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LICM preserves scalar evolution and dom frontier.

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llvm-svn: 40602
This commit is contained in:
Devang Patel 2007-07-30 20:19:59 +00:00
parent ed1fa44d75
commit 2e8466c22a
1 changed files with 3 additions and 0 deletions
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3
lib/Transforms/Scalar/LICM.cpp
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@ -42,6 +42,7 @@
#include "llvm/Analysis/AliasAnalysis.h" #include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AliasSetTracker.h" #include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Transforms/Utils/PromoteMemToReg.h" #include "llvm/Transforms/Utils/PromoteMemToReg.h"
#include "llvm/Support/CFG.h" #include "llvm/Support/CFG.h"
#include "llvm/Support/Compiler.h" #include "llvm/Support/Compiler.h"
@ -78,6 +79,8 @@ namespace {
AU.addRequired<DominatorTree>(); AU.addRequired<DominatorTree>();
AU.addRequired<DominanceFrontier>(); // For scalar promotion (mem2reg) AU.addRequired<DominanceFrontier>(); // For scalar promotion (mem2reg)
AU.addRequired<AliasAnalysis>(); AU.addRequired<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreserved<DominanceFrontier>();
} }
bool doFinalization() { bool doFinalization() {