Remove unreachable code in Clang. (replace with llvm_unreachable where appropriate or when GCC requires it)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148292 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 0 insertions, 10 deletions

diff --git a/lib/Lex/HeaderSearch.cpp b/lib/Lex/HeaderSearch.cpp
index 6d2d72fc22..7af7c93b7b 100644
--- a/lib/Lex/HeaderSearch.cpp
+++ b/lib/Lex/HeaderSearch.cpp
@@ -799,8 +799,6 @@ bool HeaderSearch::hasModuleMap(StringRef FileName,
     // having module maps if we eventually do find a module map.
     FixUpDirectories.push_back(Dir);
   } while (true);
-  
-  return false;
 }
 
 Module *HeaderSearch::findModuleForHeader(const FileEntry *File) {
diff --git a/lib/Lex/ModuleMap.cpp b/lib/Lex/ModuleMap.cpp
index 745ebc4d8b..08a1e23d10 100644
--- a/lib/Lex/ModuleMap.cpp
+++ b/lib/Lex/ModuleMap.cpp
@@ -1263,8 +1263,6 @@ bool ModuleMapParser::parseModuleMapFile() {
       break;
     }
   } while (true);
-  
-  return HadError;
 }
 
 bool ModuleMap::parseModuleMapFile(const FileEntry *File) {
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 4379b6bad1..76955604b0 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -1370,7 +1370,6 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
         
     default:
       llvm_unreachable("unknown include directive kind");
-      break;
     }
 
     // Determine whether we are actually building the module that this
diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index 20f624a0bb..4ce48e003c 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -703,8 +703,6 @@ static bool EvaluateDirectiveSubExpr(PPValue &LHS, unsigned MinPrec,
     LHS.Val = Res;
     LHS.setEnd(RHS.getRange().getEnd());
   }
-
-  return false;
 }
 
 /// EvaluateDirectiveExpression - Evaluate an integer constant expression that
diff --git a/lib/Lex/PreprocessingRecord.cpp b/lib/Lex/PreprocessingRecord.cpp
index 770a69d19b..6c36e73ad3 100644
--- a/lib/Lex/PreprocessingRecord.cpp
+++ b/lib/Lex/PreprocessingRecord.cpp
@@ -390,7 +390,6 @@ void PreprocessingRecord::InclusionDirective(
     
   default:
     llvm_unreachable("Unknown include directive kind");
-    return;
   }
   
   clang::InclusionDirective *ID
diff --git a/lib/Lex/TokenConcatenation.cpp b/lib/Lex/TokenConcatenation.cpp
index dc6d686d6c..335d864f3f 100644
--- a/lib/Lex/TokenConcatenation.cpp
+++ b/lib/Lex/TokenConcatenation.cpp
@@ -179,11 +179,9 @@ bool TokenConcatenation::AvoidConcat(const Token &PrevPrevTok,
   switch (PrevKind) {
   default:
     llvm_unreachable("InitAvoidConcatTokenInfo built wrong");
-    return true;
 
   case tok::raw_identifier:
     llvm_unreachable("tok::raw_identifier in non-raw lexing mode!");
-    return true;
 
   case tok::identifier:   // id+id or id+number or id+L"foo".
     // id+'.'... will not append.