[llvm] 562356d - [Target] Use range-based for loops (NFC)

Kazu Hirata via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 26 08:23:11 PST 2021


Author: Kazu Hirata
Date: 2021-11-26T08:23:01-08:00
New Revision: 562356d6e3b5aaceddb4fff34af5fbdcb6748570

URL: https://github.com/llvm/llvm-project/commit/562356d6e3b5aaceddb4fff34af5fbdcb6748570
DIFF: https://github.com/llvm/llvm-project/commit/562356d6e3b5aaceddb4fff34af5fbdcb6748570.diff

LOG: [Target] Use range-based for loops (NFC)

Added: 
    

Modified: 
    llvm/lib/Target/ARC/ARCMCInstLower.cpp
    llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
    llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
    llvm/lib/Target/ARM/ARMISelLowering.cpp
    llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
    llvm/lib/Target/ARM/Thumb2SizeReduction.cpp
    llvm/lib/Target/BPF/BPFMCInstLower.cpp
    llvm/lib/Target/Hexagon/BitTracker.cpp
    llvm/lib/Target/Hexagon/HexagonGenInsert.cpp
    llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/ARC/ARCMCInstLower.cpp b/llvm/lib/Target/ARC/ARCMCInstLower.cpp
index 62462b77eccf..50ba9fe75232 100644
--- a/llvm/lib/Target/ARC/ARCMCInstLower.cpp
+++ b/llvm/lib/Target/ARC/ARCMCInstLower.cpp
@@ -104,8 +104,7 @@ MCOperand ARCMCInstLower::LowerOperand(const MachineOperand &MO,
 void ARCMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
   OutMI.setOpcode(MI->getOpcode());
 
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     MCOperand MCOp = LowerOperand(MO);
 
     if (MCOp.isValid())

diff  --git a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 2d981be4cfc1..918308318bee 100644
--- a/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -310,8 +310,7 @@ ARMBaseInstrInfo::convertToThreeAddress(MachineInstr &MI, LiveVariables *LV,
 
   // Transfer LiveVariables states, kill / dead info.
   if (LV) {
-    for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
-      MachineOperand &MO = MI.getOperand(i);
+    for (const MachineOperand &MO : MI.operands()) {
       if (MO.isReg() && Register::isVirtualRegister(MO.getReg())) {
         Register Reg = MO.getReg();
 
@@ -634,8 +633,7 @@ bool ARMBaseInstrInfo::ClobbersPredicate(MachineInstr &MI,
                                          std::vector<MachineOperand> &Pred,
                                          bool SkipDead) const {
   bool Found = false;
-  for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI.getOperand(i);
+  for (const MachineOperand &MO : MI.operands()) {
     bool ClobbersCPSR = MO.isRegMask() && MO.clobbersPhysReg(ARM::CPSR);
     bool IsCPSR = MO.isReg() && MO.isDef() && MO.getReg() == ARM::CPSR;
     if (ClobbersCPSR || IsCPSR) {
@@ -732,8 +730,7 @@ bool ARMBaseInstrInfo::isPredicable(const MachineInstr &MI) const {
 namespace llvm {
 
 template <> bool IsCPSRDead<MachineInstr>(const MachineInstr *MI) {
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     if (!MO.isReg() || MO.isUndef() || MO.isUse())
       continue;
     if (MO.getReg() != ARM::CPSR)
@@ -2312,8 +2309,7 @@ ARMBaseInstrInfo::canFoldIntoMOVCC(Register Reg, const MachineRegisterInfo &MRI,
     return nullptr;
   // Check if MI has any non-dead defs or physreg uses. This also detects
   // predicated instructions which will be reading CPSR.
-  for (unsigned i = 1, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), 1)) {
     // Reject frame index operands, PEI can't handle the predicated pseudos.
     if (MO.isFI() || MO.isCPI() || MO.isJTI())
       return nullptr;
@@ -4857,11 +4853,10 @@ bool ARMBaseInstrInfo::verifyInstruction(const MachineInstr &MI,
   if (MI.getOpcode() == ARM::tPUSH ||
       MI.getOpcode() == ARM::tPOP ||
       MI.getOpcode() == ARM::tPOP_RET) {
-    for (int i = 2, e = MI.getNumOperands(); i < e; ++i) {
-      if (MI.getOperand(i).isImplicit() ||
-          !MI.getOperand(i).isReg())
+    for (const MachineOperand &MO : llvm::drop_begin(MI.operands(), 2)) {
+      if (MO.isImplicit() || !MO.isReg())
         continue;
-      Register Reg = MI.getOperand(i).getReg();
+      Register Reg = MO.getReg();
       if (Reg < ARM::R0 || Reg > ARM::R7) {
         if (!(MI.getOpcode() == ARM::tPUSH && Reg == ARM::LR) &&
             !(MI.getOpcode() == ARM::tPOP_RET && Reg == ARM::PC)) {

diff  --git a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index a8f09969e948..900be964e533 100644
--- a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -125,9 +125,8 @@ void ARMExpandPseudo::TransferImpOps(MachineInstr &OldMI,
                                      MachineInstrBuilder &UseMI,
                                      MachineInstrBuilder &DefMI) {
   const MCInstrDesc &Desc = OldMI.getDesc();
-  for (unsigned i = Desc.getNumOperands(), e = OldMI.getNumOperands();
-       i != e; ++i) {
-    const MachineOperand &MO = OldMI.getOperand(i);
+  for (const MachineOperand &MO :
+       llvm::drop_begin(OldMI.operands(), Desc.getNumOperands())) {
     assert(MO.isReg() && MO.getReg());
     if (MO.isUse())
       UseMI.add(MO);
@@ -2252,8 +2251,8 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
               .add(predOps(ARMCC::AL))
               .addReg(JumpReg, RegState::Kill);
 
