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llvm-6502/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
David Blaikie 41087d99df DebugInfo: Create abstract function definitions even when concrete definitions preceed inline definitions. 
After much puppetry, here's the major piece of the work to ensure that
even when a concrete definition preceeds all inline definitions, an
abstract definition is still created and referenced from both concrete
and inline definitions.

Variables are still broken in this case (see comment in
dbg-value-inlined-parameter.ll test case) and will be addressed in
follow up work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209677 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-27 18:37:55 +00:00

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; RUN: llc -mtriple=x86_64-apple-darwin < %s -filetype=obj \
; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s
; RUN: llc -mtriple=x86_64-linux-gnu < %s -filetype=obj \
; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=LINUX %s
; RUN: llc -mtriple=x86_64-apple-darwin < %s -filetype=obj -regalloc=basic \
; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_abstract_origin {{.*}}{[[ABS:.*]]}
; FIXME: An out of line definition preceeding an inline usage doesn't properly
; reference abstract variables.
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_name {{.*}} "sp"
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_name {{.*}} "nums"
; CHECK: [[ABS]]: DW_TAG_subprogram
; CHECK: DW_AT_name {{.*}} "foo"
; CHECK: [[ABS_SP:.*]]: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_name {{.*}} "sp"
; CHECK: [[ABS_NUMS:.*]]: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_name {{.*}} "nums"
;CHECK: DW_TAG_inlined_subroutine
;CHECK-NEXT: DW_AT_abstract_origin {{.*}}{[[ABS]]}
;CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr]
;CHECK-NEXT: DW_AT_high_pc [DW_FORM_data4]
;CHECK-NEXT: DW_AT_call_file
;CHECK-NEXT: DW_AT_call_line
;CHECK: DW_TAG_formal_parameter
;FIXME: Linux shouldn't drop this parameter either...
;DARWIN-NEXT: DW_AT_abstract_origin {{.*}}{[[ABS_SP]]}
;DARWIN: DW_TAG_formal_parameter
;CHECK-NEXT: DW_AT_abstract_origin {{.*}}{[[ABS_NUMS]]}
;CHECK-NOT: DW_TAG_formal_parameter
%struct.S1 = type { float*, i32 }
@p = common global %struct.S1 zeroinitializer, align 8
define i32 @foo(%struct.S1* nocapture %sp, i32 %nums) nounwind optsize ssp {
entry:
tail call void @llvm.dbg.value(metadata !{%struct.S1* %sp}, i64 0, metadata !9), !dbg !20
tail call void @llvm.dbg.value(metadata !{i32 %nums}, i64 0, metadata !18), !dbg !21
%tmp2 = getelementptr inbounds %struct.S1* %sp, i64 0, i32 1, !dbg !22
store i32 %nums, i32* %tmp2, align 4, !dbg !22
%call = tail call float* @bar(i32 %nums) nounwind optsize, !dbg !27
%tmp5 = getelementptr inbounds %struct.S1* %sp, i64 0, i32 0, !dbg !27
store float* %call, float** %tmp5, align 8, !dbg !27
%cmp = icmp ne float* %call, null, !dbg !29
%cond = zext i1 %cmp to i32, !dbg !29
ret i32 %cond, !dbg !29
}
declare float* @bar(i32) optsize
define void @foobar() nounwind optsize ssp {
entry:
tail call void @llvm.dbg.value(metadata !30, i64 0, metadata !9) nounwind, !dbg !31
tail call void @llvm.dbg.value(metadata !34, i64 0, metadata !18) nounwind, !dbg !35
store i32 1, i32* getelementptr inbounds (%struct.S1* @p, i64 0, i32 1), align 8, !dbg !36
%call.i = tail call float* @bar(i32 1) nounwind optsize, !dbg !37
store float* %call.i, float** getelementptr inbounds (%struct.S1* @p, i64 0, i32 0), align 8, !dbg !37
ret void, !dbg !38
}
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!43}
