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[ARM] Avoid creating duplicate ANDs in SelectionDAG
authorRenato Golin <renato.golin@linaro.org>
Tue, 22 Aug 2017 11:02:45 +0000 (11:02 +0000)
committerRenato Golin <renato.golin@linaro.org>
Tue, 22 Aug 2017 11:02:45 +0000 (11:02 +0000)
commitf09cdf90c0c74f2d6786ac6413bfa98ef574ac9c
treedc0d723f7a3705651880cbbd7c13b4c3ab7ae646tree | snapshot
parent0dfee36a630d317e6664fb58c2d423cddc2dcbe9commit | diff
[ARM] Avoid creating duplicate ANDs in SelectionDAG

When expanding a BRCOND into a BR_CC, do not create an AND 1
if one already exists.

Review: D36705

Patch by Joel Galenson <jgalenson@google.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311447 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff | blob | history
test/CodeGen/ARM/wide-compares.ll diff | blob | history
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