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[SelectionDAG] Add fpto[us]i(undef) --> undef constant fold
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 4 Jun 2019 10:04:55 +0000 (10:04 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 4 Jun 2019 10:04:55 +0000 (10:04 +0000)
commit11c48647080569b185625c3c7f0577ae571459bf
tree6d9a95198c9b05ecded2de1f02041627d602b985
parent4ac4bfefaa6327eb1f06f597e5aa990d4d0032f4
[SelectionDAG] Add fpto[us]i(undef) --> undef constant fold

Follow up to D62807.

Differential Revision: https://reviews.llvm.org/D62811

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362483 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
test/CodeGen/X86/vec_fp_to_int-widen.ll
test/CodeGen/X86/vec_fp_to_int.ll