diff --git a/llvm/docs/Vectorizers.rst b/llvm/docs/Vectorizers.rst --- a/llvm/docs/Vectorizers.rst +++ b/llvm/docs/Vectorizers.rst @@ -418,8 +418,10 @@ .. code-block:: c++ void foo(int a1, int a2, int b1, int b2, int *A) { - A[0] = a1*(a1 + b1)/b1 + 50*b1/a1; - A[1] = a2*(a2 + b2)/b2 + 50*b2/a2; + A[0] = a1*(a1 + b1); + A[1] = a2*(a2 + b2); + A[2] = a1*(a1 + b1); + A[3] = a2*(a2 + b2); } The SLP-vectorizer processes the code bottom-up, across basic blocks, in search of scalars to combine.