[NFC] sentinal -> sentinel

Author: davemgreen

llvm/include/llvm/IR/Attributes.h

@@ -86,7 +86,7 @@ class Attribute {
     None,                  ///< No attributes have been set
     #define GET_ATTR_ENUM
     #include "llvm/IR/Attributes.inc"
-    EndAttrKinds,          ///< Sentinal value useful for loops
+    EndAttrKinds,          ///< Sentinel value useful for loops
     EmptyKey,              ///< Use as Empty key for DenseMap of AttrKind
     TombstoneKey,          ///< Use as Tombstone key for DenseMap of AttrKind
   };

llvm/include/llvm/MC/MCSymbol.h

@@ -61,7 +61,7 @@ class MCSymbol {
     SymContentsTargetCommon, // Index stores the section index
   };
 
-  // Special sentinal value for the absolute pseudo fragment.
+  // Special sentinel value for the absolute pseudo fragment.
   static MCFragment *AbsolutePseudoFragment;
 
   /// If a symbol has a Fragment, the section is implied, so we only need

llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h

@@ -924,7 +924,7 @@ class MLocTracker {
   LocIdx getRegMLoc(Register R) {
     unsigned ID = getLocID(R);
     assert(ID < LocIDToLocIdx.size());
-    assert(LocIDToLocIdx[ID] != UINT_MAX); // Sentinal for IndexedMap.
+    assert(LocIDToLocIdx[ID] != UINT_MAX); // Sentinel for IndexedMap.
     return LocIDToLocIdx[ID];
   }
 
@@ -940,7 +940,7 @@ class MLocTracker {
 
   // Get LocIdx of a spill ID.
   LocIdx getSpillMLoc(unsigned SpillID) {
-    assert(LocIDToLocIdx[SpillID] != UINT_MAX); // Sentinal for IndexedMap.
+    assert(LocIDToLocIdx[SpillID] != UINT_MAX); // Sentinel for IndexedMap.
     return LocIDToLocIdx[SpillID];
   }
 

llvm/lib/CodeGen/SlotIndexes.cpp

@@ -62,7 +62,7 @@ bool SlotIndexes::runOnMachineFunction(MachineFunction &fn) {
 
   mf = &fn;
 
-  // Check that the list contains only the sentinal.
+  // Check that the list contains only the sentinel.
   assert(indexList.empty() && "Index list non-empty at initial numbering?");
   assert(idx2MBBMap.empty() &&
          "Index -> MBB mapping non-empty at initial numbering?");

llvm/lib/ExecutionEngine/ExecutionEngine.cpp

@@ -386,7 +386,7 @@ void ExecutionEngine::runStaticConstructorsDestructors(Module &module,
 
     Constant *FP = CS->getOperand(1);
     if (FP->isNullValue())
-      continue;  // Found a sentinal value, ignore.
+      continue;  // Found a sentinel value, ignore.
 
     // Strip off constant expression casts.
     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(FP))

llvm/lib/MC/MCFragment.cpp

@@ -264,7 +264,7 @@ MCFragment::MCFragment(FragmentType Kind, bool HasInstructions,
 }
 
 void MCFragment::destroy() {
-  // First check if we are the sentinal.
+  // First check if we are the sentinel.
   if (Kind == FragmentType(~0)) {
     delete this;
     return;

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -25430,7 +25430,7 @@ bool AArch64TargetLowering::shouldLocalize(
     RematCost += AdditionalCost;
     Register Reg = MI.getOperand(0).getReg();
     unsigned MaxUses = maxUses(RematCost);
-    // Don't pass UINT_MAX sentinal value to hasAtMostUserInstrs().
+    // Don't pass UINT_MAX sentinel value to hasAtMostUserInstrs().
     if (MaxUses == std::numeric_limits<unsigned>::max())
       --MaxUses;
     return MRI.hasAtMostUserInstrs(Reg, MaxUses);

llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp

@@ -242,7 +242,7 @@ static bool findDependencies(DependenceKind Flavor, const Value *Arg,
   } while (!Worklist.empty());
 
   // Determine whether the original StartBB post-dominates all of the blocks we
-  // visited. If not, insert a sentinal indicating that most optimizations are
+  // visited. If not, insert a sentinel indicating that most optimizations are
   // not safe.
   for (const BasicBlock *BB : Visited) {
     if (BB == StartBB)

llvm/lib/Transforms/Utils/BasicBlockUtils.cpp

@@ -536,7 +536,7 @@ static bool removeRedundantDbgInstrsUsingForwardScan(BasicBlock *BB) {
       SmallVector<Value *, 4> Values(DVI->getValues());
       if (VMI == VariableMap.end() || VMI->second.first != Values ||
           VMI->second.second != DVI->getExpression()) {
-        // Use a sentinal value (nullptr) for the DIExpression when we see a
+        // Use a sentinel value (nullptr) for the DIExpression when we see a
         // linked dbg.assign so that the next debug intrinsic will never match
         // it (i.e. always treat linked dbg.assigns as if they're unique).
         if (IsDbgValueKind)