[llvm] r261525 - Fix for PR26690

[Nemanja Ivanovic via llvm-commits]

Author: nemanjai
Date: Mon Feb 22 08:47:49 2016
New Revision: 261525

URL: http://llvm.org/viewvc/llvm-project?rev=261525&view=rev
Log:
Fix for PR26690

I mistook BitVector::empty() to mean BitVector::count() == 0 and it does
not. Corrected the issue with the fix for PR26500.

Modified:
    llvm/trunk/lib/Target/PowerPC/PPCFrameLowering.cpp

Modified: llvm/trunk/lib/Target/PowerPC/PPCFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCFrameLowering.cpp?rev=261525&r1=261524&r2=261525&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCFrameLowering.cpp Mon Feb 22 08:47:49 2016
@@ -653,7 +653,7 @@ PPCFrameLowering::findScratchRegister(Ma
 
   // Now that we've done our best to provide both registers, double check
   // whether we were unable to provide enough.
-  if (BV.empty() || (BV.count() < 2 && TwoUniqueRegsRequired))
+  if (BV.count() < TwoUniqueRegsRequired ? 2 : 1)
     return false;
 
   return true;