Resubmit [analyzer] Support for naive cross translation unit analysis

Originally submitted as r326323 and r326324.
Reverted in r326432.

Reverting the commit was a mistake.
The breakage was due to invalid build files in our internal buildsystem,
CMakeLists did not have any cyclic dependencies.

llvm-svn: 326439

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp b/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
index dcc5de42d5c..8063e11c218 100644
--- a/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
+++ b/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
@@ -433,3 +433,26 @@ bool AnalyzerOptions::shouldDisplayNotesAsEvents() {
         getBooleanOption("notes-as-events", /*Default=*/false);
   return DisplayNotesAsEvents.getValue();
 }
+
+StringRef AnalyzerOptions::getCTUDir() {
+  if (!CTUDir.hasValue()) {
+    CTUDir = getOptionAsString("ctu-dir", "");
+    if (!llvm::sys::fs::is_directory(*CTUDir))
+      CTUDir = "";
+  }
+  return CTUDir.getValue();
+}
+
+bool AnalyzerOptions::naiveCTUEnabled() {
+  if (!NaiveCTU.hasValue()) {
+    NaiveCTU = getBooleanOption("experimental-enable-naive-ctu-analysis",
+                                /*Default=*/false);
+  }
+  return NaiveCTU.getValue();
+}
+
+StringRef AnalyzerOptions::getCTUIndexName() {
+  if (!CTUIndexName.hasValue())
+    CTUIndexName = getOptionAsString("ctu-index-name", "externalFnMap.txt");
+  return CTUIndexName.getValue();
+}