[llvm-commits] [llvm] r40602 - /llvm/trunk/lib/Transforms/Scalar/LICM.cpp

[Devang Patel]

Author: dpatel
Date: Mon Jul 30 15:19:59 2007
New Revision: 40602

URL: http://llvm.org/viewvc/llvm-project?rev=40602&view=rev
Log:
LICM preserves scalar evolution and dom frontier.


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

Modified: llvm/trunk/lib/Transforms/Scalar/LICM.cpp
URL: 
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LICM.cpp?rev=40602&r1=40601&r2=40602&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LICM.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LICM.cpp Mon Jul 30 15:19:59 2007
@@ -42,6 +42,7 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/AliasSetTracker.h"
 #include "llvm/Analysis/Dominators.h"
+#include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Transforms/Utils/PromoteMemToReg.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/Compiler.h"
@@ -78,6 +79,8 @@
       AU.addRequired<DominatorTree>();
       AU.addRequired<DominanceFrontier>();  // For scalar promotion (mem2reg)
       AU.addRequired<AliasAnalysis>();
+      AU.addPreserved<ScalarEvolution>();
+      AU.addPreserved<DominanceFrontier>();
     }
 
     bool doFinalization() {


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