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An expression is not foldable if it can't be fully evaluated. Fixes PR3060

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llvm-svn: 59887
This commit is contained in:
Anders Carlsson
2008-11-22 22:32:07 +00:00
parent 9ac535162b
commit 4046e65b27
1 changed files with 4 additions and 2 deletions
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6
clang/lib/CodeGen/CodeGenFunction.cpp
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@@ -197,8 +197,10 @@ int CodeGenFunction::ConstantFoldsToSimpleInteger(const Expr *Cond) {
// FIXME: Rename and handle conversion of other evaluatable things
// to bool.
if (!Cond->Evaluate(V, getContext()) || !V.isInt())
return 0; // Not foldable or not integer.
bool isEvaluated;
if (!Cond->Evaluate(V, getContext(), &isEvaluated) || !V.isInt() ||
!isEvaluated)
return 0; // Not foldable, not integer or not fully evaluatable.
if (CodeGenFunction::ContainsLabel(Cond))
return 0; // Contains a label.