55 lines
3.5 KiB
LLVM
55 lines
3.5 KiB
LLVM
; RUN: llc -O2 %s -o - | FileCheck %s
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; Check struct X for dead variable xyz from inlined function foo.
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name
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@i = common global i32 0 ; <i32*> [#uses=2]
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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define i32 @bar() nounwind ssp {
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entry:
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%0 = load i32* @i, align 4, !dbg !17 ; <i32> [#uses=2]
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tail call void @llvm.dbg.value(metadata !{i32 %0}, i64 0, metadata !9), !dbg !19
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tail call void @llvm.dbg.declare(metadata !20, metadata !10), !dbg !21
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%1 = mul nsw i32 %0, %0, !dbg !22 ; <i32> [#uses=2]
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store i32 %1, i32* @i, align 4, !dbg !17
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ret i32 %1, !dbg !23
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}
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!llvm.dbg.sp = !{!0, !6}
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!llvm.dbg.lv.foo = !{!9, !10}
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!llvm.dbg.gv = !{!16}
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!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 9, metadata !3, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 true, null, null, null, metadata !24} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 524329, metadata !"bar.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 524305, i32 0, i32 1, metadata !"bar.c", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{metadata !5, metadata !5}
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!5 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!6 = metadata !{i32 524334, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", metadata !1, i32 14, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 ()* @bar} ; [ DW_TAG_subprogram ]
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!7 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{metadata !5}
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!9 = metadata !{i32 524545, metadata !0, metadata !"j", metadata !1, i32 9, metadata !5} ; [ DW_TAG_arg_variable ]
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!10 = metadata !{i32 524544, metadata !11, metadata !"xyz", metadata !1, i32 10, metadata !12} ; [ DW_TAG_auto_variable ]
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!11 = metadata !{i32 524299, metadata !0, i32 9, i32 0} ; [ DW_TAG_lexical_block ]
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!12 = metadata !{i32 524307, metadata !0, metadata !"X", metadata !1, i32 10, i64 64, i64 32, i64 0, i32 0, null, metadata !13, i32 0, null} ; [ DW_TAG_structure_type ]
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!13 = metadata !{metadata !14, metadata !15}
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!14 = metadata !{i32 524301, metadata !12, metadata !"a", metadata !1, i32 10, i64 32, i64 32, i64 0, i32 0, metadata !5} ; [ DW_TAG_member ]
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!15 = metadata !{i32 524301, metadata !12, metadata !"b", metadata !1, i32 10, i64 32, i64 32, i64 32, i32 0, metadata !5} ; [ DW_TAG_member ]
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!16 = metadata !{i32 524340, i32 0, metadata !1, metadata !"i", metadata !"i", metadata !"", metadata !1, i32 5, metadata !5, i1 false, i1 true, i32* @i} ; [ DW_TAG_variable ]
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!17 = metadata !{i32 15, i32 0, metadata !18, null}
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!18 = metadata !{i32 524299, metadata !6, i32 14, i32 0} ; [ DW_TAG_lexical_block ]
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!19 = metadata !{i32 9, i32 0, metadata !0, metadata !17}
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!20 = metadata !{null}
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!21 = metadata !{i32 9, i32 0, metadata !11, metadata !17}
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!22 = metadata !{i32 11, i32 0, metadata !11, metadata !17}
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!23 = metadata !{i32 16, i32 0, metadata !18, null}
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!24 = metadata !{metadata !25}
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!25 = metadata !{metadata !9, metadata !10}
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