Greg Clayton 41824e5554 Cleanup how DWARFDie attributes are accessed and decoded. ... Removed all DWARFDie::getAttributeValueAs*() calls. Renamed: Optional<DWARFFormValue> DWARFDie::getAttributeValue(dwarf::Attribute); To: Optional<DWARFFormValue> DWARFDie::find(dwarf::Attribute); Added: Optional<DWARFFormValue> DWARFDie::findRecursively(dwarf::Attribute); All decoding of Optional<DWARFFormValue> values are now done using the dwarf::to*() functions from DWARFFormValue.h: Old code: auto DeclLine = DWARFDie.getAttributeValueAsSignedConstant(DW_AT_decl_line).getValueOr(0); New code: auto DeclLine = toUnsigned(DWARFDie.find(DW_AT_decl_line), 0); This composition helps us since we can now easily do: auto DeclLine = toUnsigned(DWARFDie.findRecursively(DW_AT_decl_line), 0); This allows us to easily find attribute values in the current DIE only (the first new code above) or in any DW_AT_abstract_origin or DW_AT_specification Dies using the line above. Note that the code line length is shorter and more concise. Differential Revision: https://reviews.llvm.org/D28581 llvm-svn: 291959		2017-01-13 21:08:18 +00:00
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llvm	Cleanup how DWARFDie attributes are accessed and decoded.	2017-01-13 21:08:18 +00:00
llvm-c	[GVN] Initial check-in of a new global value numbering algorithm.	2016-12-22 16:03:48 +00:00