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LSR itself doesn't need DominatorTree.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91282 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-12-14 16:57:08 +00:00
parent 67b94fb73d
commit c398365349
1 changed files with 2 additions and 6 deletions
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8
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -26,7 +26,6 @@
#include "llvm/IntrinsicInst.h"
#include "llvm/Type.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/IVUsers.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
@ -86,7 +85,6 @@ namespace {
class LoopStrengthReduce : public LoopPass {
IVUsers *IU;
LoopInfo *LI;
DominatorTree *DT;
ScalarEvolution *SE;
bool Changed;
@ -118,12 +116,11 @@ namespace {
// many analyses if they are around.
AU.addPreservedID(LoopSimplifyID);
AU.addPreserved<LoopInfo>();
AU.addPreserved<DominanceFrontier>();
AU.addPreserved<DominatorTree>();
AU.addPreserved("domfrontier");
AU.addPreserved("domtree");
AU.addRequiredID(LoopSimplifyID);
AU.addRequired<LoopInfo>();
AU.addRequired<DominatorTree>();
AU.addRequired<ScalarEvolution>();
AU.addPreserved<ScalarEvolution>();
AU.addRequired<IVUsers>();
@ -2724,7 +2721,6 @@ bool LoopStrengthReduce::OptimizeLoopCountIV(Loop *L) {
bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) {
IU = &getAnalysis<IVUsers>();
LI = &getAnalysis<LoopInfo>();
DT = &getAnalysis<DominatorTree>();
SE = &getAnalysis<ScalarEvolution>();
Changed = false;