[llvm-commits] [llvm] r54065 - /llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp

[Owen Anderson]

Author: resistor
Date: Fri Jul 25 16:35:43 2008
New Revision: 54065

URL: http://llvm.org/viewvc/llvm-project?rev=54065&view=rev
Log:
In order to avoid reprocessing a register more than once, we need to add it
to the handled set so it will get filtered out in future iterations.

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

Modified: llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp?rev=54065&r1=54064&r2=54065&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp (original)
+++ llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp Fri Jul 25 16:35:43 2008
@@ -741,7 +741,7 @@
   std::set<unsigned> RegHandled;
   for (SmallVector<std::pair<unsigned, MachineInstr*>, 4>::iterator I =
        InsertedPHIDests.begin(), E = InsertedPHIDests.end(); I != E; ++I)
-    if (!RegHandled.count(I->first))
+    if (!RegHandled.insert(I->first).second)
       LI.addLiveRangeToEndOfBlock(I->first, I->second);
 }