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Author SHA1 Message Date
Bill Wendling 1ca9862cfb Add a 'count' field to the DWARF subrange. 
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.

llvm-svn: 169219
 2012-12-04 06:21:27 +00:00
Eric Christopher 175c72656f Revert "Use the 'count' attribute instead of the 'upper_bound' attribute." 
temporarily since it breaks the gdb bots.

This reverts commit r167807/30305bec25cac981c6d4a3b8be004401310a82a7.

llvm-svn: 167887
 2012-11-13 23:30:57 +00:00
Bill Wendling 2415b3b6b0 Use the 'count' attribute instead of the 'upper_bound' attribute. 
If we have a type 'int a[1]' and a type 'int b[0]', the generated DWARF is the
same for both of them because we use the 'upper_bound' attribute. Instead use
the 'count' attrbute, which gives the correct number of elements in the array.
<rdar://problem/12566646>

llvm-svn: 167807
 2012-11-13 02:31:58 +00:00
Eric Christopher 9cc59f66ad Move file to be more representative. 
llvm-svn: 157306
 2012-05-23 00:18:46 +00:00