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Summary: r235215 adds support for f16 to be considered as a load/store type and promote f16 operations to f32. This patch has miscellaneous fixes for the X86 backend so all f16 operations are handled: 1. Set loadextaction for f16 vectors to expand. 2. Handle FP_EXTEND in a switch statement when handling v2f32 3. Do not fold (FP_TO_SINT (load f16)) into FP_TO_INT*_IN_MEM or (store (SINT_TO_FP )) to a FILD. Tests included. Reviewers: ab, srhines, delena Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D9092 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237004 91177308-0d34-0410-b5e6-96231b3b80d8
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