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Replace some unnecessary vector copies with references.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190770 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2013-09-15 22:04:42 +00:00
parent 766f25306a
commit 94ee55d4b3
6 changed files with 8 additions and 10 deletions
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4
lib/CodeGen/MachineLICM.cpp
View File

@ -502,7 +502,7 @@ void MachineLICM::HoistRegionPostRA() {
// Walk the entire region, count number of defs for each register, and
// collect potential LICM candidates.
const std::vector<MachineBasicBlock*> Blocks = CurLoop->getBlocks();
const std::vector<MachineBasicBlock *> &Blocks = CurLoop->getBlocks();
for (unsigned i = 0, e = Blocks.size(); i != e; ++i) {
MachineBasicBlock *BB = Blocks[i];
@ -584,7 +584,7 @@ void MachineLICM::HoistRegionPostRA() {
/// AddToLiveIns - Add register 'Reg' to the livein sets of BBs in the current
/// loop, and make sure it is not killed by any instructions in the loop.
void MachineLICM::AddToLiveIns(unsigned Reg) {
const std::vector<MachineBasicBlock*> Blocks = CurLoop->getBlocks();
const std::vector<MachineBasicBlock *> &Blocks = CurLoop->getBlocks();
for (unsigned i = 0, e = Blocks.size(); i != e; ++i) {
MachineBasicBlock *BB = Blocks[i];
if (!BB->isLiveIn(Reg))

6
lib/Target/ARM/ARMConstantPoolValue.cpp
View File

@ -164,7 +164,7 @@ const BlockAddress *ARMConstantPoolConstant::getBlockAddress() const {
int ARMConstantPoolConstant::getExistingMachineCPValue(MachineConstantPool *CP,
unsigned Alignment) {
unsigned AlignMask = Alignment - 1;
const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
if (Constants[i].isMachineConstantPoolEntry() &&
(Constants[i].getAlignment() & AlignMask) == 0) {
@ -217,7 +217,7 @@ ARMConstantPoolSymbol::Create(LLVMContext &C, const char *s,
int ARMConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
unsigned Alignment) {
unsigned AlignMask = Alignment - 1;
const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
if (Constants[i].isMachineConstantPoolEntry() &&
(Constants[i].getAlignment() & AlignMask) == 0) {
@ -272,7 +272,7 @@ ARMConstantPoolMBB *ARMConstantPoolMBB::Create(LLVMContext &C,
int ARMConstantPoolMBB::getExistingMachineCPValue(MachineConstantPool *CP,
unsigned Alignment) {
unsigned AlignMask = Alignment - 1;
const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
if (Constants[i].isMachineConstantPoolEntry() &&
(Constants[i].getAlignment() & AlignMask) == 0) {

2
lib/Target/Hexagon/HexagonHardwareLoops.cpp
View File

@ -871,7 +871,7 @@ bool HexagonHardwareLoops::isInvalidLoopOperation(
/// \brief - Return true if the loop contains an instruction that inhibits
/// the use of the hardware loop function.
bool HexagonHardwareLoops::containsInvalidInstruction(MachineLoop *L) const {
const std::vector<MachineBasicBlock*> Blocks = L->getBlocks();
const std::vector<MachineBasicBlock *> &Blocks = L->getBlocks();
for (unsigned i = 0, e = Blocks.size(); i != e; ++i) {
MachineBasicBlock *MBB = Blocks[i];
for (MachineBasicBlock::iterator

2
lib/Target/SystemZ/SystemZConstantPoolValue.cpp
View File

@ -39,7 +39,7 @@ unsigned SystemZConstantPoolValue::getRelocationInfo() const {
int SystemZConstantPoolValue::
getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment) {
unsigned AlignMask = Alignment - 1;
const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
if (Constants[I].isMachineConstantPoolEntry() &&
(Constants[I].getAlignment() & AlignMask) == 0) {

2
lib/Transforms/Utils/LoopUnroll.cpp
View File

@ -239,8 +239,6 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
DEBUG(dbgs() << "!\n");
}
std::vector<BasicBlock*> LoopBlocks = L->getBlocks();
bool ContinueOnTrue = L->contains(BI->getSuccessor(0));
BasicBlock *LoopExit = BI->getSuccessor(ContinueOnTrue);

2
utils/TableGen/RegisterInfoEmitter.cpp
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@ -121,7 +121,7 @@ void RegisterInfoEmitter::runEnums(raw_ostream &OS,
OS << "}\n";
}
const std::vector<Record*> RegAltNameIndices = Target.getRegAltNameIndices();
const std::vector<Record*> &RegAltNameIndices = Target.getRegAltNameIndices();
// If the only definition is the default NoRegAltName, we don't need to
// emit anything.
if (RegAltNameIndices.size() > 1) {