]> granicus.if.org Git - llvm/commit
[SelectionDAG] Add support for BITREVERSE constant folding
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 16 Jan 2017 13:39:00 +0000 (13:39 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 16 Jan 2017 13:39:00 +0000 (13:39 +0000)
commitb648fac5ca08156cde1e0c411c0a79a8deff3c28
tree8c8476d738ecebc460a2ba69ecd556996943cc61
parente6bbb863e127ccd2eebf6cb3a8df18627e3fcbc9
[SelectionDAG] Add support for BITREVERSE constant folding

We were relying on constant folding of the legalized instructions to do what constant folding we had previously

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292114 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
test/CodeGen/ARM/rbit.ll
test/CodeGen/X86/vector-bitreverse.ll