj -o %t %s
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; Test that we generate debug info for by-value struct args that are not used.
;
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_name {{.*}} "info"
;
; generated from
;
; typedef unsigned long NSUInteger;
; typedef struct
; {
; NSUInteger width;
; NSUInteger height;
; double pixelAspect;
; } ImageInfo;
; @implementation Bitmap
; - (id)initWithCopy:(Bitmap *)otherBitmap
; andInfo:(ImageInfo)info
; andLength:(NSUInteger)length
; {
; }
; @end
; ModuleID = 't.mm'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
%0 = type opaque
%struct._objc_cache = type opaque
%struct._class_t = type { %struct._class_t*, %struct._class_t*, %struct._objc_cache*, i8* (i8*, i8*)**, %struct._class_ro_t* }
%struct._class_ro_t = type { i32, i32, i32, i8*, i8*, %struct.__method_list_t*, %struct._objc_protocol_list*, %struct._ivar_list_t*, i8*, %struct._prop_list_t* }
%struct.__method_list_t = type { i32, i32, [0 x %struct._objc_method] }
%struct._objc_method = type { i8*, i8*, i8* }
%struct._objc_protocol_list = type { i64, [0 x %struct._protocol_t*] }
%struct._protocol_t = type { i8*, i8*, %struct._objc_protocol_list*, %struct.__method_list_t*, %struct.__method_list_t*, %struct.__method_list_t*, %struct.__method_list_t*, %struct._prop_list_t*, i32, i32, i8** }
%struct._prop_list_t = type { i32, i32, [0 x %struct._prop_t] }
%struct._prop_t = type { i8*, i8* }
%struct._ivar_list_t = type { i32, i32, [0 x %struct._ivar_t] }
%struct._ivar_t = type { i64*, i8*, i8*, i32, i32 }
%struct.ImageInfo = type { i64, i64, double }
@_objc_empty_cache = external global %struct._objc_cache
@_objc_empty_vtable = external global i8* (i8*, i8*)*
@"OBJC_CLASS_$_Bitmap" = global %struct._class_t { %struct._class_t* @"OBJC_METACLASS_$_Bitmap", %struct._class_t* null, %struct._objc_cache* @_objc_empty_cache, i8* (i8*, i8*)** @_objc_empty_vtable, %struct._class_ro_t* @"\01l_OBJC_CLASS_RO_$_Bitmap" }, section "__DATA, __objc_data", align 8
@"OBJC_METACLASS_$_Bitmap" = global %struct._class_t { %struct._class_t* @"OBJC_METACLASS_$_Bitmap", %struct._class_t* @"OBJC_CLASS_$_Bitmap", %struct._objc_cache* @_objc_empty_cache, i8* (i8*, i8*)** @_objc_empty_vtable, %struct._class_ro_t* @"\01l_OBJC_METACLASS_RO_$_Bitmap" }, section "__DATA, __objc_data", align 8
@"\01L_OBJC_CLASS_NAME_" = internal global [7 x i8] c"Bitmap\00", section "__TEXT,__objc_classname,cstring_literals", align 1
@"\01l_OBJC_METACLASS_RO_$_Bitmap" = internal global %struct._class_ro_t { i32 3, i32 40, i32 40, i8* null, i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), %struct.__method_list_t* null, %struct._objc_protocol_list* null, %struct._ivar_list_t* null, i8* null, %struct._prop_list_t* null }, section "__DATA, __objc_const", align 8
@"\01L_OBJC_METH_VAR_NAME_" = internal global [32 x i8] c"initWithCopy:andInfo:andLength:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
@"\01L_OBJC_METH_VAR_TYPE_" = internal global [23 x i8] c"@56@0:8@16{?=QQd}24Q48\00", section "__TEXT,__objc_methtype,cstring_literals", align 1
@"\01l_OBJC_$_INSTANCE_METHODS_Bitmap" = internal global { i32, i32, [1 x %struct._objc_method] } { i32 24, i32 1, [1 x %struct._objc_method] [%struct._objc_method { i8* getelementptr inbounds ([32 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* getelementptr inbounds ([23 x i8]* @"\01L_OBJC_METH_VAR_TYPE_", i32 0, i32 0), i8* bitcast (i8* (%0*, i8*, %0*, %struct.ImageInfo*, i64)* @"\01-[Bitmap initWithCopy:andInfo:andLength:]" to i8*) }] }, section "__DATA, __objc_const", align 8
