[llvm-commits] [llvm] r123872 - /llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Jan 19 20:43:19 2011
New Revision: 123872

URL: http://llvm.org/viewvc/llvm-project?rev=123872&view=rev
Log:
Fix bug found by new clang warning.

Modified:
    llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp

Modified: llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp?rev=123872&r1=123871&r2=123872&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp (original)
+++ llvm/trunk/lib/CodeGen/ShrinkWrapping.cpp Wed Jan 19 20:43:19 2011
@@ -226,7 +226,7 @@
   // AnticIn[MBB] = UNION(CSRUsed[MBB], AnticOut[MBB]);
   CSRegSet prevAnticIn = AnticIn[MBB];
   AnticIn[MBB] = CSRUsed[MBB] | AnticOut[MBB];
-  if (prevAnticIn |= AnticIn[MBB])
+  if (prevAnticIn != AnticIn[MBB])
     changed = true;
   return changed;
 }
@@ -264,7 +264,7 @@
   // AvailOut[MBB] = UNION(CSRUsed[MBB], AvailIn[MBB]);
   CSRegSet prevAvailOut = AvailOut[MBB];
   AvailOut[MBB] = CSRUsed[MBB] | AvailIn[MBB];
-  if (prevAvailOut |= AvailOut[MBB])
+  if (prevAvailOut != AvailOut[MBB])
     changed = true;
   return changed;
 }