Fix typos of occurred and occurrence

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323318 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineBasicBlock.h

@@ -554,7 +554,7 @@ class MachineBasicBlock
   /// Check if the edge between this block and the given successor \p
   /// Succ, can be split. If this returns true a subsequent call to
   /// SplitCriticalEdge is guaranteed to return a valid basic block if
-  /// no changes occured in the meantime.
+  /// no changes occurred in the meantime.
   bool canSplitCriticalEdge(const MachineBasicBlock *Succ) const;
 
   void pop_front() { Insts.pop_front(); }

include/llvm/CodeGen/TargetPassConfig.h

@@ -212,7 +212,7 @@ class TargetPassConfig : public ImmutablePass {
   /// representation to the MI representation.
   /// Adds IR based lowering and target specific optimization passes and finally
   /// the core instruction selection passes.
-  /// \returns true if an error occured, false otherwise.
+  /// \returns true if an error occurred, false otherwise.
   bool addISelPasses();
 
   /// Add common target configurable passes that perform LLVM IR to IR

include/llvm/DebugInfo/DWARF/DWARFVerifier.h

@@ -108,7 +108,7 @@ class DWARFVerifier {
   /// \param Abbrev Pointer to the abbreviations section we are verifying
   /// Abbrev can be a pointer to either .debug_abbrev or debug_abbrev.dwo.
   ///
-  /// \returns The number of errors that occured during verification.
+  /// \returns The number of errors that occurred during verification.
   unsigned verifyAbbrevSection(const DWARFDebugAbbrev *Abbrev);
 
   /// Verifies the header of a unit in the .debug_info section.
@@ -157,7 +157,7 @@ class DWARFVerifier {
   /// This function currently checks for:
   /// - cases in which lowPC >= highPC
   ///
-  /// \returns Number of errors that occured during verification.
+  /// \returns Number of errors that occurred during verification.
   unsigned verifyDieRanges(const DWARFDie &Die, DieRangeInfo &ParentRI);
 
   /// Verifies the attribute's DWARF attribute and its value.
@@ -169,7 +169,7 @@ class DWARFVerifier {
   /// \param Die          The DWARF DIE that owns the attribute value
   /// \param AttrValue    The DWARF attribute value to check
   ///
-  /// \returns NumErrors The number of errors occured during verification of
+  /// \returns NumErrors The number of errors occurred during verification of
   /// attributes' values in a .debug_info section unit
   unsigned verifyDebugInfoAttribute(const DWARFDie &Die,
                                     DWARFAttribute &AttrValue);
@@ -184,7 +184,7 @@ class DWARFVerifier {
   /// \param Die          The DWARF DIE that owns the attribute value
   /// \param AttrValue    The DWARF attribute value to check
   ///
-  /// \returns NumErrors The number of errors occured during verification of
+  /// \returns NumErrors The number of errors occurred during verification of
   /// attributes' forms in a .debug_info section unit
   unsigned verifyDebugInfoForm(const DWARFDie &Die, DWARFAttribute &AttrValue);
 
@@ -196,7 +196,7 @@ class DWARFVerifier {
   /// around, that it doesn't create invalid references by failing to relocate
   /// CU relative and absolute references.
   ///
-  /// \returns NumErrors The number of errors occured during verification of
+  /// \returns NumErrors The number of errors occurred during verification of
   /// references for the .debug_info section
   unsigned verifyDebugInfoReferences();
 
