a redundant loopsimplify run from the default -O2 sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108539
91177308-0d34-0410-b5e6-
96231b3b80d8
///
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
///
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
- AU.addRequiredID(LoopSimplifyID);
- AU.addRequired<LoopInfo>();
AU.addRequired<DominatorTree>();
AU.addRequired<DominanceFrontier>(); // For scalar promotion (mem2reg)
AU.addRequired<DominatorTree>();
AU.addRequired<DominanceFrontier>(); // For scalar promotion (mem2reg)
+ AU.addRequired<LoopInfo>();
+ AU.addRequiredID(LoopSimplifyID);
AU.addRequired<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreserved<DominanceFrontier>();
AU.addRequired<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreserved<DominanceFrontier>();
// LCSSA form makes instruction renaming easier.
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
// LCSSA form makes instruction renaming easier.
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addPreserved<DominatorTree>();
+ AU.addPreserved<DominanceFrontier>();
+ AU.addRequired<LoopInfo>();
+ AU.addPreserved<LoopInfo>();
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
AU.addRequiredID(LCSSAID);
AU.addPreservedID(LCSSAID);
AU.addPreserved<ScalarEvolution>();
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
AU.addRequiredID(LCSSAID);
AU.addPreservedID(LCSSAID);
AU.addPreserved<ScalarEvolution>();
- AU.addRequired<LoopInfo>();
- AU.addPreserved<LoopInfo>();
- AU.addPreserved<DominatorTree>();
- AU.addPreserved<DominanceFrontier>();
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
+ AU.addRequiredTransitive<DominatorTree>();
+ AU.addPreserved<DominatorTree>();
+ AU.addPreserved<DominanceFrontier>();
+ AU.addRequiredTransitive<LoopInfo>();
+ AU.addPreserved<LoopInfo>();
+
// LCSSA doesn't actually require LoopSimplify, but the PassManager
// doesn't know how to schedule LoopSimplify by itself.
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
// LCSSA doesn't actually require LoopSimplify, but the PassManager
// doesn't know how to schedule LoopSimplify by itself.
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
- AU.addRequiredTransitive<LoopInfo>();
- AU.addPreserved<LoopInfo>();
- AU.addRequiredTransitive<DominatorTree>();
- AU.addPreserved<ScalarEvolution>();
- AU.addPreserved<DominatorTree>();
- // Request DominanceFrontier now, even though LCSSA does
- // not use it. This allows Pass Manager to schedule Dominance
- // Frontier early enough such that one LPPassManager can handle
- // multiple loop transformation passes.
- AU.addRequired<DominanceFrontier>();
- AU.addPreserved<DominanceFrontier>();
+ AU.addPreserved<ScalarEvolution>();
}
private:
bool ProcessInstruction(Instruction *Inst,
}
private:
bool ProcessInstruction(Instruction *Inst,
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
// We need loop information to identify the loops...
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
// We need loop information to identify the loops...
- AU.addRequiredTransitive<LoopInfo>();
AU.addRequiredTransitive<DominatorTree>();
AU.addRequiredTransitive<DominatorTree>();
-
- AU.addPreserved<LoopInfo>();
AU.addPreserved<DominatorTree>();
AU.addPreserved<DominatorTree>();
+
+ // Request DominanceFrontier now, even though LoopSimplify does
+ // not use it. This allows Pass Manager to schedule Dominance
+ // Frontier early enough such that one LPPassManager can handle
+ // multiple loop transformation passes.
+ AU.addRequired<DominanceFrontier>();
AU.addPreserved<DominanceFrontier>();
AU.addPreserved<DominanceFrontier>();
+
+ AU.addRequiredTransitive<LoopInfo>();
+ AU.addPreserved<LoopInfo>();
+
AU.addPreserved<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreservedID(BreakCriticalEdgesID); // No critical edges added.
AU.addPreserved<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreservedID(BreakCriticalEdgesID); // No critical edges added.