#include "llvm/Analysis/DominatorInternals.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/InstructionSimplify.h"
-#include "llvm/Analysis/ProfileInfo.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
const TargetLowering *TLI;
const TargetLibraryInfo *TLInfo;
DominatorTree *DT;
- ProfileInfo *PFI;
/// CurInstIterator - As we scan instructions optimizing them, this is the
/// next instruction to optimize. Xforms that can invalidate this should
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addPreserved<DominatorTree>();
- AU.addPreserved<ProfileInfo>();
AU.addRequired<TargetLibraryInfo>();
}
if (TM) TLI = TM->getTargetLowering();
TLInfo = &getAnalysis<TargetLibraryInfo>();
DT = getAnalysisIfAvailable<DominatorTree>();
- PFI = getAnalysisIfAvailable<ProfileInfo>();
OptSize = F.getAttributes().hasAttribute(AttributeSet::FunctionIndex,
Attribute::OptimizeForSize);
DT->changeImmediateDominator(DestBB, NewIDom);
DT->eraseNode(BB);
}
- if (PFI) {
- PFI->replaceAllUses(BB, DestBB);
- PFI->removeEdge(ProfileInfo::getEdge(BB, DestBB));
- }
BB->eraseFromParent();
++NumBlocksElim;