Index: lib/Analysis/CGSCCPassManager.cpp
===================================================================
--- lib/Analysis/CGSCCPassManager.cpp
+++ lib/Analysis/CGSCCPassManager.cpp
@@ -32,7 +32,7 @@
 
 using namespace llvm;
 
-// Explicit template instantiations and specialization defininitions for core
+// Explicit template instantiations and specialization definitions for core
 // template typedefs.
 namespace llvm {
 
@@ -96,7 +96,7 @@
     // ...getContext().yield();
   }
 
-  // Invaliadtion was handled after each pass in the above loop for the current
+  // Invalidation was handled after each pass in the above loop for the current
   // SCC. Therefore, the remaining analysis results in the AnalysisManager are
   // preserved. We mark this with a set so that we don't need to inspect each
   // one individually.
@@ -372,7 +372,7 @@
   // We need to propagate an invalidation call to all but the newly current SCC
   // because the outer pass manager won't do that for us after splitting them.
   // FIXME: We should accept a PreservedAnalysis from the CG updater so that if
-  // there are preserved ananalyses we can avoid invalidating them here for
+  // there are preserved analysis we can avoid invalidating them here for
   // split-off SCCs.
   // We know however that this will preserve any FAM proxy so go ahead and mark
   // that.
@@ -635,7 +635,7 @@
 
       // If one of the invalidated SCCs had a cached proxy to a function
       // analysis manager, we need to create a proxy in the new current SCC as
-      // the invaliadted SCCs had their functions moved.
+      // the invalidated SCCs had their functions moved.
       if (HasFunctionAnalysisProxy)
         AM.getResult<FunctionAnalysisManagerCGSCCProxy>(*C, G);
 
Index: lib/Analysis/LoopAnalysisManager.cpp
===================================================================
--- lib/Analysis/LoopAnalysisManager.cpp
+++ lib/Analysis/LoopAnalysisManager.cpp
@@ -24,7 +24,7 @@
     "enable-mssa-loop-dependency", cl::Hidden, cl::init(false),
     cl::desc("Enable MemorySSA dependency for loop pass manager"));
 
-// Explicit template instantiations and specialization defininitions for core
+// Explicit template instantiations and specialization definitions for core
 // template typedefs.
 template class AllAnalysesOn<Loop>;
 template class AnalysisManager<Loop, LoopStandardAnalysisResults &>;
Index: lib/Analysis/ValueTracking.cpp
===================================================================
--- lib/Analysis/ValueTracking.cpp
+++ lib/Analysis/ValueTracking.cpp
@@ -530,7 +530,7 @@
   if (Inv->getParent() != CxtI->getParent())
     return false;
 
-  // If we have a dom tree, then we now know that the assume doens't dominate
+  // If we have a dom tree, then we now know that the assume doesn't dominate
   // the other instruction.  If we don't have a dom tree then we can check if
   // the assume is first in the BB.
   if (!DT) {
@@ -574,7 +574,7 @@
     if (Q.isExcluded(I))
       continue;
 
-    // Warning: This loop can end up being somewhat performance sensetive.
+    // Warning: This loop can end up being somewhat performance sensitive.
     // We're running this loop for once for each value queried resulting in a
     // runtime of ~O(#assumes * #values).
 
@@ -856,7 +856,7 @@
 /// Compute known bits from a shift operator, including those with a
 /// non-constant shift amount. Known is the output of this function. Known2 is a
 /// pre-allocated temporary with the same bit width as Known. KZF and KOF are
-/// operator-specific functors that, given the known-zero or known-one bits
+/// operator-specific functions that, given the known-zero or known-one bits
 /// respectively, and a shift amount, compute the implied known-zero or
 /// known-one bits of the shift operator's result respectively for that shift
 /// amount. The results from calling KZF and KOF are conservatively combined for
@@ -2192,7 +2192,7 @@
 /// (itself), but other cases can give us information. For example, immediately
 /// after an "ashr X, 2", we know that the top 3 bits are all equal to each
 /// other, so we return 3. For vectors, return the number of sign bits for the
-/// vector element with the mininum number of known sign bits.
+/// vector element with the minimum number of known sign bits.
 static unsigned ComputeNumSignBitsImpl(const Value *V, unsigned Depth,
                                        const Query &Q) {
   assert(Depth <= MaxDepth && "Limit Search Depth");
@@ -2979,7 +2979,7 @@
   if (!V)
     return nullptr;
 
-  // Insert the value in the new (sub) aggregrate
+  // Insert the value in the new (sub) aggregate
   return InsertValueInst::Create(To, V, makeArrayRef(Idxs).slice(IdxSkip),
                                  "tmp", InsertBefore);
 }
@@ -3008,9 +3008,9 @@
   return BuildSubAggregate(From, To, IndexedType, Idxs, IdxSkip, InsertBefore);
 }
 
-/// Given an aggregrate and an sequence of indices, see if
+/// Given an aggregate and a sequence of indices, see if
 /// the scalar value indexed is already around as a register, for example if it
-/// were inserted directly into the aggregrate.
+/// was inserted directly into the aggregate.
 ///
 /// If InsertBefore is not null, this function will duplicate (modified)
 /// insertvalues when a part of a nested struct is extracted.
Index: lib/Analysis/VectorUtils.cpp
===================================================================
--- lib/Analysis/VectorUtils.cpp
+++ lib/Analysis/VectorUtils.cpp
@@ -163,7 +163,7 @@
     return nullptr;
 
   // Try to remove a gep instruction to make the pointer (actually index at this
-  // point) easier analyzable. If OrigPtr is equal to Ptr we are analzying the
+  // point) easier analyzable. If OrigPtr is equal to Ptr we are analyzing the
   // pointer, otherwise, we are analyzing the index.
   Value *OrigPtr = Ptr;