Use empty() instead of begin() == end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 0f5de92..ff430d7 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -547,7 +547,7 @@
/// used with an unknown definition value.
void LiveInterval::MergeInClobberRanges(const LiveInterval &Clobbers,
BumpPtrAllocator &VNInfoAllocator) {
- if (Clobbers.begin() == Clobbers.end()) return;
+ if (Clobbers.empty()) return;
// Find a value # to use for the clobber ranges. If there is already a value#
// for unknown values, use it.
diff --git a/lib/CodeGen/LoopAligner.cpp b/lib/CodeGen/LoopAligner.cpp
index 1888391..44f5bb4 100644
--- a/lib/CodeGen/LoopAligner.cpp
+++ b/lib/CodeGen/LoopAligner.cpp
@@ -46,7 +46,7 @@
bool LoopAligner::runOnMachineFunction(MachineFunction &MF) {
const MachineLoopInfo *MLI = &getAnalysis<MachineLoopInfo>();
- if (MLI->begin() == MLI->end())
+ if (MLI->empty())
return false; // No loops.
const TargetLowering *TLI = MF.getTarget().getTargetLowering();
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index b3e3409..72db79d 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -1852,7 +1852,7 @@
JoinQueue = new JoinPriorityQueue<CopyRecSort>(this);
std::vector<CopyRec> TryAgainList;
- if (loopInfo->begin() == loopInfo->end()) {
+ if (loopInfo->empty()) {
// If there are no loops in the function, join intervals in function order.
for (MachineFunction::iterator I = mf_->begin(), E = mf_->end();
I != E; ++I)
@@ -2049,7 +2049,7 @@
CopyMI->setDesc(tii_->get(TargetInstrInfo::IMPLICIT_DEF));
for (int i = CopyMI->getNumOperands() - 1, e = 0; i > e; --i)
CopyMI->RemoveOperand(i);
- bool NoUse = mri_->use_begin(SrcReg) == mri_->use_end();
+ bool NoUse = mri_->use_empty(SrcReg);
if (NoUse) {
for (MachineRegisterInfo::reg_iterator I = mri_->reg_begin(SrcReg),
E = mri_->reg_end(); I != E; ) {
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp
index 37f54ce..9f59417 100644
--- a/lib/CodeGen/StrongPHIElimination.cpp
+++ b/lib/CodeGen/StrongPHIElimination.cpp
@@ -848,7 +848,7 @@
RHS.removeValNo(*VI);
}
- if (RHS.begin() == RHS.end())
+ if (RHS.empty())
LI.removeInterval(RHS.reg);
}
diff --git a/lib/Transforms/IPO/LoopExtractor.cpp b/lib/Transforms/IPO/LoopExtractor.cpp
index 10ec306..8e55b3f 100644
--- a/lib/Transforms/IPO/LoopExtractor.cpp
+++ b/lib/Transforms/IPO/LoopExtractor.cpp
@@ -79,7 +79,7 @@
LoopInfo &LI = getAnalysis<LoopInfo>();
// If this function has no loops, there is nothing to do.
- if (LI.begin() == LI.end())
+ if (LI.empty())
return false;
DominatorTree &DT = getAnalysis<DominatorTree>();
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 135ce33..1ab9a18 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1006,9 +1006,9 @@
// 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 d04fce6..efd1765 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -107,7 +107,7 @@
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