[llvm-commits] [llvm] r78897 - /llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp

[Bob Wilson]

Author: bwilson
Date: Thu Aug 13 01:01:30 2009
New Revision: 78897

URL: http://llvm.org/viewvc/llvm-project?rev=78897&view=rev
Log:
Add a fixme message about canonicalizing floating-point vector types.

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

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=78897&r1=78896&r2=78897&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Thu Aug 13 01:01:30 2009
@@ -2442,6 +2442,8 @@
   // DAG nodes, instead of keeping them as shuffles and matching them again
   // during code selection.  This is more efficient and avoids the possibility
   // of inconsistencies between legalization and selection.
+  // FIXME: floating-point vectors should be canonicalized to integer vectors
+  // of the same time so that they get CSEd properly.
   if (isVREVMask(SVN, 64))
     return DAG.getNode(ARMISD::VREV64, dl, VT, SVN->getOperand(0));
   if (isVREVMask(SVN, 32))