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Minor bug fix in LiveVariables: don't "kill" decls referenced by a DeclStmt 

that aren't VarDecls.

llvm-svn: 47572
This commit is contained in:
Ted Kremenek 2008-02-25 22:28:54 +00:00
parent 8c7a9228de
commit 7845b2607a
1 changed files with 5 additions and 5 deletions
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10
clang/Analysis/LiveVariables.cpp
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@ -156,13 +156,13 @@ void TransferFuncs::VisitAssign(BinaryOperator* B) {
void TransferFuncs::VisitDeclStmt(DeclStmt* DS) { void TransferFuncs::VisitDeclStmt(DeclStmt* DS) {
// Declarations effectively "kill" a variable since they cannot // Declarations effectively "kill" a variable since they cannot
// possibly be live before they are declared. // possibly be live before they are declared.
for (ScopedDecl* D = DS->getDecl(); D != NULL; D = D->getNextDeclarator()) { for (ScopedDecl* D = DS->getDecl(); D != NULL; D = D->getNextDeclarator())
LiveState(D,AD) = Dead; if (VarDecl* VD = dyn_cast<VarDecl>(D)) {
LiveState(D,AD) = Dead;
if (VarDecl* VD = dyn_cast<VarDecl>(D))
if (Expr* Init = VD->getInit()) if (Expr* Init = VD->getInit())
Visit(Init); Visit(Init);
} }
} }
} // end anonymous namespace } // end anonymous namespace