Extend r148086 to check for [r +/- reg] address mode. This fixes queens performance...
authorEvan Cheng <evan.cheng@apple.com>
Tue, 6 Mar 2012 23:33:32 +0000 (23:33 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Tue, 6 Mar 2012 23:33:32 +0000 (23:33 +0000)
commit03be3622aae67aa095bc047bcac88cdebebaafd6
tree8e0bbac44c5e8e31ca5607430235028d76ffd120
parent4d0983a4d734280d481bb56472fe44ad0ddc447d
Extend r148086 to check for [r +/- reg] address mode. This fixes queens performance regression (due to increased register pressure from overly aggressive pre-inc formation).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152162 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
test/CodeGen/ARM/shifter_operand.ll