forked from OSchip/llvm-project
57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
; RUN: %llc_dwarf -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: info_string
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@i = common global i32 0 ; <i32*> [#uses=2]
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, 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, metadata !{!"0x102"}), !dbg !19
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tail call void @llvm.dbg.declare(metadata !29, metadata !10, metadata !{!"0x102"}), !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.cu = !{!2}
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!llvm.module.flags = !{!28}
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!0 = !{!"0x2e\00foo\00foo\00\009\001\001\000\006\000\001\009", !27, !1, !3, null, null, null, null, !24} ; [ DW_TAG_subprogram ]
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!1 = !{!"0x29", !27} ; [ DW_TAG_file_type ]
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!2 = !{!"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\000", !27, !20, !20, !25, !26, !20} ; [ DW_TAG_compile_unit ]
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!3 = !{!"0x15\00\000\000\000\000\000\000", !27, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!4 = !{!5, !5}
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!5 = !{!"0x24\00int\000\0032\0032\000\000\005", !27, !1} ; [ DW_TAG_base_type ]
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!6 = !{!"0x2e\00bar\00bar\00bar\0014\000\001\000\006\000\001\000", !27, !1, !7, null, i32 ()* @bar, null, null, null} ; [ DW_TAG_subprogram ]
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!7 = !{!"0x15\00\000\000\000\000\000\000", !27, !1, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{!5}
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!9 = !{!"0x101\00j\009\000", !0, !1, !5} ; [ DW_TAG_arg_variable ]
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!10 = !{!"0x100\00xyz\0010\000", !11, !1, !12} ; [ DW_TAG_auto_variable ]
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!11 = !{!"0xb\009\000\000", !1, !0} ; [ DW_TAG_lexical_block ]
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!12 = !{!"0x13\00X\0010\0064\0032\000\000\000", !27, !0, null, !13, null, null, null} ; [ DW_TAG_structure_type ] [X] [line 10, size 64, align 32, offset 0] [def] [from ]
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!13 = !{!14, !15}
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!14 = !{!"0xd\00a\0010\0032\0032\000\000", !27, !12, !5} ; [ DW_TAG_member ]
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!15 = !{!"0xd\00b\0010\0032\0032\0032\000", !27, !12, !5} ; [ DW_TAG_member ]
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!16 = !{!"0x34\00i\00i\00\005\000\001", !1, !1, !5, i32* @i, null} ; [ DW_TAG_variable ]
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!17 = !{i32 15, i32 0, !18, null}
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!18 = !{!"0xb\0014\000\001", !1, !6} ; [ DW_TAG_lexical_block ]
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!19 = !{i32 9, i32 0, !0, !17}
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!20 = !{}
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!21 = !{i32 9, i32 0, !11, !17}
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!22 = !{i32 11, i32 0, !11, !17}
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!23 = !{i32 16, i32 0, !18, null}
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!24 = !{!9, !10}
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!25 = !{!0, !6}
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!26 = !{!16}
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!27 = !{!"bar.c", !"/tmp/"}
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!28 = !{i32 1, !"Debug Info Version", i32 2}
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!29 = !{null}
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