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Add a 'count' field to the DWARF subrange.

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The count field is necessary because there isn't a difference between the 'lo'
and 'hi' attributes for a one-element array and a zero-element array. When the
count is '0', we know that this is a zero-element array. When it's >=1, then
it's a normal constant sized array. When it's -1, then the array is unbounded.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169218 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2012-12-04 06:20:49 +00:00
parent 319d594e22
commit a7645a3c66
19 changed files with 158 additions and 18 deletions
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2
test/CodeGen/X86/2009-02-12-DebugInfoVLA.ll
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@@ -78,7 +78,7 @@ declare void @llvm.stackrestore(i8*) nounwind
!9 = metadata !{i32 458767, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !10} ; [ DW_TAG_pointer_type ]
!10 = metadata !{i32 458753, metadata !2, metadata !"", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, metadata !5, metadata !11, i32 0, null} ; [ DW_TAG_array_type ]
!11 = metadata !{metadata !12}
!12 = metadata !{i32 458785, i64 0, i64 0} ; [ DW_TAG_subrange_type ]
!12 = metadata !{i32 458785, i64 0, i64 0, i64 1} ; [ DW_TAG_subrange_type ]
!13 = metadata !{i32 3, i32 0, metadata !14, null}
!14 = metadata !{i32 458763, metadata !1, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
!15 = metadata !{i32 4, i32 0, metadata !14, null}