3 files changed, 13 insertions, 19 deletions
diff --git a/lib/Checker/AnalysisConsumer.cpp b/lib/Checker/AnalysisConsumer.cpp
index 52dd068034..52066f14aa 100644
--- a/lib/Checker/AnalysisConsumer.cpp
+++ b/lib/Checker/AnalysisConsumer.cpp
@@ -50,8 +50,8 @@ static ExplodedNode::Auditor* CreateUbiViz();
 static PathDiagnosticClient*
 createPlistHTMLDiagnosticClient(const std::string& prefix,
                                 const Preprocessor &PP) {
-  llvm::sys::Path F(prefix);
-  PathDiagnosticClient *PD = createHTMLDiagnosticClient(F.getDirname(), PP);
+  PathDiagnosticClient *PD =
+    createHTMLDiagnosticClient(llvm::sys::path::parent_path(prefix), PP);
   return createPlistDiagnosticClient(prefix, PP, PD);
 }
 
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index e24ec07771..8340c0f129 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -77,21 +77,16 @@ Driver::Driver(llvm::StringRef _ClangExecutable,
       CCCUseClangCXX = false;
   }
 
-  llvm::sys::Path Executable(ClangExecutable);
-  Name = Executable.getBasename();
-  Dir = Executable.getDirname();
+  Name = llvm::sys::path::stem(ClangExecutable);
+  Dir  = llvm::sys::path::parent_path(ClangExecutable);
 
   // Compute the path to the resource directory.
   llvm::StringRef ClangResourceDir(CLANG_RESOURCE_DIR);
-  llvm::sys::Path P(Dir);
-  if (ClangResourceDir != "") {
-    P.appendComponent(ClangResourceDir);
-  } else {
-    P.appendComponent(".."); // Walk up from a 'bin' subdirectory.
-    P.appendComponent("lib");
-    P.appendComponent("clang");
-    P.appendComponent(CLANG_VERSION_STRING);
-  }
+  llvm::SmallString<128> P(Dir);
+  if (ClangResourceDir != "")
+    llvm::sys::path::append(P, ClangResourceDir);
+  else
+    llvm::sys::path::append(P, "..", "lib", "clang", CLANG_VERSION_STRING);
   ResourceDir = P.str();
 }
 
diff --git a/lib/Rewrite/FrontendActions.cpp b/lib/Rewrite/FrontendActions.cpp
index ec99ace18a..33e79edaf9 100644
--- a/lib/Rewrite/FrontendActions.cpp
+++ b/lib/Rewrite/FrontendActions.cpp
@@ -58,11 +58,10 @@ public:
   }
 
   std::string RewriteFilename(const std::string &Filename) {
-    llvm::sys::Path Path(Filename);
-    std::string Suffix = Path.getSuffix();
-    Path.eraseSuffix();
-    Path.appendSuffix(NewSuffix + "." + Suffix);
-    return Path.c_str();
+    llvm::SmallString<128> Path(Filename);
+    llvm::sys::path::replace_extension(Path,
+      NewSuffix + llvm::sys::path::extension(Path));
+    return Path.str();
   }
 };
 } // end anonymous namespace