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https://github.com/c64scene-ar/llvm-6502.git
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406658c31b
Without the 13th field, the "emission kind" field defaults to 0 (which is not equal to either of the values of the emission kind enum (1 == full debug info, 2 == line tables only)). In this particular instance, the comparison with "FullDebugInfo" was done when adding elements to the ranges list - so for these test cases no values were added to the ranges list. This got weirder when emitting debug_loc entries as the addresses should be relative to the range of the CU if the CU has only one range (the reasonable assumption is that if we're emitting debug_loc lists for a CU that CU has at least one range - but due to the above situation, it has zero) so the ranges were emitted relative to the start of the section rather than relative to the start of the CU's singular range. Fix these tests by accounting for the difference in the description of debug_loc entries (in some cases making the test ignorant to these differences, in others adding the extra label difference expression, etc) or the presence/absence of high/low_pc on the CU, and add the 13th field to their CUs to enable proper "full debug info" emission here. In a future commit I'll fix up a bunch of other test cases that are not so rigorously depending on this behavior, but still doing similarly weird things due to the missing 13th field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214937 91177308-0d34-0410-b5e6-96231b3b80d8
95 lines
6.8 KiB
LLVM
95 lines
6.8 KiB
LLVM
; RUN: llc -O2 < %s | FileCheck %s
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; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-darwin10"
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%struct.a = type { i32, %struct.a* }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.a*)* @bar to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define i8* @bar(%struct.a* %myvar) nounwind optsize noinline ssp {
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entry:
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tail call void @llvm.dbg.value(metadata !{%struct.a* %myvar}, i64 0, metadata !8)
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%0 = getelementptr inbounds %struct.a* %myvar, i64 0, i32 0, !dbg !28 ; <i32*> [#uses=1]
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%1 = load i32* %0, align 8, !dbg !28 ; <i32> [#uses=1]
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tail call void @foo(i32 %1) nounwind optsize noinline ssp, !dbg !28
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%2 = bitcast %struct.a* %myvar to i8*, !dbg !30 ; <i8*> [#uses=1]
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ret i8* %2, !dbg !30
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}
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declare void @foo(i32) nounwind optsize noinline ssp
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!38}
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!0 = metadata !{i32 786484, i32 0, metadata !1, metadata !"ret", metadata !"ret", metadata !"", metadata !1, i32 7, metadata !3, i1 false, i1 true, null, null} ; [ DW_TAG_variable ]
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!1 = metadata !{i32 786473, metadata !36} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 786449, metadata !36, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !37, metadata !37, metadata !32, metadata !31, metadata !37, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 786468, metadata !36, metadata !1, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!4 = metadata !{i32 786689, metadata !5, metadata !"x", metadata !1, i32 12, metadata !3, i32 0, null} ; [ DW_TAG_arg_variable ]
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!5 = metadata !{i32 786478, metadata !36, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", i32 13, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, void (i32)* @foo, null, null, metadata !33, i32 13} ; [ DW_TAG_subprogram ]
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!6 = metadata !{i32 786453, metadata !36, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{null, metadata !3}
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!8 = metadata !{i32 786689, metadata !9, metadata !"myvar", metadata !1, i32 17, metadata !13, i32 0, null} ; [ DW_TAG_arg_variable ]
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!9 = metadata !{i32 786478, metadata !36, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", i32 17, metadata !10, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i8* (%struct.a*)* @bar, null, null, metadata !34, i32 17} ; [ DW_TAG_subprogram ]
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!10 = metadata !{i32 786453, metadata !36, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = metadata !{metadata !12, metadata !13}
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!12 = metadata !{i32 786447, metadata !36, metadata !1, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
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!13 = metadata !{i32 786447, metadata !36, metadata !1, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !14} ; [ DW_TAG_pointer_type ]
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!14 = metadata !{i32 786451, metadata !36, metadata !1, metadata !"a", i32 2, i64 128, i64 64, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [a] [line 2, size 128, align 64, offset 0] [def] [from ]
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!15 = metadata !{metadata !16, metadata !17}
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!16 = metadata !{i32 786445, metadata !36, metadata !14, metadata !"c", i32 3, i64 32, i64 32, i64 0, i32 0, metadata !3} ; [ DW_TAG_member ]
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!17 = metadata !{i32 786445, metadata !36, metadata !14, metadata !"d", i32 4, i64 64, i64 64, i64 64, i32 0, metadata !13} ; [ DW_TAG_member ]
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!18 = metadata !{i32 786689, metadata !19, metadata !"argc", metadata !1, i32 22, metadata !3, i32 0, null} ; [ DW_TAG_arg_variable ]
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!19 = metadata !{i32 786478, metadata !36, metadata !1, metadata !"main", metadata !"main", metadata !"main", i32 22, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, null, null, null, metadata !35, i32 22} ; [ DW_TAG_subprogram ]
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!20 = metadata !{i32 786453, metadata !36, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!21 = metadata !{metadata !3, metadata !3, metadata !22}
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!22 = metadata !{i32 786447, metadata !36, metadata !1, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !23} ; [ DW_TAG_pointer_type ]
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!23 = metadata !{i32 786447, metadata !36, metadata !1, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !24} ; [ DW_TAG_pointer_type ]
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!24 = metadata !{i32 786468, metadata !36, metadata !1, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
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!25 = metadata !{i32 786689, metadata !19, metadata !"argv", metadata !1, i32 22, metadata !22, i32 0, null} ; [ DW_TAG_arg_variable ]
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!26 = metadata !{i32 786688, metadata !27, metadata !"e", metadata !1, i32 23, metadata !14, i32 0, null} ; [ DW_TAG_auto_variable ]
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!27 = metadata !{i32 786443, metadata !36, metadata !19, i32 22, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
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!28 = metadata !{i32 18, i32 0, metadata !29, null}
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!29 = metadata !{i32 786443, metadata !36, metadata !9, i32 17, i32 0, i32 1} ; [ DW_TAG_lexical_block ]
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!30 = metadata !{i32 19, i32 0, metadata !29, null}
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!31 = metadata !{metadata !0}
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!32 = metadata !{metadata !5, metadata !9, metadata !19}
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!33 = metadata !{metadata !4}
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!34 = metadata !{metadata !8}
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!35 = metadata !{metadata !18, metadata !25, metadata !26}
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!36 = metadata !{metadata !"foo.c", metadata !"/tmp/"}
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!37 = metadata !{}
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; The variable bar:myvar changes registers after the first movq.
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; It is cobbered by popq %rbx
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; CHECK: movq
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; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]]
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; CHECK: .loc 1 19 0
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; CHECK: popq
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; CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]]
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; CHECK: Ldebug_loc0:
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; CHECK-NEXT: [[SET1:.*]] = Lfunc_begin0-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET1]]
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; CHECK-NEXT: [[SET2:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET2]]
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; CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} ## Loc expr size
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; CHECK-NEXT: .short Lset{{.*}}
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: .byte 85
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: [[SET3:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET3]]
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; CHECK-NEXT: [[SET4:.*]] = [[CLOBBER]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET4]]
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; CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} ## Loc expr size
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; CHECK-NEXT: .short Lset{{.*}}
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: .byte 83
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; CHECK-NEXT: Ltmp{{.*}}:
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!38 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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