[llvm-commits] [llvm] r112418 - /llvm/trunk/lib/Transforms/Scalar/LICM.cpp

[Chris Lattner]

Author: lattner
Date: Sun Aug 29 01:49:44 2010
New Revision: 112418

URL: http://llvm.org/viewvc/llvm-project?rev=112418&view=rev
Log:
now that it doesn't use the PromoteMemToReg function, LICM doesn't
require DomFrontier.  Dropping this doesn't actually save any runs
of the pass though.

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=112418&r1=112417&r2=112418&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LICM.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LICM.cpp Sun Aug 29 01:49:44 2010
@@ -75,7 +75,6 @@
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesCFG();
       AU.addRequired<DominatorTree>();
-      AU.addRequired<DominanceFrontier>();  // For scalar promotion (mem2reg)
       AU.addRequired<LoopInfo>();
       AU.addRequiredID(LoopSimplifyID);
       AU.addRequired<AliasAnalysis>();
@@ -98,8 +97,7 @@
     // Various analyses that we use...
     AliasAnalysis *AA;       // Current AliasAnalysis information
     LoopInfo      *LI;       // Current LoopInfo
-    DominatorTree *DT;       // Dominator Tree for the current Loop...
-    DominanceFrontier *DF;   // Current Dominance Frontier
+    DominatorTree *DT;       // Dominator Tree for the current Loop.
 
     // State that is updated as we process loops
     bool Changed;            // Set to true when we change anything.
@@ -222,7 +220,6 @@
   // Get our Loop and Alias Analysis information...
   LI = &getAnalysis<LoopInfo>();
   AA = &getAnalysis<AliasAnalysis>();
-  DF = &getAnalysis<DominanceFrontier>();
   DT = &getAnalysis<DominatorTree>();
 
   CurAST = new AliasSetTracker(*AA);