-      for (int I = 1, E = MI.getNumOperands(); I != E; ++I)
-        NewCall->addOperand(MI.getOperand(I));
+      for (const MachineOperand &MO : llvm::drop_begin(MI.operands()))
+        NewCall->addOperand(MO);
       if (MI.isCandidateForCallSiteEntry())
         MI.getMF()->moveCallSiteInfo(&MI, NewCall.getInstr());
 
@@ -3065,7 +3064,8 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
         MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::BL));
       }
       MIB.cloneMemRefs(MI);
-      for (unsigned i = 1; i < MI.getNumOperands(); ++i) MIB.add(MI.getOperand(i));
+      for (const MachineOperand &MO : llvm::drop_begin(MI.operands()))
+        MIB.add(MO);
       MI.eraseFromParent();
       return true;
     }
@@ -3080,8 +3080,8 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
                       Opcode == ARM::LOADDUAL ? RegState::Define : 0)
               .addReg(TRI->getSubReg(PairReg, ARM::gsub_1),
                       Opcode == ARM::LOADDUAL ? RegState::Define : 0);
-      for (unsigned i = 1; i < MI.getNumOperands(); i++)
-        MIB.add(MI.getOperand(i));
+      for (const MachineOperand &MO : llvm::drop_begin(MI.operands()))
+        MIB.add(MO);
       MIB.add(predOps(ARMCC::AL));
       MIB.cloneMemRefs(MI);
       MI.eraseFromParent();

diff  --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index d87ef2babf16..1a9f3a59aa58 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -11771,8 +11771,8 @@ ARMTargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
     case ARM::STRH_preidx: NewOpc = ARM::STRH_PRE; break;
     }
     MachineInstrBuilder MIB = BuildMI(*BB, MI, dl, TII->get(NewOpc));
-    for (unsigned i = 0; i < MI.getNumOperands(); ++i)
-      MIB.add(MI.getOperand(i));
+    for (const MachineOperand &MO : MI.operands())
+      MIB.add(MO);
     MI.eraseFromParent();
     return BB;
   }

diff  --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 96f80cd38ecc..8568aa4c1a50 100644
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1298,8 +1298,8 @@ bool ARMLoadStoreOpt::MergeBaseUpdateLSMultiple(MachineInstr *MI) {
 
   // Can't use an updating ld/st if the base register is also a dest
   // register. e.g. ldmdb r0!, {r0, r1, r2}. The behavior is undefined.
-  for (unsigned i = 2, e = MI->getNumOperands(); i != e; ++i)
-    if (MI->getOperand(i).getReg() == Base)
+  for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), 2))
+    if (MO.getReg() == Base)
       return false;
 
   int Bytes = getLSMultipleTransferSize(MI);
@@ -1350,8 +1350,8 @@ bool ARMLoadStoreOpt::MergeBaseUpdateLSMultiple(MachineInstr *MI) {
     .addImm(Pred).addReg(PredReg);
 
   // Transfer the rest of operands.
-  for (unsigned OpNum = 3, e = MI->getNumOperands(); OpNum != e; ++OpNum)
-    MIB.add(MI->getOperand(OpNum));
+  for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), 3))
+    MIB.add(MO);
 
   // Transfer memoperands.
   MIB.setMemRefs(MI->memoperands());

diff  --git a/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp b/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp
index 132516694f4e..1164b6ebbac3 100644
--- a/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp
+++ b/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp
@@ -502,8 +502,8 @@ Thumb2SizeReduce::ReduceLoadStore(MachineBasicBlock &MBB, MachineInstr *MI,
     // For the non-writeback version (this one), the base register must be
     // one of the registers being loaded.
     bool isOK = false;
-    for (unsigned i = 3; i < MI->getNumOperands(); ++i) {
-      if (MI->getOperand(i).getReg() == BaseReg) {
+    for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), 3)) {
+      if (MO.getReg() == BaseReg) {
         isOK = true;
         break;
       }
@@ -527,8 +527,8 @@ Thumb2SizeReduce::ReduceLoadStore(MachineBasicBlock &MBB, MachineInstr *MI,
     // numbered register (i.e. it's in operand 4 onwards) then with writeback
     // the stored value is unknown, so we can't convert to tSTMIA_UPD.
     Register BaseReg = MI->getOperand(0).getReg();
-    for (unsigned i = 4; i < MI->getNumOperands(); ++i)
-      if (MI->getOperand(i).getReg() == BaseReg)
+    for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), 4))
+      if (MO.getReg() == BaseReg)
         return false;
 
     break;
@@ -611,8 +611,8 @@ Thumb2SizeReduce::ReduceLoadStore(MachineBasicBlock &MBB, MachineInstr *MI,
   }
 
