From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Sat, 8 Oct 2011 08:38:45 +0000 (+0000)
Subject: Disable ABS optimization for Thumb1 target, we don't have necessary instructions... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=2d4b60f3a40d4a1d60d43f5bb94c3c3dd19a6fc5;p=oota-llvm.git

Disable ABS optimization for Thumb1 target, we don't have necessary instructions there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141481 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 8b34fa11f47..5ee009c04c5 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -2322,6 +2322,9 @@ SDNode *ARMDAGToDAGISel::SelectABSOp(SDNode *N){
   if (DisableARMIntABS)
     return NULL;
 
+  if (Subtarget->isThumb1Only())
+    return NULL;
+
   if (XORSrc0.getOpcode() != ISD::ADD ||
     XORSrc1.getOpcode() != ISD::SRA)
     return NULL;