pratlucas added a comment. I believe rule B.2 from the AAPCS64 should take precedence over rule B.5 for HFA arguments:
B.2 If the argument type is an HFA or an HVA, then the argument is used unmodified. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D75903/new/ https://reviews.llvm.org/D75903 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
