Added LLVM_FALLTHROUGH to address warning: this statement may fall through. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@304645 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index a7b5fa7dfd29a78c4b7a8a1461475777f5fbd277..e92672a785daf121fa92f28ba98e5fa989d0735c 100644 (file)
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -1727,6 +1727,7 @@ CompilerInstance::loadModule(SourceLocation ImportLoc,
                                 diag::warn_module_config_mismatch)
             << ModuleFileName;
       // Fall through to error out.
+      LLVM_FALLTHROUGH;
     case ASTReader::VersionMismatch:
     case ASTReader::HadErrors:
       ModuleLoader::HadFatalFailure = true;

diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index d50fb6d788a4d5f5d86ab8a13f4a52d05ca27eb8..1d7c8a0c871bd69615065ccee3423947fcc771cf 100644 (file)
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -221,6 +221,7 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
     case llvm::Triple::Win32:
       if (triple.getEnvironment() != llvm::Triple::Cygnus)
         break;
+      LLVM_FALLTHROUGH;
     default:
       // FIXME: temporary hack: hard-coded paths.
       AddPath("/usr/local/include", System, false);
@@ -343,6 +344,7 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
     AddPath(BaseSDKPath + "/target/include", System, false);
     if (triple.isPS4CPU())
       AddPath(BaseSDKPath + "/target/include_common", System, false);
+    LLVM_FALLTHROUGH;
   }
   default:
     AddPath("/usr/include", ExternCSystem, false);

diff --git a/lib/Frontend/SerializedDiagnosticReader.cpp b/lib/Frontend/SerializedDiagnosticReader.cpp
index c4461d452e7b4627678308ac3fa19e4c49ef477c..8a8161488f44796003d9b63fa11ad17e04d3e430 100644 (file)
--- a/lib/Frontend/SerializedDiagnosticReader.cpp
+++ b/lib/Frontend/SerializedDiagnosticReader.cpp
@@ -125,6 +125,7 @@ SerializedDiagnosticReader::readMetaBlock(llvm::BitstreamCursor &Stream) {
     case Cursor::BlockBegin:
       if (Stream.SkipBlock())
         return SDError::MalformedMetadataBlock;
+      LLVM_FALLTHROUGH;
     case Cursor::BlockEnd:
       if (!VersionChecked)
         return SDError::MissingVersion;