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41 lines
2.1 KiB
LLVM
41 lines
2.1 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), !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) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 786449, i32 4, metadata !6, metadata !"clang version 3.2 (trunk 155696:155697) (llvm/trunk 155696)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
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!1 = metadata !{i32 0}
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!3 = metadata !{metadata !5}
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!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"run", metadata !"run", metadata !"_Z3runv", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3runv, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ]
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!6 = metadata !{i32 786473, metadata !"test.cc", metadata !"/home/samsonov/debuginfo", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{null}
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!9 = metadata !{i32 786688, metadata !10, metadata !"x", metadata !6, i32 2, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
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!10 = metadata !{i32 786443, metadata !5, i32 1, i32 12, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
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!11 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!12 = metadata !{i32 2, i32 7, metadata !10, null}
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!13 = metadata !{i32 3, i32 1, metadata !10, null}
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