[NFC] fix trivial typos in comments

"the the" -> "the"



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322934 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/PartialInlining.cpp

@@ -217,7 +217,7 @@ struct PartialInlinerImpl {
   // outline function due to code size.
   std::pair<bool, Function *> unswitchFunction(Function *F);
 
-  // This class speculatively clones the the function to be partial inlined.
+  // This class speculatively clones the function to be partial inlined.
   // At the end of partial inlining, the remaining callsites to the cloned
   // function that are not partially inlined will be fixed up to reference
   // the original function, and the cloned function will be erased.

lib/Transforms/Scalar/LoopDataPrefetch.cpp

@@ -71,7 +71,7 @@ public:
 private:
   bool runOnLoop(Loop *L);
 
-  /// \brief Check if the the stride of the accesses is large enough to
+  /// \brief Check if the stride of the accesses is large enough to
   /// warrant a prefetch.
   bool isStrideLargeEnough(const SCEVAddRecExpr *AR);
 
@@ -275,7 +275,7 @@ bool LoopDataPrefetch::runOnLoop(Loop *L) {
       if (!LSCEVAddRec)
         continue;
 
-      // Check if the the stride of the accesses is large enough to warrant a
+      // Check if the stride of the accesses is large enough to warrant a
       // prefetch.
       if (!isStrideLargeEnough(LSCEVAddRec))
         continue;

lib/Transforms/Scalar/MergeICmps.cpp

@@ -127,7 +127,7 @@ class BCECmpBlock {
     return Lhs_.Base() != nullptr && Rhs_.Base() != nullptr;
   }
 
-  // Assert the the block is consistent: If valid, it should also have
+  // Assert the block is consistent: If valid, it should also have
   // non-null members besides Lhs_ and Rhs_.
   void AssertConsistent() const {
     if (IsValid()) {
@@ -552,7 +552,7 @@ bool processPhi(PHINode &Phi, const TargetLibraryInfo *const TLI) {
   //  - The last basic block (bb4 here) must branch unconditionally to bb_phi.
   //    It's the only block that contributes a non-constant value to the Phi.
   //  - All other blocks (b1, b2, b3) must have exactly two successors, one of
-  //    them being the the phi block.
+  //    them being the phi block.
   //  - All intermediate blocks (bb2, bb3) must have only one predecessor.
   //  - Blocks cannot do other work besides the comparison, see doesOtherWork()
 

lib/Transforms/Utils/LoopUnrollPeel.cpp

@@ -272,7 +272,7 @@ static void updateBranchWeights(BasicBlock *Header, BranchInst *LatchBR,
 /// \param IterNumber The serial number of the iteration currently being
 /// peeled off.
 /// \param Exit The exit block of the original loop.
-/// \param[out] NewBlocks A list of the the blocks in the newly created clone
+/// \param[out] NewBlocks A list of the blocks in the newly created clone
 /// \param[out] VMap The value map between the loop and the new clone.
 /// \param LoopBlocks A helper for DFS-traversal of the loop.
 /// \param LVMap A value-map that maps instructions from the original loop to

lib/Transforms/Utils/LoopUtils.cpp

@@ -1456,7 +1456,7 @@ Optional<unsigned> llvm::getLoopEstimatedTripCount(Loop *L) {
   if (!L->getExitingBlock())
     return None;
 
-  // Get the branch weights for the the loop's backedge.
+  // Get the branch weights for the loop's backedge.
   BranchInst *LatchBR =
       dyn_cast<BranchInst>(L->getLoopLatch()->getTerminator());
   if (!LatchBR || LatchBR->getNumSuccessors() != 2)