forked from OSchip/llvm-project
44 lines
1.8 KiB
LLVM
44 lines
1.8 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-pc-linux-gnu -O0 -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; If stack is realigned, we shouldn't describe locations of local
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; variables by giving offset from the frame pointer (%rbp):
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; push %rpb
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; mov %rsp,%rbp
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; and ALIGNMENT,%rsp ; (%rsp and %rbp are different now)
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; It's better to use offset from %rsp instead.
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; DW_AT_location of variable "x" shouldn't be equal to
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; (DW_OP_fbreg: .*): DW_OP_fbreg has code 0x91
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; CHECK: {{0x.* DW_TAG_variable}}
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; CHECK-NOT: {{DW_AT_location.*DW_FORM_block1.*0x.*91}}
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; CHECK: NULL
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define void @_Z3runv() nounwind uwtable {
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entry:
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%x = alloca i32, align 32
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call void @llvm.dbg.declare(metadata i32* %x, metadata !9, metadata !{!"0x102"}), !dbg !12
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ret void, !dbg !13
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!15}
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!0 = !{!"0x11\004\00clang version 3.2 (trunk 155696:155697) (llvm/trunk 155696)\000\00\000\00\000", !14, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ]
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!1 = !{}
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!3 = !{!5}
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!5 = !{!"0x2e\00run\00run\00_Z3runv\001\000\001\000\006\00256\000\001", !14, !6, !7, null, void ()* @_Z3runv, null, null, !1} ; [ DW_TAG_subprogram ]
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!6 = !{!"0x29", !14} ; [ DW_TAG_file_type ]
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!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{null}
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!9 = !{!"0x100\00x\002\000", !10, !6, !11} ; [ DW_TAG_auto_variable ]
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!10 = !{!"0xb\001\0012\000", !14, !5} ; [ DW_TAG_lexical_block ]
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!11 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
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!12 = !{i32 2, i32 7, !10, null}
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!13 = !{i32 3, i32 1, !10, null}
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!14 = !{!"test.cc", !"/home/samsonov/debuginfo"}
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!15 = !{i32 1, !"Debug Info Version", i32 2}
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