[llvm-commits] [llvm] r96216 - /llvm/trunk/lib/Analysis/ScalarEvolution.cpp

[Dan Gohman]

Author: djg
Date: Mon Feb 15 04:28:37 2010
New Revision: 96216

URL: http://llvm.org/viewvc/llvm-project?rev=96216&view=rev
Log:
When testing whether a given SCEV depends on a temporary symbolic
name, test whether the SCEV itself is that temporary symbolic name,
in addition to checking whether the symbolic name appears as a
possibly-indirect operand.

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=96216&r1=96215&r2=96216&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Mon Feb 15 04:28:37 2010
@@ -2566,7 +2566,7 @@
     if (It != Scalars.end()) {
       // Short-circuit the def-use traversal if the symbolic name
       // ceases to appear in expressions.
-      if (!It->second->hasOperand(SymName))
+      if (It->second != SymName && !It->second->hasOperand(SymName))
         continue;
 
       // SCEVUnknown for a PHI either means that it has an unrecognized