@@ -227,7 +227,7 @@ class DWARFVerifier {
   /// \param StrData pointer to the string section
   /// \param SectionName the name of the table we're verifying
   ///
-  /// \returns The number of errors occured during verification
+  /// \returns The number of errors occurred during verification
   unsigned verifyAppleAccelTable(const DWARFSection *AccelSection,
                                  DataExtractor *StrData,
                                  const char *SectionName);

include/llvm/MC/MCAsmBackend.h

@@ -173,7 +173,7 @@ class MCAsmBackend {
   /// \param PF The fragment to relax.
   /// \param Layout Code layout information.
   ///
-  /// \returns true iff any relaxation occured.
+  /// \returns true iff any relaxation occurred.
   bool relaxFragment(MCPaddingFragment *PF, MCAsmLayout &Layout);
 };
 

include/llvm/MC/MCCodePadder.h

@@ -119,7 +119,7 @@ class MCCodePadder {
   /// \param Fragment The fragment to relax.
   /// \param Layout Code layout information.
   ///
-  /// \returns true iff any relaxation occured.
+  /// \returns true iff any relaxation occurred.
   bool relaxFragment(MCPaddingFragment *Fragment, MCAsmLayout &Layout);
 };
 

include/llvm/Support/CachePruning.h

@@ -66,7 +66,7 @@ struct CachePruningPolicy {
 Expected<CachePruningPolicy> parseCachePruningPolicy(StringRef PolicyStr);
 
 /// Peform pruning using the supplied policy, returns true if pruning
-/// occured, i.e. if Policy.Interval was expired.
+/// occurred, i.e. if Policy.Interval was expired.
 ///
 /// As a safeguard against data loss if the user specifies the wrong directory
 /// as their cache directory, this function will ignore files not matching the

lib/Analysis/LazyCallGraph.cpp

@@ -1294,7 +1294,7 @@ LazyCallGraph::RefSCC::removeInternalRefEdge(Node &SourceN,
 
   // Otherwise we create a collection of new RefSCC nodes and build
   // a radix-sort style map from postorder number to these new RefSCCs. We then
-  // append SCCs to each of these RefSCCs in the order they occured in the
+  // append SCCs to each of these RefSCCs in the order they occurred in the
   // original SCCs container.
   for (int i = 0; i < PostOrderNumber; ++i)
     Result.push_back(G->createRefSCC(*G));

lib/Passes/PassBuilder.cpp

@@ -586,7 +586,7 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
                                            true));
   }
 
-  // Interprocedural constant propagation now that basic cleanup has occured
+  // Interprocedural constant propagation now that basic cleanup has occurred
   // and prior to optimizing globals.
   // FIXME: This position in the pipeline hasn't been carefully considered in
   // years, it should be re-analyzed.

tools/llvm-rc/ResourceFileWriter.h

@@ -93,7 +93,7 @@ class ResourceFileWriter : public Visitor {
       Bundle(const ObjectInfo &Info) : DeclTimeInfo(Info) {}
     };
     std::map<BundleKey, Bundle> BundleData;
-    // Bundles are listed in the order of their first occurence.
+    // Bundles are listed in the order of their first occurrence.
     std::vector<BundleKey> BundleList;
   } StringTableData;
 

tools/llvm-rc/ResourceScriptToken.h

@@ -68,7 +68,7 @@ class RCToken {
 };
 
 // Tokenize Input.
-// In case no error occured, the return value contains
+// In case no error occurred, the return value contains
 //   tokens in order they were in the input file.
 // In case of any error, the return value contains
 //   a textual representation of error.

unittests/ADT/DenseMapTest.cpp

@@ -384,7 +384,7 @@ TEST(DenseMapCustomTest, DefaultMinReservedSizeTest) {
   EXPECT_EQ(MemorySize, Map.getMemorySize());
   // Check that move was called the expected number of times
   EXPECT_EQ(ExpectedMaxInitialEntries, CountCopyAndMove::Move);
-  // Check that no copy occured
+  // Check that no copy occurred
   EXPECT_EQ(0, CountCopyAndMove::Copy);
 
   // Adding one extra element should grow the map
@@ -397,7 +397,7 @@ TEST(DenseMapCustomTest, DefaultMinReservedSizeTest) {
   // Check that move was called the expected number of times
   //  This relies on move-construction elision, and cannot be reliably tested.
   //   EXPECT_EQ(ExpectedMaxInitialEntries + 2, CountCopyAndMove::Move);
-  // Check that no copy occured
+  // Check that no copy occurred
   EXPECT_EQ(0, CountCopyAndMove::Copy);
 }
 
