forked from OSchip/llvm-project
92b5979cb5
Weak aliases defined using /alternatename command line option were getting wrong RVAs in the final output because of wrong atom ordinal. Alias atoms were assigned large ordinals than any other regular atoms because they were instantiated after other atoms and just got new (larger) ordinals. Atoms are sorted by its file and atom ordinals in the order pass. Alias atoms were located after all other atoms in the same file. An alias atom's ordinal needs to be smaller than its alias target but larger than the atom appeared before the target -- so that the alias is located between the two. Since an alias has no size, the alias target will be located at the same location as the alias. In this patch, I made a gap between two regular atoms so that we can put aliases after instantiating them (without re-numbering existing atoms). llvm-svn: 229762 |
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