[llvm-commits] [llvm] r61358 - /llvm/trunk/lib/Transforms/Scalar/GVN.cpp

[Owen Anderson]

Author: resistor
Date: Mon Dec 22 18:49:51 2008
New Revision: 61358

URL: http://llvm.org/viewvc/llvm-project?rev=61358&view=rev
Log:
Don't forget to remove phi nodes from the value numbering table after we collapse them.

Modified:
    llvm/trunk/lib/Transforms/Scalar/GVN.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=61358&r1=61357&r2=61358&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Mon Dec 22 18:49:51 2008
@@ -1313,6 +1313,8 @@
       p->replaceAllUsesWith(constVal);
       if (isa<PointerType>(constVal->getType()))
         MD->invalidateCachedPointerInfo(constVal);
+      VN.erase(p);
+      
       toErase.push_back(p);
     } else {
       localAvail[I->getParent()]->table.insert(std::make_pair(num, I));