From 2298981669bf3bd63335a4be179bc0f96823a8f4 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 20 Aug 2019 20:50:49 +0000
Subject: Vendor import of stripped clang trunk r366426 (just before the
 release_90 branch point):

https://llvm.org/svn/llvm-project/cfe/trunk@366426
---
 lib/StaticAnalyzer/Checkers/DebugCheckers.cpp | 129 ++++++++++++++++++++++++--
 1 file changed, 122 insertions(+), 7 deletions(-)

(limited to 'lib/StaticAnalyzer/Checkers/DebugCheckers.cpp')

diff --git a/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp b/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
index 90b1111aff0f..bb9e8110b647 100644
--- a/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
+++ b/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
@@ -1,9 +1,8 @@
 //==- DebugCheckers.cpp - Debugging Checkers ---------------------*- C++ -*-==//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -36,9 +35,9 @@ public:
   void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
                         BugReporter &BR) const {
     if (AnalysisDeclContext *AC = mgr.getAnalysisDeclContext(D)) {
-      DominatorTree dom;
-      dom.buildDominatorTree(*AC);
-      dom.dump();
+      CFGDomTree Dom;
+      Dom.buildDominatorTree(AC->getCFG());
+      Dom.dump();
     }
   }
 };
@@ -48,6 +47,61 @@ void ento::registerDominatorsTreeDumper(CheckerManager &mgr) {
   mgr.registerChecker<DominatorsTreeDumper>();
 }
 
+bool ento::shouldRegisterDominatorsTreeDumper(const LangOptions &LO) {
+  return true;
+}
+
+//===----------------------------------------------------------------------===//
+// PostDominatorsTreeDumper
+//===----------------------------------------------------------------------===//
+
+namespace {
+class PostDominatorsTreeDumper : public Checker<check::ASTCodeBody> {
+public:
+  void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
+                        BugReporter &BR) const {
+    if (AnalysisDeclContext *AC = mgr.getAnalysisDeclContext(D)) {
+      CFGPostDomTree Dom;
+      Dom.buildDominatorTree(AC->getCFG());
+      Dom.dump();
+    }
+  }
+};
+}
+
+void ento::registerPostDominatorsTreeDumper(CheckerManager &mgr) {
+  mgr.registerChecker<PostDominatorsTreeDumper>();
+}
+
+bool ento::shouldRegisterPostDominatorsTreeDumper(const LangOptions &LO) {
+  return true;
+}
+
+//===----------------------------------------------------------------------===//
+// ControlDependencyTreeDumper
+//===----------------------------------------------------------------------===//
+
+namespace {
+class ControlDependencyTreeDumper : public Checker<check::ASTCodeBody> {
+public:
+  void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
+                        BugReporter &BR) const {
+    if (AnalysisDeclContext *AC = mgr.getAnalysisDeclContext(D)) {
+      ControlDependencyCalculator Dom(AC->getCFG());
+      Dom.dump();
+    }
+  }
+};
+}
+
+void ento::registerControlDependencyTreeDumper(CheckerManager &mgr) {
+  mgr.registerChecker<ControlDependencyTreeDumper>();
+}
+
+bool ento::shouldRegisterControlDependencyTreeDumper(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // LiveVariablesDumper
 //===----------------------------------------------------------------------===//
@@ -68,6 +122,10 @@ void ento::registerLiveVariablesDumper(CheckerManager &mgr) {
   mgr.registerChecker<LiveVariablesDumper>();
 }
 
+bool ento::shouldRegisterLiveVariablesDumper(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // LiveStatementsDumper
 //===----------------------------------------------------------------------===//
@@ -87,6 +145,10 @@ void ento::registerLiveStatementsDumper(CheckerManager &mgr) {
   mgr.registerChecker<LiveStatementsDumper>();
 }
 
+bool ento::shouldRegisterLiveStatementsDumper(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // CFGViewer
 //===----------------------------------------------------------------------===//
@@ -107,6 +169,10 @@ void ento::registerCFGViewer(CheckerManager &mgr) {
   mgr.registerChecker<CFGViewer>();
 }
 
+bool ento::shouldRegisterCFGViewer(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // CFGDumper
 //===----------------------------------------------------------------------===//
@@ -133,6 +199,10 @@ void ento::registerCFGDumper(CheckerManager &mgr) {
   mgr.registerChecker<CFGDumper>();
 }
 
+bool ento::shouldRegisterCFGDumper(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // CallGraphViewer
 //===----------------------------------------------------------------------===//
@@ -153,6 +223,10 @@ void ento::registerCallGraphViewer(CheckerManager &mgr) {
   mgr.registerChecker<CallGraphViewer>();
 }
 
+bool ento::shouldRegisterCallGraphViewer(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // CallGraphDumper
 //===----------------------------------------------------------------------===//
@@ -173,6 +247,9 @@ void ento::registerCallGraphDumper(CheckerManager &mgr) {
   mgr.registerChecker<CallGraphDumper>();
 }
 
+bool ento::shouldRegisterCallGraphDumper(const LangOptions &LO) {
+  return true;
+}
 
 //===----------------------------------------------------------------------===//
 // ConfigDumper
@@ -214,6 +291,10 @@ void ento::registerConfigDumper(CheckerManager &mgr) {
   mgr.registerChecker<ConfigDumper>();
 }
 
+bool ento::shouldRegisterConfigDumper(const LangOptions &LO) {
+  return true;
+}
+
 //===----------------------------------------------------------------------===//
 // ExplodedGraph Viewer
 //===----------------------------------------------------------------------===//
@@ -233,3 +314,37 @@ void ento::registerExplodedGraphViewer(CheckerManager &mgr) {
   mgr.registerChecker<ExplodedGraphViewer>();
 }
 
+bool ento::shouldRegisterExplodedGraphViewer(const LangOptions &LO) {
+  return true;
+}
+
+//===----------------------------------------------------------------------===//
+// Emits a report for every Stmt that the analyzer visits.
+//===----------------------------------------------------------------------===//
+
+namespace {
+
+class ReportStmts : public Checker<check::PreStmt<Stmt>> {
+  BuiltinBug BT_stmtLoc{this, "Statement"};
+
+public:
+  void checkPreStmt(const Stmt *S, CheckerContext &C) const {
+    ExplodedNode *Node = C.generateNonFatalErrorNode();
+    if (!Node)
+      return;
+
+    auto Report = llvm::make_unique<BugReport>(BT_stmtLoc, "Statement", Node);
+
+    C.emitReport(std::move(Report));
+  }
+};
+
+} // end of anonymous namespace
+
+void ento::registerReportStmts(CheckerManager &mgr) {
+  mgr.registerChecker<ReportStmts>();
+}
+
+bool ento::shouldRegisterReportStmts(const LangOptions &LO) {
+  return true;
+}
-- 
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