@@ -422,7 +422,7 @@ TEST(DenseMapCustomTest, InitialSizeTest) {
     EXPECT_EQ(MemorySize, Map.getMemorySize());
     // Check that move was called the expected number of times
     EXPECT_EQ(Size, CountCopyAndMove::Move);
-    // Check that no copy occured
+    // Check that no copy occurred
     EXPECT_EQ(0, CountCopyAndMove::Copy);
   }
 }
@@ -438,7 +438,7 @@ TEST(DenseMapCustomTest, InitFromIterator) {
   CountCopyAndMove::Move = 0;
   CountCopyAndMove::Copy = 0;
   DenseMap<int, CountCopyAndMove> Map(Values.begin(), Values.end());
-  // Check that no move occured
+  // Check that no move occurred
   EXPECT_EQ(0, CountCopyAndMove::Move);
   // Check that copy was called the expected number of times
   EXPECT_EQ(Count, CountCopyAndMove::Copy);
@@ -466,7 +466,7 @@ TEST(DenseMapCustomTest, ReserveTest) {
     EXPECT_EQ(MemorySize, Map.getMemorySize());
     // Check that move was called the expected number of times
     EXPECT_EQ(Size, CountCopyAndMove::Move);
-    // Check that no copy occured
+    // Check that no copy occurred
     EXPECT_EQ(0, CountCopyAndMove::Copy);
   }
 }

unittests/ADT/DenseSetTest.cpp

@@ -181,7 +181,7 @@ TEST(DenseSetCustomTest, ReserveTest) {
     EXPECT_EQ(MemorySize, Set.getMemorySize());
     // Check that move was called the expected number of times
     EXPECT_EQ(Size, CountCopyAndMove::Move);
-    // Check that no copy occured
+    // Check that no copy occurred
     EXPECT_EQ(0, CountCopyAndMove::Copy);
   }
 }

utils/docker/scripts/build_install_llvm.sh

@@ -103,7 +103,7 @@ while [[ $# -gt 0 ]]; do
 
       if [ "$PROJ" == "clang-tools-extra" ]; then
         if [ $CLANG_TOOLS_EXTRA_ENABLED -ne 0 ]; then
-          echo "Project 'clang-tools-extra' is already enabled, ignoring extra occurences."
+          echo "Project 'clang-tools-extra' is already enabled, ignoring extra occurrences."
         else
           CLANG_TOOLS_EXTRA_ENABLED=1
         fi
@@ -114,7 +114,7 @@ while [[ $# -gt 0 ]]; do
       if ! contains_project "$PROJ" ; then
         append_project "$PROJ"
       else
-        echo "Project '$PROJ' is already enabled, ignoring extra occurences."
+        echo "Project '$PROJ' is already enabled, ignoring extra occurrences."
       fi
       ;;
     -i|--install-target)

utils/unittest/googletest/include/gtest/internal/gtest-filepath.h

@@ -192,7 +192,7 @@ class GTEST_API_ FilePath {
 
   void Normalize();
 
-  // Returns a pointer to the last occurence of a valid path separator in
+  // Returns a pointer to the last occurrence of a valid path separator in
   // the FilePath. On Windows, for example, both '/' and '\' are valid path
   // separators. Returns NULL if no path separator was found.
   const char* FindLastPathSeparator() const;

utils/unittest/googletest/src/gtest-filepath.cc

@@ -130,7 +130,7 @@ FilePath FilePath::RemoveExtension(const char* extension) const {
   return *this;
 }
 
-// Returns a pointer to the last occurence of a valid path separator in
+// Returns a pointer to the last occurrence of a valid path separator in
 // the FilePath. On Windows, for example, both '/' and '\' are valid path
 // separators. Returns NULL if no path separator was found.
 const char* FilePath::FindLastPathSeparator() const {