def test_fptosi_to
    different_type_assertion(:fp2si, LLVM::Double(-123.3), LLVM::Int32, :integer, -123)
    different_type_assertion(:fp2si, LLVM::Double(0.7), LLVM::Int32, :integer, 0)
    different_type_assertion(:fp2si, LLVM::Double(1.7), LLVM::Int32, :integer, 1)