2 Commits

Author	SHA1	Message	Date
David Majnemer	4e3ccc0505	CodeGen: Handle ConstantVector and undef in WinCOFF constant pools ... The constant pool entry code for WinCOFF assumed that vector constants would be formed using ConstantDataVector, it did not expect to see a ConstantVector. Furthermore, it did not expect undef as one of the elements of the vector. ConstantVectors should be handled like ConstantDataVectors, treat Undef as zero. llvm-svn: 213038	2014-07-15 02:34:12 +00:00
David Majnemer	8bce66b093	CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF ... COFF lacks a feature that other object file formats support: mergeable sections. To work around this, MSVC sticks constant pool entries in special COMDAT sections so that each constant is in it's own section. This permits unused constants to be dropped and it also allows duplicate constants in different translation units to get merged together. This fixes PR20262. Differential Revision: http://reviews.llvm.org/D4482 llvm-svn: 213006	2014-07-14 22:57:27 +00:00