Replace a few more "fall through" comments with LLVM_FALLTHROUGH

Follow up to r278902. I had missed "fall through", with a space.

llvm-svn: 278970

3 files changed, 9 insertions, 9 deletions

diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index 102bc909889..551cdefcbe4 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -1228,7 +1228,7 @@ bool CommandLineParser::ParseCommandLineOptions(int argc,
         switch (PositionalOpts[i]->getNumOccurrencesFlag()) {
         case cl::Optional:
           Done = true; // Optional arguments want _at most_ one value
-        // FALL THROUGH
+          LLVM_FALLTHROUGH;
         case cl::ZeroOrMore: // Zero or more will take all they can get...
         case cl::OneOrMore:  // One or more will take all they can get...
           ProvidePositionalOption(PositionalOpts[i],
@@ -1282,7 +1282,7 @@ bool CommandLineParser::ParseCommandLineOptions(int argc,
         Opt.second->error("must be specified at least once!");
         ErrorParsing = true;
       }
-    // Fall through
+      LLVM_FALLTHROUGH;
     default:
       break;
     }
@@ -1337,7 +1337,7 @@ bool Option::addOccurrence(unsigned pos, StringRef ArgName, StringRef Value,
   case Required:
     if (NumOccurrences > 1)
       return error("must occur exactly one time!", ArgName);
-  // Fall through
+    LLVM_FALLTHROUGH;
   case OneOrMore:
   case ZeroOrMore:
   case ConsumeAfter:
diff --git a/llvm/lib/Support/FoldingSet.cpp b/llvm/lib/Support/FoldingSet.cpp
index 52baf865d83..a27d3174a4f 100644
--- a/llvm/lib/Support/FoldingSet.cpp
+++ b/llvm/lib/Support/FoldingSet.cpp
@@ -127,8 +127,8 @@ void FoldingSetNodeID::AddString(StringRef String) {
   // Pos will have overshot size by 4 - #bytes left over.
   // No need to take endianness into account here - this is always executed.
   switch (Pos - Size) {
-  case 1: V = (V << 8) | (unsigned char)String[Size - 3]; // Fall thru.
-  case 2: V = (V << 8) | (unsigned char)String[Size - 2]; // Fall thru.
+  case 1: V = (V << 8) | (unsigned char)String[Size - 3]; LLVM_FALLTHROUGH;
+  case 2: V = (V << 8) | (unsigned char)String[Size - 2]; LLVM_FALLTHROUGH;
   case 3: V = (V << 8) | (unsigned char)String[Size - 1]; break;
   default: return; // Nothing left.
   }
diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
index 275fe1d4945..c4a7b145588 100644
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -344,10 +344,10 @@ void raw_ostream::copy_to_buffer(const char *Ptr, size_t Size) {
   // Handle short strings specially, memcpy isn't very good at very short
   // strings.
   switch (Size) {
-  case 4: OutBufCur[3] = Ptr[3]; // FALL THROUGH
-  case 3: OutBufCur[2] = Ptr[2]; // FALL THROUGH
-  case 2: OutBufCur[1] = Ptr[1]; // FALL THROUGH
-  case 1: OutBufCur[0] = Ptr[0]; // FALL THROUGH
+  case 4: OutBufCur[3] = Ptr[3]; LLVM_FALLTHROUGH;
+  case 3: OutBufCur[2] = Ptr[2]; LLVM_FALLTHROUGH;
+  case 2: OutBufCur[1] = Ptr[1]; LLVM_FALLTHROUGH;
+  case 1: OutBufCur[0] = Ptr[0]; LLVM_FALLTHROUGH;
   case 0: break;
   default:
     memcpy(OutBufCur, Ptr, Size);