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-rw-r--r--clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp1
-rw-r--r--clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp1
2 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
index bbf3215e4db..47faf699f9f 100644
--- a/clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
@@ -69,6 +69,7 @@ static bool isLeftShiftResultUnrepresentable(const BinaryOperator *B,
ProgramStateRef State = C.getState();
const llvm::APSInt *LHS = SB.getKnownValue(State, C.getSVal(B->getLHS()));
const llvm::APSInt *RHS = SB.getKnownValue(State, C.getSVal(B->getRHS()));
+ assert(LHS && RHS && "Values unknown, inconsistent state");
return (unsigned)RHS->getZExtValue() > LHS->countLeadingZeros();
}
diff --git a/clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp b/clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp
index 00cf067d31b..36a0f4e6d8c 100644
--- a/clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp
+++ b/clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp
@@ -1201,6 +1201,7 @@ SVal SimpleSValBuilder::evalBinOpLN(ProgramStateRef state,
const llvm::APSInt *SimpleSValBuilder::getKnownValue(ProgramStateRef state,
SVal V) {
+ V = simplifySVal(state, V);
if (V.isUnknownOrUndef())
return nullptr;
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