LegalizeDAG: Expand ctlz with ctlz_zero_undef if legal
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 11 Jan 2016 16:37:46 +0000 (16:37 +0000)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 11 Jan 2016 16:37:46 +0000 (16:37 +0000)
commit3bbc287300b8ccea2be8578f24cc6a14ef3c169e
tree5b94fcecd9ff23e9ee9055de1db6004d9afda60e
parent4a3afd23ceb4496d72bac7663bb1e2e5e8f3cb5e
LegalizeDAG: Expand ctlz with ctlz_zero_undef if legal

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257345 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
lib/Target/AMDGPU/AMDGPUISelLowering.cpp
test/CodeGen/AMDGPU/ctlz.ll [new file with mode: 0644]