From c8424dea0d4d223edbf5b6ed10d92d0567fd3c2c Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Thu, 14 Aug 2008 18:13:49 +0000 Subject: Use empty() instead of begin() == end(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/LoopExtractor.cpp | 2 +- lib/Transforms/Scalar/LoopIndexSplit.cpp | 4 ++-- lib/Transforms/Utils/SimplifyCFG.cpp | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'lib/Transforms') diff --git a/lib/Transforms/IPO/LoopExtractor.cpp b/lib/Transforms/IPO/LoopExtractor.cpp index 10ec3065af..8e55b3f091 100644 --- a/lib/Transforms/IPO/LoopExtractor.cpp +++ b/lib/Transforms/IPO/LoopExtractor.cpp @@ -79,7 +79,7 @@ bool LoopExtractor::runOnFunction(Function &F) { LoopInfo &LI = getAnalysis(); // If this function has no loops, there is nothing to do. - if (LI.begin() == LI.end()) + if (LI.empty()) return false; DominatorTree &DT = getAnalysis(); diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp index 135ce33ee6..1ab9a18cf6 100644 --- a/lib/Transforms/Scalar/LoopIndexSplit.cpp +++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp @@ -1006,9 +1006,9 @@ bool LoopIndexSplit::updateLoopIterationSpace(SplitInfo &SD) { // Remove split condition. SD.SplitCondition->eraseFromParent(); - if (Op0->use_begin() == Op0->use_end()) + if (Op0->use_empty()) Op0->eraseFromParent(); - if (Op1->use_begin() == Op1->use_end()) + if (Op1->use_empty()) Op1->eraseFromParent(); BranchInst *ExitInsn = diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index d04fce6892..efd17650f2 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -107,7 +107,7 @@ static bool CanPropagatePredecessorsForPHIs(BasicBlock *BB, BasicBlock *Succ) { CommonPreds.insert(*PI); // Shortcut, if there are no common predecessors, merging is always safe - if (CommonPreds.begin() == CommonPreds.end()) + if (CommonPreds.empty()) return true; // Look at all the phi nodes in Succ, to see if they present a conflict when -- cgit v1.2.3