diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-09-02 05:35:45 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-09-02 05:35:45 +0000 |
| commit | f19f9347b85279100f7d549154e37b6d726c3c94 (patch) | |
| tree | db74b60eface483db794885f33c201e27dd71948 /lib/Analysis/ConstantFolding.cpp | |
| parent | 9e17b632ec7fdd150a2f08ed4b661011ed47dcfa (diff) | |
fix PR4848 an infinite loop when indexing down through a recursive gep
and we get the original pointer type. This doesn't mean that we're
at the first pointer being indexed. Correct the predicate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80762 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 5dcb021acf..109eaad458 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -172,7 +172,7 @@ static Constant *SymbolicallyEvaluateGEP(Constant* const* Ops, unsigned NumOps, do { if (const SequentialType *ATy = dyn_cast<SequentialType>(Ty)) { // The only pointer indexing we'll do is on the first index of the GEP. - if (isa<PointerType>(ATy) && ATy != Ptr->getType()) + if (isa<PointerType>(ATy) && !NewIdxs.empty()) break; // Determine which element of the array the offset points into. APInt ElemSize(BitWidth, TD->getTypeAllocSize(ATy->getElementType())); |