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.
llvm-svn: 112418
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index 2c0579b..41d9e4c 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -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);