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[llvm] Use llvm::drop_begin (NFC)

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This commit is contained in:
Kazu Hirata 2021-01-14 20:30:32 -08:00
parent 6916b7a38d
commit b67b152ce0
11 changed files with 16 additions and 19 deletions
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2
lib/Analysis/LazyCallGraph.cpp
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@ -866,7 +866,7 @@ LazyCallGraph::RefSCC::switchInternalEdgeToRef(Node &SourceN, Node &TargetN) {
PendingSCCStack.clear();
while (!DFSStack.empty())
OldSCC.Nodes.push_back(DFSStack.pop_back_val().first);
for (Node &N : make_range(OldSCC.begin() + OldSize, OldSCC.end())) {
for (Node &N : drop_begin(OldSCC, OldSize)) {
N.DFSNumber = N.LowLink = -1;
G->SCCMap[&N] = &OldSCC;
}

2
lib/Analysis/ModuleSummaryAnalysis.cpp
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@ -145,7 +145,7 @@ static void addVCallToSet(DevirtCallSite Call, GlobalValue::GUID Guid,
SetVector<FunctionSummary::ConstVCall> &ConstVCalls) {
std::vector<uint64_t> Args;
// Start from the second argument to skip the "this" pointer.
for (auto &Arg : make_range(Call.CB.arg_begin() + 1, Call.CB.arg_end())) {
for (auto &Arg : drop_begin(Call.CB.args(), 1)) {
auto *CI = dyn_cast<ConstantInt>(Arg);
if (!CI || CI->getBitWidth() > 64) {
VCalls.insert({Guid, Call.Offset});

6
lib/Analysis/VFABIDemangling.cpp
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@ -290,9 +290,9 @@ bool verifyAllVectorsHaveSameWidth(FunctionType *Signature) {
assert(VecTys.size() > 1 && "Invalid number of elements.");
const ElementCount EC = VecTys[0]->getElementCount();
return llvm::all_of(
llvm::make_range(VecTys.begin() + 1, VecTys.end()),
[&EC](VectorType *VTy) { return (EC == VTy->getElementCount()); });
return llvm::all_of(llvm::drop_begin(VecTys, 1), [&EC](VectorType *VTy) {
return (EC == VTy->getElementCount());
});
}
#endif // NDEBUG

4
lib/CodeGen/CodeGenPrepare.cpp
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@ -661,7 +661,7 @@ bool CodeGenPrepare::eliminateFallThrough(Function &F) {
// Use a temporary array to avoid iterator being invalidated when
// deleting blocks.
SmallVector<WeakTrackingVH, 16> Blocks;
for (auto &Block : llvm::make_range(std::next(F.begin()), F.end()))
for (auto &Block : llvm::drop_begin(F, 1))
Blocks.push_back(&Block);
SmallSet<WeakTrackingVH, 16> Preds;
@ -747,7 +747,7 @@ bool CodeGenPrepare::eliminateMostlyEmptyBlocks(Function &F) {
// as we remove them.
// Note that this intentionally skips the entry block.
SmallVector<WeakTrackingVH, 16> Blocks;
for (auto &Block : llvm::make_range(std::next(F.begin()), F.end()))
for (auto &Block : llvm::drop_begin(F, 1))
Blocks.push_back(&Block);
for (auto &Block : Blocks) {

2
lib/Target/Hexagon/MCTargetDesc/HexagonMCInstrInfo.cpp
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@ -110,7 +110,7 @@ HexagonMCInstrInfo::bundleInstructions(MCInstrInfo const &MCII,
iterator_range<MCInst::const_iterator>
HexagonMCInstrInfo::bundleInstructions(MCInst const &MCI) {
assert(isBundle(MCI));
return make_range(MCI.begin() + bundleInstructionsOffset, MCI.end());
return drop_begin(MCI, bundleInstructionsOffset);
}
size_t HexagonMCInstrInfo::bundleSize(MCInst const &MCI) {

3
lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
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@ -977,8 +977,7 @@ WebAssemblyTargetLowering::LowerCall(CallLoweringInfo &CLI,
/*isSS=*/false);
unsigned ValNo = 0;
SmallVector<SDValue, 8> Chains;
for (SDValue Arg :
make_range(OutVals.begin() + NumFixedArgs, OutVals.end())) {
for (SDValue Arg : drop_begin(OutVals, NumFixedArgs)) {
assert(ArgLocs[ValNo].getValNo() == ValNo &&
"ArgLocs should remain in order and only hold varargs args");
unsigned Offset = ArgLocs[ValNo++].getLocMemOffset();

