diff options
-rw-r--r-- | lib/Target/TargetData.cpp | 4 | ||||
-rw-r--r-- | test/CodeGen/Generic/crash.ll | 8 |
2 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp index abee2e1..d89fafd 100644 --- a/lib/Target/TargetData.cpp +++ b/lib/Target/TargetData.cpp @@ -630,8 +630,8 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy, Value* const* Indices, Ty = cast<SequentialType>(Ty)->getElementType(); // Get the array index and the size of each array element. - int64_t arrayIdx = cast<ConstantInt>(Indices[CurIDX])->getSExtValue(); - Result += arrayIdx * (int64_t)getTypeAllocSize(Ty); + if (int64_t arrayIdx = cast<ConstantInt>(Indices[CurIDX])->getSExtValue()) + Result += arrayIdx * (int64_t)getTypeAllocSize(Ty); } } diff --git a/test/CodeGen/Generic/crash.ll b/test/CodeGen/Generic/crash.ll new file mode 100644 index 0000000..7218565 --- /dev/null +++ b/test/CodeGen/Generic/crash.ll @@ -0,0 +1,8 @@ +; RUN: llc %s -o - + +; PR6332 +%struct.AVCodecTag = type opaque +@ff_codec_bmp_tags = external global [0 x %struct.AVCodecTag] +@tags = global [1 x %struct.AVCodecTag*] [%struct.AVCodecTag* getelementptr +inbounds ([0 x %struct.AVCodecTag]* @ff_codec_bmp_tags, i32 0, i32 0)] + |