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4 Commits

Author SHA1 Message Date
Adrian Prantl 3edc63a579 DwarfCompileUnit: Fix another assertion failure on malformed input 
that is not rejected by the Verifier.

Thanks to Björn Pettersson for providing a reproducer!

llvm-svn: 331535
 2018-05-04 16:10:43 +00:00
Adrian Prantl 4b542c6e64 Fix a bug that prevents global variables from having a DW_OP_deref. 
For local variables the first DW_OP_deref is consumed by turning the
location kind into a memeory location, but that only makes sense for
values that are in a register to begin with, which cannot happen for
global variables that are attached to a symbol.

rdar://problem/39741860

This reapplies r330970 after fixing an uncovered bug in r331086 and
working around the situation caused by it.

llvm-svn: 331090
 2018-04-27 22:05:31 +00:00
Adrian Prantl 855b91022d Revert "Fix a bug that prevents global variables from having a DW_OP_deref." 
This reverts commit r3309704 while investigating bot breakage.

llvm-svn: 330993
 2018-04-26 20:59:58 +00:00
Adrian Prantl e42805d07c Fix a bug that prevents global variables from having a DW_OP_deref. 
For local variables the first DW_OP_deref is consumed by turning the
location kind into a memeory location, but that only makes sense for
values that are in a register to begin with, which cannot happen for
global variables that are attached to a symbol.

rdar://problem/39741860

llvm-svn: 330970
 2018-04-26 18:17:04 +00:00