[PATCH] D47215: DAG: Fix extract_subvector combine for a single element

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 6 11:59:54 PDT 2018


craig.topper added a comment.

Can you clarify what "fails" means in your description? It would have create a <1 x iX> or <1 x fX> BUILD_VECTOR but it could only do that before type legalization if that type isn't legal. Type legalization should then scalarize that since its an illegal type.


https://reviews.llvm.org/D47215





More information about the llvm-commits mailing list