6
lib/Target/X86/X86MCInstLower.cpp
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@ -1334,7 +1334,7 @@ void X86AsmPrinter::LowerPATCHABLE_OP(const MachineInstr &MI,
MCInst MCI;
MCI.setOpcode(Opcode);
for (auto &MO : make_range(MI.operands_begin() + 2, MI.operands_end()))
for (auto &MO : drop_begin(MI.operands(), 2))
if (auto MaybeOperand = MCIL.LowerMachineOperand(&MI, MO))
MCI.addOperand(MaybeOperand.getValue());
@ -1710,7 +1710,7 @@ void X86AsmPrinter::LowerPATCHABLE_RET(const MachineInstr &MI,
unsigned OpCode = MI.getOperand(0).getImm();
MCInst Ret;
Ret.setOpcode(OpCode);
for (auto &MO : make_range(MI.operands_begin() + 1, MI.operands_end()))
for (auto &MO : drop_begin(MI.operands(), 1))
if (auto MaybeOperand = MCIL.LowerMachineOperand(&MI, MO))
Ret.addOperand(MaybeOperand.getValue());
OutStreamer->emitInstruction(Ret, getSubtargetInfo());
@ -1749,7 +1749,7 @@ void X86AsmPrinter::LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI,
// Before emitting the instruction, add a comment to indicate that this is
// indeed a tail call.
OutStreamer->AddComment("TAILCALL");
for (auto &MO : make_range(MI.operands_begin() + 1, MI.operands_end()))
for (auto &MO : drop_begin(MI.operands(), 1))
if (auto MaybeOperand = MCIL.LowerMachineOperand(&MI, MO))
TC.addOperand(MaybeOperand.getValue());
OutStreamer->emitInstruction(TC, getSubtargetInfo());

3
lib/Transforms/IPO/OpenMPOpt.cpp
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@ -739,8 +739,7 @@ private:
<< ore::NV("OpenMPParallelMergeFront",
MergableCIs.front()->getDebugLoc())
<< " merged with parallel regions at ";
for (auto *CI :
llvm::make_range(MergableCIs.begin() + 1, MergableCIs.end())) {
for (auto *CI : llvm::drop_begin(MergableCIs, 1)) {
OR << ore::NV("OpenMPParallelMerge", CI->getDebugLoc());
if (CI != MergableCIs.back())
OR << ", ";

2
lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp
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@ -261,7 +261,7 @@ void splitAndWriteThinLTOBitcode(
if (!RT || RT->getBitWidth() > 64 || F->arg_empty() ||
!F->arg_begin()->use_empty())
return;
for (auto &Arg : make_range(std::next(F->arg_begin()), F->arg_end())) {
for (auto &Arg : drop_begin(F->args(), 1)) {
auto *ArgT = dyn_cast<IntegerType>(Arg.getType());
if (!ArgT || ArgT->getBitWidth() > 64)
return;

2
lib/Transforms/IPO/WholeProgramDevirt.cpp
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@ -470,7 +470,7 @@ CallSiteInfo &VTableSlotInfo::findCallSiteInfo(CallBase &CB) {
auto *CBType = dyn_cast<IntegerType>(CB.getType());
if (!CBType || CBType->getBitWidth() > 64 || CB.arg_empty())
return CSInfo;
for (auto &&Arg : make_range(CB.arg_begin() + 1, CB.arg_end())) {
for (auto &&Arg : drop_begin(CB.args(), 1)) {
auto *CI = dyn_cast<ConstantInt>(Arg);
if (!CI || CI->getBitWidth() > 64)
return CSInfo;

3
tools/llvm-xray/xray-stacks.cpp
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@ -456,8 +456,7 @@ public:
int Level = 0;
OS << formatv("{0,-5} {1,-60} {2,+12} {3,+16}\n", "lvl", "function",
"count", "sum");
for (auto *F :
reverse(make_range(CurrentStack.begin() + 1, CurrentStack.end()))) {
for (auto *F : reverse(drop_begin(CurrentStack, 1))) {
auto Sum = std::accumulate(F->ExtraData.IntermediateDurations.begin(),
F->ExtraData.IntermediateDurations.end(), 0LL);
auto FuncId = FN.SymbolOrNumber(F->FuncId);