   // Transfer the rest of operands.
-  for (unsigned e = MI->getNumOperands(); OpNum != e; ++OpNum)
-    MIB.add(MI->getOperand(OpNum));
+  for (const MachineOperand &MO : llvm::drop_begin(MI->operands(), OpNum))
+    MIB.add(MO);
 
   // Transfer memoperands.
   MIB.setMemRefs(MI->memoperands());

diff  --git a/llvm/lib/Target/BPF/BPFMCInstLower.cpp b/llvm/lib/Target/BPF/BPFMCInstLower.cpp
index 846798a63cb7..2ce9c386f24c 100644
--- a/llvm/lib/Target/BPF/BPFMCInstLower.cpp
+++ b/llvm/lib/Target/BPF/BPFMCInstLower.cpp
@@ -47,9 +47,7 @@ MCOperand BPFMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
 void BPFMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
   OutMI.setOpcode(MI->getOpcode());
 
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
-
+  for (const MachineOperand &MO : MI->operands()) {
     MCOperand MCOp;
     switch (MO.getType()) {
     default:

diff  --git a/llvm/lib/Target/Hexagon/BitTracker.cpp b/llvm/lib/Target/Hexagon/BitTracker.cpp
index 0f6c10a6256c..685bafd785df 100644
--- a/llvm/lib/Target/Hexagon/BitTracker.cpp
+++ b/llvm/lib/Target/Hexagon/BitTracker.cpp
@@ -850,8 +850,7 @@ void BT::visitNonBranch(const MachineInstr &MI) {
   bool Eval = ME.evaluate(MI, Map, ResMap);
 
   if (Trace && Eval) {
-    for (unsigned i = 0, n = MI.getNumOperands(); i < n; ++i) {
-      const MachineOperand &MO = MI.getOperand(i);
+    for (const MachineOperand &MO : MI.operands()) {
       if (!MO.isReg() || !MO.isUse())
         continue;
       RegisterRef RU(MO);

diff  --git a/llvm/lib/Target/Hexagon/HexagonGenInsert.cpp b/llvm/lib/Target/Hexagon/HexagonGenInsert.cpp
index 0ad06934898b..46c1fbc6eeb2 100644
--- a/llvm/lib/Target/Hexagon/HexagonGenInsert.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonGenInsert.cpp
@@ -602,8 +602,7 @@ void HexagonGenInsert::buildOrderingMF(RegisterOrdering &RO) const {
       continue;
 
     for (const MachineInstr &MI : B) {
-      for (unsigned i = 0, n = MI.getNumOperands(); i < n; ++i) {
-        const MachineOperand &MO = MI.getOperand(i);
+      for (const MachineOperand &MO : MI.operands()) {
         if (MO.isReg() && MO.isDef()) {
           Register R = MO.getReg();
           assert(MO.getSubReg() == 0 && "Unexpected subregister in definition");
@@ -719,8 +718,7 @@ bool HexagonGenInsert::findNonSelfReference(unsigned VR) const {
 
 void HexagonGenInsert::getInstrDefs(const MachineInstr *MI,
       RegisterSet &Defs) const {
-  for (unsigned i = 0, n = MI->getNumOperands(); i < n; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     if (!MO.isReg() || !MO.isDef())
       continue;
     Register R = MO.getReg();
@@ -732,8 +730,7 @@ void HexagonGenInsert::getInstrDefs(const MachineInstr *MI,
 
 void HexagonGenInsert::getInstrUses(const MachineInstr *MI,
       RegisterSet &Uses) const {
-  for (unsigned i = 0, n = MI->getNumOperands(); i < n; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     if (!MO.isReg() || !MO.isUse())
       continue;
     Register R = MO.getReg();

diff  --git a/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp b/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp
index 0fe2f74babca..5d2e1b259449 100644
--- a/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonHardwareLoops.cpp
@@ -1032,8 +1032,7 @@ bool HexagonHardwareLoops::containsInvalidInstruction(MachineLoop *L,
 bool HexagonHardwareLoops::isDead(const MachineInstr *MI,
                               SmallVectorImpl<MachineInstr *> &DeadPhis) const {
   // Examine each operand.
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     if (!MO.isReg() || !MO.isDef())
       continue;
 
@@ -1087,8 +1086,7 @@ void HexagonHardwareLoops::removeIfDead(MachineInstr *MI) {
     // It is possible that some DBG_VALUE instructions refer to this
     // instruction.  Examine each def operand for such references;
     // if found, mark the DBG_VALUE as undef (but don't delete it).
-    for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-      const MachineOperand &MO = MI->getOperand(i);
+    for (const MachineOperand &MO : MI->operands()) {
       if (!MO.isReg() || !MO.isDef())
         continue;
       Register Reg = MO.getReg();


        


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