[analyzer] Delete SMTContext. NFC.

Summary: There is no reason to have a base class for a context anymore as each SMT object carries a reference to the specific solver context.

Reviewers: NoQ, george.karpenkov, hiraditya

Reviewed By: hiraditya

Subscribers: hiraditya, xazax.hun, szepet, a.sidorin, Szelethus

Differential Revision: https://reviews.llvm.org/D50768

llvm-svn: 340532

2 files changed, 2 insertions, 34 deletions

diff --git a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTContext.h b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTContext.h
deleted file mode 100644
index 45c9df4ef40..00000000000
--- a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTContext.h
+++ /dev/null
@@ -1,31 +0,0 @@
-//== SMTContext.h -----------------------------------------------*- 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 SMT generic Context API, which will be the base class
-//  for every SMT solver context specific class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_SMTCONTEXT_H
-#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_SMTCONTEXT_H
-
-namespace clang {
-namespace ento {
-
-/// Generic base class for SMT contexts
-class SMTContext {
-public:
-  SMTContext() = default;
-  virtual ~SMTContext() = default;
-};
-
-} // namespace ento
-} // namespace clang
-
-#endif
diff --git a/clang/lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp b/clang/lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp
index 7379ded49c8..fc936cb0539 100644
--- a/clang/lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp
+++ b/clang/lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp
@@ -11,7 +11,6 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/SMTContext.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/SMTExpr.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/SMTSolver.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/SMTSort.h"
@@ -53,11 +52,11 @@ void Z3ErrorHandler(Z3_context Context, Z3_error_code Error) {
 }
 
 /// Wrapper for Z3 context
-class Z3Context : public SMTContext {
+class Z3Context {
 public:
   Z3_context Context;
 
-  Z3Context() : SMTContext() {
+  Z3Context() {
     Context = Z3_mk_context_rc(Z3Config().Config);
     // The error function is set here because the context is the first object
     // created by the backend