diff options
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp index 85912695ab5..87f73ff24c4 100644 --- a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp +++ b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp @@ -2712,6 +2712,8 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> { // Get an X86_MMX-sized vector type. Type *getMMXVectorTy(unsigned EltSizeInBits) { const unsigned X86_MMXSizeInBits = 64; + assert(EltSizeInBits != 0 && (X86_MMXSizeInBits % EltSizeInBits) == 0 && + "Illegal MMX vector element size"); return VectorType::get(IntegerType::get(*MS.C, EltSizeInBits), X86_MMXSizeInBits / EltSizeInBits); } |
