8 files changed, 9 insertions, 9 deletions
diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index 3a63258cd2..c3169acabb 100644
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -3564,7 +3564,7 @@ void APFloat::toString(SmallVectorImpl<char> &Str,
 }
 
 bool APFloat::getExactInverse(APFloat *inv) const {
-  // We can only guarantee the existance of an exact inverse for IEEE floats.
+  // We can only guarantee the existence of an exact inverse for IEEE floats.
   if (semantics != &IEEEhalf && semantics != &IEEEsingle &&
       semantics != &IEEEdouble && semantics != &IEEEquad)
     return false;
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 5789721c3a..23a22ac68f 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -1518,7 +1518,7 @@ APInt::ms APInt::magic() const {
 /// Requires that the divisor not be 0.  Taken from "Hacker's Delight", Henry
 /// S. Warren, Jr., chapter 10.
 /// LeadingZeros can be used to simplify the calculation if the upper bits
-/// of the devided value are known zero.
+/// of the divided value are known zero.
 APInt::mu APInt::magicu(unsigned LeadingZeros) const {
   const APInt& d = *this;
   unsigned p;
diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index 5dbabee7a7..4c8c0c63ff 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -198,7 +198,7 @@ int llvm::DiffFilesWithTolerance(const sys::PathWithStatus &FileA,
     return 1;
   }
 
-  // Now its safe to mmap the files into memory becasue both files
+  // Now its safe to mmap the files into memory because both files
   // have a non-zero size.
   error_code ec;
   OwningPtr<MemoryBuffer> F1;
diff --git a/lib/Support/PrettyStackTrace.cpp b/lib/Support/PrettyStackTrace.cpp
index a9f4709e4b..082b7012eb 100644
--- a/lib/Support/PrettyStackTrace.cpp
+++ b/lib/Support/PrettyStackTrace.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // This file defines some helpful functions for dealing with the possibility of
-// Unix signals occuring while your program is running.
+// Unix signals occurring while your program is running.
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Support/Signals.cpp b/lib/Support/Signals.cpp
index a3af37d5fe..a11789372d 100644
--- a/lib/Support/Signals.cpp
+++ b/lib/Support/Signals.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // This file defines some helpful functions for dealing with the possibility of
-// Unix signals occuring while your program is running.
+// Unix signals occurring while your program is running.
 //
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Support/StringRef.cpp b/lib/Support/StringRef.cpp
index 5398051964..8c3fc094cd 100644
--- a/lib/Support/StringRef.cpp
+++ b/lib/Support/StringRef.cpp
@@ -131,7 +131,7 @@ unsigned StringRef::edit_distance(llvm::StringRef Other,
 
 /// find - Search for the first string \arg Str in the string.
 ///
-/// \return - The index of the first occurence of \arg Str, or npos if not
+/// \return - The index of the first occurrence of \arg Str, or npos if not
 /// found.
 size_t StringRef::find(StringRef Str, size_t From) const {
   size_t N = Str.size();
@@ -145,7 +145,7 @@ size_t StringRef::find(StringRef Str, size_t From) const {
 
 /// rfind - Search for the last string \arg Str in the string.
 ///
-/// \return - The index of the last occurence of \arg Str, or npos if not
+/// \return - The index of the last occurrence of \arg Str, or npos if not
 /// found.
 size_t StringRef::rfind(StringRef Str) const {
   size_t N = Str.size();
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index 6efc8cd5e4..9f0a9ef052 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -236,7 +236,7 @@ Program::Execute(const Path &path, const char **args, const char **envp,
   // Create a child process.
   int child = fork();
   switch (child) {
-    // An error occured:  Return to the caller.
+    // An error occurred:  Return to the caller.
     case -1:
       MakeErrMsg(ErrMsg, "Couldn't fork");
       return false;
diff --git a/lib/Support/Unix/Signals.inc b/lib/Support/Unix/Signals.inc
index 0a61759155..fade9069ba 100644
--- a/lib/Support/Unix/Signals.inc
+++ b/lib/Support/Unix/Signals.inc
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // This file defines some helpful functions for dealing with the possibility of
-// Unix signals occuring while your program is running.
+// Unix signals occurring while your program is running.
 //
 //===----------------------------------------------------------------------===//