[llvm-commits] [llvm] r141481 - /llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp

[Anton Korobeynikov]

Author: asl
Date: Sat Oct  8 03:38:45 2011
New Revision: 141481

URL: http://llvm.org/viewvc/llvm-project?rev=141481&view=rev
Log:
Disable ABS optimization for Thumb1 target, we don't have necessary instructions there.

Modified:
    llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp?rev=141481&r1=141480&r2=141481&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp Sat Oct  8 03:38:45 2011
@@ -2322,6 +2322,9 @@
   if (DisableARMIntABS)
     return NULL;
 
+  if (Subtarget->isThumb1Only())
+    return NULL;
+
   if (XORSrc0.getOpcode() != ISD::ADD ||
     XORSrc1.getOpcode() != ISD::SRA)
     return NULL;