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-rw-r--r--contrib/llvm/tools/clang/lib/Checker/CallInliner.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Checker/CallInliner.cpp b/contrib/llvm/tools/clang/lib/Checker/CallInliner.cpp
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+++ b/contrib/llvm/tools/clang/lib/Checker/CallInliner.cpp
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+//===--- CallInliner.cpp - Transfer function that inlines callee ----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the callee inlining transfer function.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Checker/PathSensitive/CheckerVisitor.h"
+#include "clang/Checker/PathSensitive/GRState.h"
+#include "clang/Checker/Checkers/LocalCheckers.h"
+
+using namespace clang;
+
+namespace {
+class CallInliner : public Checker {
+public:
+ static void *getTag() {
+ static int x;
+ return &x;
+ }
+
+ virtual bool EvalCallExpr(CheckerContext &C, const CallExpr *CE);
+};
+}
+
+void clang::RegisterCallInliner(GRExprEngine &Eng) {
+ Eng.registerCheck(new CallInliner());
+}
+
+bool CallInliner::EvalCallExpr(CheckerContext &C, const CallExpr *CE) {
+ const GRState *state = C.getState();
+ const Expr *Callee = CE->getCallee();
+ SVal L = state->getSVal(Callee);
+
+ const FunctionDecl *FD = L.getAsFunctionDecl();
+ if (!FD)
+ return false;
+
+ if (!FD->getBody(FD))
+ return false;
+
+ // Now we have the definition of the callee, create a CallEnter node.
+ CallEnter Loc(CE, FD, C.getPredecessor()->getLocationContext());
+ C.addTransition(state, Loc);
+
+ return true;
+}
+
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