[analyzer] Record the basic blocks covered by the analyzes run.

Store this info inside the function summary generated for all analyzed
functions. This is useful for coverage stats and can be helpful for
analyzer state space search strategies.

llvm-svn: 153923

1 files changed, 38 insertions, 0 deletions

diff --git a/clang/lib/StaticAnalyzer/Core/FunctionSummary.cpp b/clang/lib/StaticAnalyzer/Core/FunctionSummary.cpp
new file mode 100644
index 00000000000..c227aac2b4c
--- /dev/null
+++ b/clang/lib/StaticAnalyzer/Core/FunctionSummary.cpp
@@ -0,0 +1,38 @@
+//== FunctionSummary.h - Stores summaries of functions. ------------*- C++ -*-//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a summary of a function gathered/used by static analyzes.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/StaticAnalyzer/Core/PathSensitive/FunctionSummary.h"
+using namespace clang;
+using namespace ento;
+
+FunctionSummariesTy::~FunctionSummariesTy() {
+  for (MapTy::iterator I = Map.begin(), E = Map.end(); I != E; ++I) {
+    delete(I->second);
+  }
+}
+
+unsigned FunctionSummariesTy::getTotalNumBasicBlocks() {
+  unsigned Total = 0;
+  for (MapTy::iterator I = Map.begin(), E = Map.end(); I != E; ++I) {
+    Total += I->second->TotalBasicBlocks;
+  }
+  return Total;
+}
+
+unsigned FunctionSummariesTy::getTotalNumVisitedBasicBlocks() {
+  unsigned Total = 0;
+  for (MapTy::iterator I = Map.begin(), E = Map.end(); I != E; ++I) {
+    Total += I->second->VisitedBasicBlocks.count();
+  }
+  return Total;
+}