@"\01l_OBJC_CLASS_RO_$_Bitmap" = internal global %struct._class_ro_t { i32 2, i32 0, i32 0, i8* null, i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), %struct.__method_list_t* bitcast ({ i32, i32, [1 x %struct._objc_method] }* @"\01l_OBJC_$_INSTANCE_METHODS_Bitmap" to %struct.__method_list_t*), %struct._objc_protocol_list* null, %struct._ivar_list_t* null, i8* null, %struct._prop_list_t* null }, section "__DATA, __objc_const", align 8
@"\01L_OBJC_LABEL_CLASS_$" = internal global [1 x i8*] [i8* bitcast (%struct._class_t* @"OBJC_CLASS_$_Bitmap" to i8*)], section "__DATA, __objc_classlist, regular, no_dead_strip", align 8
@llvm.used = appending global [5 x i8*] [i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), i8* getelementptr inbounds ([32 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* getelementptr inbounds ([23 x i8]* @"\01L_OBJC_METH_VAR_TYPE_", i32 0, i32 0), i8* bitcast ({ i32, i32, [1 x %struct._objc_method] }* @"\01l_OBJC_$_INSTANCE_METHODS_Bitmap" to i8*), i8* bitcast ([1 x i8*]* @"\01L_OBJC_LABEL_CLASS_$" to i8*)], section "llvm.metadata"
; Function Attrs: ssp uwtable
define internal i8* @"\01-[Bitmap initWithCopy:andInfo:andLength:]"(%0* %self, i8* %_cmd, %0* %otherBitmap, %struct.ImageInfo* byval align 8 %info, i64 %length) #0 {
entry:
%retval = alloca i8*, align 8
%self.addr = alloca %0*, align 8
%_cmd.addr = alloca i8*, align 8
%otherBitmap.addr = alloca %0*, align 8
%length.addr = alloca i64, align 8
store %0* %self, %0** %self.addr, align 8
call void @llvm.dbg.declare(metadata !{%0** %self.addr}, metadata !28), !dbg !29
store i8* %_cmd, i8** %_cmd.addr, align 8
call void @llvm.dbg.declare(metadata !{i8** %_cmd.addr}, metadata !30), !dbg !29
store %0* %otherBitmap, %0** %otherBitmap.addr, align 8
call void @llvm.dbg.declare(metadata !{%0** %otherBitmap.addr}, metadata !32), !dbg !29
call void @llvm.dbg.declare(metadata !{%struct.ImageInfo* %info}, metadata !33), !dbg !34
store i64 %length, i64* %length.addr, align 8
call void @llvm.dbg.declare(metadata !{i64* %length.addr}, metadata !35), !dbg !36
%0 = load i8** %retval, !dbg !37
ret i8* %0, !dbg !37
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) #1
attributes #0 = { ssp uwtable }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!24, !25, !26, !27}
!0 = metadata !{i32 786449, metadata !1, i32 17, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 2, metadata !2, metadata !3, metadata !6, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/t.mm] [DW_LANG_ObjC_plus_plus]
!1 = metadata !{metadata !"t.mm", metadata !""}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786451, metadata !1, metadata !5, metadata !"Bitmap", i32 8, i64 8, i64 8, i32 0, i32 512, null, metadata !2, i32 17, null, null, null} ; [ DW_TAG_structure_type ] [Bitmap] [line 8, size 8, align 8, offset 0] [def] [from ]
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/t.mm]
!6 = metadata !{metadata !7}
!7 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"-[Bitmap initWithCopy:andInfo:andLength:]", metadata !"-[Bitmap initWithCopy:andInfo:andLength:]", metadata !"", i32 9, metadata !8, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, i8* (%0*, i8*, %0*, %struct.ImageInfo*, i64)* @"\01-[Bitmap initWithCopy:andInfo:andLength:]", null, null, metadata !2, i32 9} ; [ DW_TAG_subprogram ] [line 9] [local] [def] [-[Bitmap initWithCopy:andInfo:andLength:]]
!8 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !9, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!9 = metadata !{metadata !4, metadata !10, metadata !11, metadata !14, metadata !15, metadata !19}
!10 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !4} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from Bitmap]
!11 = metadata !{i32 786454, metadata !1, i32 0, metadata !"SEL", i32 9, i64 0, i64 0, i64 0, i32 64, metadata !12} ; [ DW_TAG_typedef ] [SEL] [line 9, size 0, align 0, offset 0] [artificial] [from ]