!0 = metadata !{i32 786478, metadata !1, metadata !1, metadata !"foo", metadata !"foo", metadata !"", i32 8, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (%struct.S1*, i32)* @foo, null, null, metadata !41, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [foo]
!1 = metadata !{i32 786473, metadata !42} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 786449, metadata !42, i32 12, metadata !"clang version 2.9 (trunk 125693)", i1 true, metadata !"", i32 0, metadata !8, metadata !8, metadata !39, metadata !40, metadata !44, null} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 786453, metadata !42, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786468, null, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!6 = metadata !{i32 786478, metadata !1, metadata !1, metadata !"foobar", metadata !"foobar", metadata !"", i32 15, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 true, void ()* @foobar, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 15] [def] [scope 0] [foobar]
!7 = metadata !{i32 786453, metadata !42, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{null}
!9 = metadata !{i32 786689, metadata !0, metadata !"sp", metadata !1, i32 16777223, metadata !10, i32 0, metadata !32} ; [ DW_TAG_arg_variable ]
!10 = metadata !{i32 786447, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
!11 = metadata !{i32 786454, metadata !42, metadata !2, metadata !"S1", i32 4, i64 0, i64 0, i64 0, i32 0, metadata !12} ; [ DW_TAG_typedef ]
!12 = metadata !{i32 786451, metadata !42, metadata !2, metadata !"S1", i32 1, i64 128, i64 64, i32 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [S1] [line 1, size 128, align 64, offset 0] [def] [from ]
!13 = metadata !{metadata !14, metadata !17}
!14 = metadata !{i32 786445, metadata !42, metadata !1, metadata !"m", i32 2, i64 64, i64 64, i64 0, i32 0, metadata !15} ; [ DW_TAG_member ]
!15 = metadata !{i32 786447, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ]
!16 = metadata !{i32 786468, null, metadata !2, metadata !"float", i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
!17 = metadata !{i32 786445, metadata !42, metadata !1, metadata !"nums", i32 3, i64 32, i64 32, i64 64, i32 0, metadata !5} ; [ DW_TAG_member ]
!18 = metadata !{i32 786689, metadata !0, metadata !"nums", metadata !1, i32 33554439, metadata !5, i32 0, metadata !32} ; [ DW_TAG_arg_variable ]
!19 = metadata !{i32 786484, i32 0, metadata !2, metadata !"p", metadata !"p", metadata !"", metadata !1, i32 14, metadata !11, i32 0, i32 1, %struct.S1* @p, null} ; [ DW_TAG_variable ]
!20 = metadata !{i32 7, i32 13, metadata !0, null}
!21 = metadata !{i32 7, i32 21, metadata !0, null}
!22 = metadata !{i32 9, i32 3, metadata !23, null}
!23 = metadata !{i32 786443, metadata !1, metadata !0, i32 8, i32 1, i32 0} ; [ DW_TAG_lexical_block ]
!27 = metadata !{i32 10, i32 3, metadata !23, null}
!29 = metadata !{i32 11, i32 3, metadata !23, null}
!30 = metadata !{%struct.S1* @p}
!31 = metadata !{i32 7, i32 13, metadata !0, metadata !32}
!32 = metadata !{i32 16, i32 3, metadata !33, null}
!33 = metadata !{i32 786443, metadata !1, metadata !6, i32 15, i32 15, i32 1} ; [ DW_TAG_lexical_block ]
!34 = metadata !{i32 1}
!35 = metadata !{i32 7, i32 21, metadata !0, metadata !32}
!36 = metadata !{i32 9, i32 3, metadata !23, metadata !32}
!37 = metadata !{i32 10, i32 3, metadata !23, metadata !32}
!38 = metadata !{i32 17, i32 1, metadata !33, null}
!39 = metadata !{metadata !0, metadata !6}
!40 = metadata !{metadata !19}
!41 = metadata !{metadata !9, metadata !18}
!42 = metadata !{metadata !"nm2.c", metadata !"/private/tmp"}
!43 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!44 = metadata !{}
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