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| author | Chris Lattner <sabre@nondot.org> | 2003-06-23 17:36:49 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-06-23 17:36:49 +0000 |
| commit | 8a334a4035ecbfcbba7f0e8613c352349be65271 (patch) | |
| tree | c904ff3a786683b555256586c27f99eae46784c9 | |
| parent | 80544444a300fa374a8a46d06d1f910b9da5516c (diff) | |
| download | external_llvm-8a334a4035ecbfcbba7f0e8613c352349be65271.zip external_llvm-8a334a4035ecbfcbba7f0e8613c352349be65271.tar.gz external_llvm-8a334a4035ecbfcbba7f0e8613c352349be65271.tar.bz2 | |
avoid dividing by zero when dealing with zero sized types (like [0 x double])
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6862 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/ExprTypeConvert.cpp | 1 | ||||
| -rw-r--r-- | lib/Transforms/TransformInternals.cpp | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/ExprTypeConvert.cpp b/lib/Transforms/ExprTypeConvert.cpp index b793637..e830bee 100644 --- a/lib/Transforms/ExprTypeConvert.cpp +++ b/lib/Transforms/ExprTypeConvert.cpp @@ -49,6 +49,7 @@ static bool MallocConvertibleToType(MallocInst *MI, const Type *Ty, // Get information about the base datatype being allocated, before & after int ReqTypeSize = TD.getTypeSize(Ty); + if (ReqTypeSize == 0) return false; unsigned OldTypeSize = TD.getTypeSize(MI->getType()->getElementType()); // Must have a scale or offset to analyze it... diff --git a/lib/Transforms/TransformInternals.cpp b/lib/Transforms/TransformInternals.cpp index 7aa5564..c8e5ecc 100644 --- a/lib/Transforms/TransformInternals.cpp +++ b/lib/Transforms/TransformInternals.cpp @@ -119,6 +119,7 @@ const Type *ConvertibleToGEP(const Type *Ty, Value *OffsetVal, if (!ElTy->isSized() || (isa<PointerType>(CompTy) && !Indices.empty())) return 0; // Type is unreasonable... escape! unsigned ElSize = TD.getTypeSize(ElTy); + if (ElSize == 0) return 0; // Avoid division by zero... int64_t ElSizeS = ElSize; // See if the user is indexing into a different cell of this array... |