diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LCSSA.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LCSSA.cpp | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/Utils/LCSSA.cpp b/llvm/lib/Transforms/Utils/LCSSA.cpp index 18717de6ae2..d5381753a29 100644 --- a/llvm/lib/Transforms/Utils/LCSSA.cpp +++ b/llvm/lib/Transforms/Utils/LCSSA.cpp @@ -65,15 +65,14 @@ static bool processInstruction(Loop &L, Instruction &Inst, DominatorTree &DT, BasicBlock *InstBB = Inst.getParent(); - for (Value::use_iterator UI = Inst.use_begin(), E = Inst.use_end(); UI != E; - ++UI) { - User *U = *UI; - BasicBlock *UserBB = cast<Instruction>(U)->getParent(); - if (PHINode *PN = dyn_cast<PHINode>(U)) - UserBB = PN->getIncomingBlock(UI); + for (Use &U : Inst.uses()) { + Instruction *User = cast<Instruction>(U.getUser()); + BasicBlock *UserBB = User->getParent(); + if (PHINode *PN = dyn_cast<PHINode>(User)) + UserBB = PN->getIncomingBlock(U); if (InstBB != UserBB && !L.contains(UserBB)) - UsesToRewrite.push_back(&UI.getUse()); + UsesToRewrite.push_back(&U); } // If there are no uses outside the loop, exit with no change. @@ -208,8 +207,8 @@ bool llvm::formLCSSA(Loop &L, DominatorTree &DT, ScalarEvolution *SE) { // Reject two common cases fast: instructions with no uses (like stores) // and instructions with one use that is in the same block as this. if (I->use_empty() || - (I->hasOneUse() && I->use_back()->getParent() == BB && - !isa<PHINode>(I->use_back()))) + (I->hasOneUse() && I->user_back()->getParent() == BB && + !isa<PHINode>(I->user_back()))) continue; Changed |= processInstruction(L, *I, DT, ExitBlocks, PredCache); |