!12 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !13} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from objc_selector]
!13 = metadata !{i32 786451, metadata !1, null, metadata !"objc_selector", i32 0, i64 0, i64 0, i32 0, i32 4, null, null, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [objc_selector] [line 0, size 0, align 0, offset 0] [decl] [from ]
!14 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !4} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from Bitmap]
!15 = metadata !{i32 786454, metadata !1, null, metadata !"ImageInfo", i32 7, i64 0, i64 0, i64 0, i32 0, metadata !16} ; [ DW_TAG_typedef ] [ImageInfo] [line 7, size 0, align 0, offset 0] [from ]
!16 = metadata !{i32 786451, metadata !1, null, metadata !"", i32 2, i64 192, i64 64, i32 0, i32 0, null, metadata !17, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [line 2, size 192, align 64, offset 0] [def] [from ]
!17 = metadata !{metadata !18, metadata !21, metadata !22}
!18 = metadata !{i32 786445, metadata !1, metadata !16, metadata !"width", i32 4, i64 64, i64 64, i64 0, i32 0, metadata !19} ; [ DW_TAG_member ] [width] [line 4, size 64, align 64, offset 0] [from NSUInteger]
!19 = metadata !{i32 786454, metadata !1, null, metadata !"NSUInteger", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !20} ; [ DW_TAG_typedef ] [NSUInteger] [line 1, size 0, align 0, offset 0] [from long unsigned int]
!20 = metadata !{i32 786468, null, null, metadata !"long unsigned int", i32 0, i64 64, i64 64, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ] [long unsigned int] [line 0, size 64, align 64, offset 0, enc DW_ATE_unsigned]
!21 = metadata !{i32 786445, metadata !1, metadata !16, metadata !"height", i32 5, i64 64, i64 64, i64 64, i32 0, metadata !19} ; [ DW_TAG_member ] [height] [line 5, size 64, align 64, offset 64] [from NSUInteger]
!22 = metadata !{i32 786445, metadata !1, metadata !16, metadata !"pixelAspect", i32 6, i64 64, i64 64, i64 128, i32 0, metadata !23} ; [ DW_TAG_member ] [pixelAspect] [line 6, size 64, align 64, offset 128] [from double]
!23 = metadata !{i32 786468, null, null, metadata !"double", i32 0, i64 64, i64 64, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ] [double] [line 0, size 64, align 64, offset 0, enc DW_ATE_float]
!24 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
!25 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
!26 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
!27 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}
!28 = metadata !{i32 786689, metadata !7, metadata !"self", metadata !5, i32 16777225, metadata !14, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [self] [line 9]
!29 = metadata !{i32 9, i32 0, metadata !7, null}
!30 = metadata !{i32 786689, metadata !7, metadata !"_cmd", metadata !5, i32 33554441, metadata !31, i32 64, i32 0} ; [ DW_TAG_arg_variable ] [_cmd] [line 9]
!31 = metadata !{i32 786454, metadata !1, null, metadata !"SEL", i32 9, i64 0, i64 0, i64 0, i32 0, metadata !12} ; [ DW_TAG_typedef ] [SEL] [line 9, size 0, align 0, offset 0] [from ]
!32 = metadata !{i32 786689, metadata !7, metadata !"otherBitmap", metadata !5, i32 50331657, metadata !14, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [otherBitmap] [line 9]
!33 = metadata !{i32 786689, metadata !7, metadata !"info", metadata !5, i32 67108874, metadata !15, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [info] [line 10]
!34 = metadata !{i32 10, i32 0, metadata !7, null}
!35 = metadata !{i32 786689, metadata !7, metadata !"length", metadata !5, i32 83886091, metadata !19, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [length] [line 11]
!36 = metadata !{i32 11, i32 0, metadata !7, null}
!37 = metadata !{i32 13, i32 0, metadata !7, null}
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