rename func

Author: ellishg

llvm/include/llvm/CodeGen/TargetInstrInfo.h

@@ -2184,9 +2184,12 @@ class LLVM_ABI TargetInstrInfo : public MCInstrInfo {
                                        MachineBasicBlock::iterator &MIT,
                                        unsigned Flags) const;
 
-  /// Remove all Linker Optimization Hints associated with instructions in
-  // \p MIs and \return the number of hints removed.
-  virtual size_t clearLOHs(const SmallPtrSetImpl<MachineInstr *> &MIs) const {
+  /// Remove all Linker Optimization Hints (LOH) associated with instructions in
+  /// \p MIs and \return the number of hints removed. This is useful in
+  /// transformations that cause these hints to be illegal, like in the machine
+  /// outliner.
+  virtual size_t clearLinkerOptimizationHints(
+      const SmallPtrSetImpl<MachineInstr *> &MIs) const {
     return 0;
   }
 

llvm/lib/CodeGen/MachineOutliner.cpp

@@ -1086,7 +1086,7 @@ bool MachineOutliner::outline(
       const TargetInstrInfo &TII = *C.getMF()->getSubtarget().getInstrInfo();
       for (MachineInstr &MI : C)
         MIs.insert(&MI);
-      size_t NumRemoved = TII.clearLOHs(MIs);
+      size_t NumRemoved = TII.clearLinkerOptimizationHints(MIs);
       MIs.clear();
       MinRemovedLOHs =
           std::min(MinRemovedLOHs.value_or(NumRemoved), NumRemoved);

llvm/lib/Target/AArch64/AArch64InstrInfo.cpp

@@ -9641,13 +9641,13 @@ AArch64InstrInfo::getOutlinableRanges(MachineBasicBlock &MBB,
   return Ranges;
 }
 
-size_t
-AArch64InstrInfo::clearLOHs(const SmallPtrSetImpl<MachineInstr *> &MIs) const {
+size_t AArch64InstrInfo::clearLinkerOptimizationHints(
+    const SmallPtrSetImpl<MachineInstr *> &MIs) const {
   if (MIs.empty())
     return 0;
   auto *MI = *MIs.begin();
   auto *FuncInfo = MI->getMF()->getInfo<AArch64FunctionInfo>();
-  return FuncInfo->clearLOHs(MIs);
+  return FuncInfo->clearLinkerOptimizationHints(MIs);
 }
 
 outliner::InstrType

llvm/lib/Target/AArch64/AArch64InstrInfo.h

@@ -493,7 +493,8 @@ class AArch64InstrInfo final : public AArch64GenInstrInfo {
   outliner::InstrType getOutliningTypeImpl(const MachineModuleInfo &MMI,
                                            MachineBasicBlock::iterator &MIT,
                                            unsigned Flags) const override;
-  size_t clearLOHs(const SmallPtrSetImpl<MachineInstr *> &MIs) const override;
+  size_t clearLinkerOptimizationHints(
+      const SmallPtrSetImpl<MachineInstr *> &MIs) const override;
   SmallVector<
       std::pair<MachineBasicBlock::iterator, MachineBasicBlock::iterator>>
   getOutlinableRanges(MachineBasicBlock &MBB, unsigned &Flags) const override;

llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h

@@ -504,7 +504,8 @@ class AArch64FunctionInfo final : public MachineFunctionInfo {
     LOHRelated.insert_range(Args);
   }
 
-  size_t clearLOHs(const SmallPtrSetImpl<MachineInstr *> &MIs) {
+  size_t
+  clearLinkerOptimizationHints(const SmallPtrSetImpl<MachineInstr *> &MIs) {
     size_t InitialSize = LOHContainerSet.size();
     erase_if(LOHContainerSet, [&](const auto &D) {
       return any_of(D.getArgs(), [&](auto *Arg) { return MIs.contains(Arg); });