diff options
author | Ted Kremenek <kremenek@apple.com> | 2011-04-27 05:34:09 +0000 |
---|---|---|
committer | Ted Kremenek <kremenek@apple.com> | 2011-04-27 05:34:09 +0000 |
commit | 6b4f567109d76ce1f1de289554e35f2a7bbeff6b (patch) | |
tree | 954e6451d519cc277d7da2769edbea380ba0a0db /lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp | |
parent | eeeb2a25505d304b354fcfa3b8361e546387bc1b (diff) |
Allow 'Environment::getSVal()' to allow an optional way for checkers to do a direct lookup to values bound to expressions, without
resulting to lazy logic. This is critical for the OSAtomicChecker that does a simulated load on any arbitrary expression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130292 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp b/lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp index 6a4f1926f0..7262bc3640 100644 --- a/lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp +++ b/lib/StaticAnalyzer/Checkers/OSAtomicChecker.cpp @@ -127,7 +127,12 @@ bool OSAtomicChecker::evalOSAtomicCompareAndSwap(CheckerContext &C, ExplodedNode *N = *I; const GRState *stateLoad = N->getState(); - SVal theValueVal_untested = stateLoad->getSVal(theValueExpr); + + // Use direct bindings from the environment since we are forcing a load + // from a location that the Environment would typically not be used + // to bind a value. + SVal theValueVal_untested = stateLoad->getSVal(theValueExpr, true); + SVal oldValueVal_untested = stateLoad->getSVal(oldValueExpr); // FIXME: Issue an error. |